LFXX
Very low drop voltage regulator with inhibit function
Datasheet - production data
Description
Features
Very low-dropout voltage (0.45 V)
Very low quiescent current (typ. 50 µA in
OFF mode, 500 µA in ON mode)
Output current up to 500 mA
Logic-controlled electronic shutdown
Output voltages of 1.5; 1.8; 2.5; 3.3; 4.7; 5;
6; 8; 8.5; 9; 12 V
Automotive grade product: 1.8 V, 2.5 V,
3.3 V, 5.0 V, 8.0 V, 8.5 V VOUT in DPAK and
PPAK packages
Internal current and thermal limit
Only 2.2 µF for stability
Available in ±1% (AB), ±1.5% (AC) or
±2% (C) selection at 25 °C
Supply voltage rejection: 80 db (typ.)
Temperature range: from -40 to 125 °C
May 2017
The LFXX is a very low drop regulator available
in TO-220, TO-220FP, DPAK and PPAK
packages and in a wide range of output voltages.
The low drop voltage (0.45 V) and low quiescent
current make it particularly suitable for low-noise,
low-power applications and especially in batterypowered systems. In the 5 pin configuration
(PPAK) a shutdown logic control function is
available (pin 2, TTL compatible). This means
that when the device is used as a local regulator,
a part of the board can be put in standby,
decreasing the total power consumption. In the
three terminal configuration, the device has the
same electrical performance, but it is fixed in ON
state. It requires a capacitor of only 2.2 µF for
stability, saving board space and costs. The
LFXX is available as automotive grade in DPAK
and PPAK packages, for the options of output
voltages whose commercial part numbers are
shown in the order codes. These devices are
qualified according to the specification
AEC-Q100 of the automotive market, in the
temperature range -40 °C to 125 °C, and the
statistical tests PAT, SYL, SBL are performed.
DocID2574 Rev 31
This is information on a product in full production.
1/53
www.st.com
Contents
LFXX
Contents
1
Diagram ............................................................................................ 3
2
Pin configuration ............................................................................. 4
3
Maximum ratings ............................................................................. 5
4
5
Electrical characteristics ................................................................ 6
Typical performance characteristics ........................................... 33
6
Package information ..................................................................... 38
7
8
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6.1
TO-220 (dual gauge) package information ...................................... 38
6.2
TO-220 (single gauge) package information ................................... 40
6.3
TO-220FP package information ...................................................... 42
6.4
TO-220 packing information ............................................................ 44
6.5
DPAK package information ............................................................. 45
6.6
PPAK package information ............................................................. 47
6.7
PPAK and DPAK packing information ............................................. 49
Ordering information..................................................................... 51
Revision history ............................................................................ 52
DocID2574 Rev 31
LFXX
1
Diagram
Diagram
Figure 1: Block diagram
DocID2574 Rev 31
3/53
Pin configuration
2
LFXX
Pin configuration
Figure 2: Pin connections (top view)
TAB is electrically connected to GND on TO-220, PPAK and DPAK packages.
4/53
DocID2574 Rev 31
LFXX
3
Maximum ratings
Maximum ratings
Table 1: Absolute maximum ratings
Symbol
Parameter
Value
Unit
-0.5 to 40(1)
V
VI
DC input voltage
IO
Output current
Internally limited
A
PTOT
Power dissipation
Internally limited
W
TSTG
Storage temperature range
-40 to 150
°C
TOP
Operating junction temperature range
-40 to 125
°C
Notes:
(1)For
18 < VI < 40 the regulator is in shutdown.
Table 2: Thermal data
Symbol
Parameter
TO-220
TO-220FP
DPAK/PPAK
Unit
RthJC
Thermal resistance junction-case
5
5
8
°C/W
RthJA
Thermal resistance junction-ambient
50
60
100
°C/W
Figure 3: Test circuit
DocID2574 Rev 31
5/53
Electrical characteristics
4
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 3: LF15AB electrical characteristics
Symbol
VO
Parameter
Output voltage
VI
Operating input voltage
IO
Output current limit
Test condition
Min.
Typ.
Max.
IO = 50 mA
VI = 3.5 V
1.485
1.5
1.515
IO = 50 mA
VI = 3.5 V
Ta = -25 to 85 °C
1.470
1.530
2.5
16
Unit
V
IO = 500 mA
1
V
A
∆VO
Line regulation
VI = 2.5 to 16 V
IO = 5 mA
2
10
mV
∆VO
Load regulation
VI = 2.8 V
IO = 5 to 500 mA
2
10
mV
VI = 2.5 to 16 V
IO = 0 mA
0.5
1
Id
Quiescent current
VI = 2.8 to 16 V
IO = 500 mA
VI = 6 V
SVR
Supply voltage rejection
IO = 5 mA
VI = 3.5 ± 1 V
ON mode
mA
12
OFF mode
50
f = 120 Hz
82
f = 1 kHz
77
f = 10 kHz
65
100
µA
dB
eN
Output noise voltage
B = 10 Hz to 100 kHz
50
µV
Vd
Dropout voltage
IO = 200 mA
1
V
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 6 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
II
CO
6/53
DocID2574 Rev 31
0.8
2
2
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 4: LF18AB electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 3.3 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
1.782
1.8
1.818
Unit
V
IO = 50 mA
VI = 3.3 V
Ta = -25 to 85 °C
IO = 500 mA
1.764
1.836
3
16
1
V
A
∆VO
Line regulation
VI = 2.8 to 16 V
IO = 5 mA
2
12
mV
∆VO
Load regulation
VI = 3.3 V
IO = 5 to 500 mA
2
10
mV
VI = 2.5 to 16 V
IO = 0 mA
0.5
1
Id
Quiescent current
VI = 3.1 to 16 V
IO = 500 mA
VI = 6 V
SVR
Supply voltage rejection
IO = 5 mA
VI = 3.5 ± 1 V
ON mode
mA
12
OFF mode
50
f = 120 Hz
82
f = 1 kHz
77
f = 10 kHz
60
100
µA
dB
eN
Output noise voltage
B = 10 Hz to 100 kHz
50
µV
Vd
Dropout voltage
IO = 200 mA
0.7
V
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 6 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
II
CO
DocID2574 Rev 31
0.8
2
2
V
V
10
µA
10
µF
7/53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 5: LF18C electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 3.5 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
1.764
1.8
1.836
Unit
V
IO = 50 mA
VI = 3.5 V
Ta = -25 to 85 °C
IO = 500 mA
1.728
1.872
3
16
1
V
A
∆VO
Line regulation
VI = 2.8 to 16 V
IO = 5 mA
2
12
mV
∆VO
Load regulation
VI = 3.3 V
IO = 5 to 500 mA
2
10
mV
VI = 2.5 to 16 V
IO = 0 mA
0.5
1
Id
Quiescent current
VI = 3.1 to 16 V
IO = 500 mA
VI = 6 V
SVR
Supply voltage rejection
IO = 5 mA
VI = 3.5 ± 1 V
ON mode
mA
12
OFF mode
50
f = 120 Hz
82
f = 1 kHz
77
f = 10 kHz
60
100
µA
dB
eN
Output noise voltage
B = 10 Hz to 100 kHz
50
µV
Vd
Dropout voltage
IO = 200 mA
0.7
V
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 6 V
VC = 6 V
Output bypass capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
II
CO
8/53
DocID2574 Rev 31
0.8
2
2
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise
specified.
Table 6: LF18C (automotive grade) electrical characteristics
Symbol
VO
Parameter
Output voltage
Test condition
Min.
Typ.
Max.
IO = 50 mA
VI = 3.5 V
Ta = 25 °C
1.764
1.8
1.836
IO = 50 mA
VI = 3.5 V
1.713
1.887
3
16
Unit
V
VI
Operating input voltage
IO = 500 mA
IO
Output current limit
Ta = 25 °C
1
∆VO
Line regulation
VI = 2.8 to 16 V
IO = 5 mA
2
15
mV
∆VO
Load regulation
VI = 3.3 V
IO = 5 to 500 mA
2
15
mV
VI = 2.5 to 16 V
IO = 0 mA
0.5
2
Id
Quiescent current
VI = 3.1 to 16 V
IO = 500 mA
A
ON mode
mA
12
VI = 6 V
OFF mode
50
f = 120 Hz
82
Supply voltage rejection
IO = 5 mA
VI = 3.5 ± 1 V
Ta = 25 °C
f = 1 kHz
77
f = 10 kHz
60
eN
Output noise voltage
B = 10 Hz to 100 kHz
Ta = 25 °C
50
Vd
Dropout voltage
IO = 200 mA
0.2
1.3
IO = 500 mA
0.4
1.3
VIL
Control input logic low
VIH
Control input logic high
SVR
II
CO
120
2
VI = 6 V
VC = 6 V
Ta = 25 °C
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
2
µA
dB
µV
0.8
Control input current
V
V
V
V
10
µA
10
µF
9/53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 7: LF25AB electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 4.5 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
2.475
2.5
2.525
Unit
V
IO = 50 mA
VI = 4.5 V
Ta = -25 to 85 °C
2.450
2.550
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 3.5 to 16 V
IO = 5 mA
2
12
mV
∆VO
Load regulation
VI = 3.8 V
IO = 5 to 500 mA
2
12
mV
VI = 3.5 to 16 V
IO = 0 mA
0.5
1
Id
Quiescent current
VI = 3.8 to 16 V
IO = 500 mA
VI = 6 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 4.5 ± 1 V
OFF mode
50
f = 120 Hz
82
f = 1 kHz
77
f = 10 kHz
65
100
50
0.35
IO = 500 mA
0.4
0.7
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 6 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
0.2
VIL
10/53
12
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise
specified.
Table 8: LF25AB (automotive grade) electrical characteristics
Symbol
VO
Parameter
Output voltage
Test condition
Min.
Typ.
Max.
IO = 50 mA
VI = 4.5 V
Ta = 25 °C
2.475
2.5
2.525
IO = 50 mA
VI = 4.5 V
2.435
Unit
V
2.565
VI
Operating input voltage
IO = 500 mA
IO
Output current limit
Ta = 25 °C
1
∆VO
Line regulation
VI = 3.5 to 16 V
IO = 5 mA
2
15
mV
∆VO
Load regulation
VI = 3.8 V
IO = 5 to 500 mA
2
15
mV
VI = 3.5 to 16 V
IO = 0 mA
0.5
2
Id
Quiescent current
VI = 3.8 to 16 V
IO = 500 mA
16
A
ON mode
mA
12
VI = 6 V
OFF mode
50
f = 120 Hz
82
Supply voltage rejection
IO = 5 mA
VI = 4.5 ± 1 V
Ta = 25 °C
f = 1 kHz
77
f = 10 kHz
65
eN
Output noise voltage
B = 10 Hz to 100 kHz
Ta = 25 °C
50
Vd
Dropout voltage
IO = 200 mA
0.2
1.3
IO = 500 mA
0.4
1.3
VIL
Control input logic low
VIH
Control input logic high
SVR
II
CO
120
2
VI = 6 V
VC = 6 V
Ta = 25 °C
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
2
µA
dB
µV
0.8
Control input current
V
V
V
V
10
µA
10
µF
11/53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 9: LF25C electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 4.5 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
2.45
2.5
2.55
Unit
V
IO = 50 mA
VI = 4.5 V
Ta = -25 to 85 °C
2.4
2.6
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 3.5 to 16 V
IO = 5 mA
2
12
mV
∆VO
Load regulation
VI = 3.8 V
IO = 5 to 500 mA
2
12
mV
VI = 3.5 to 16 V
IO = 0 mA
0.5
1
Id
Quiescent current
VI = 3.8 to 16 V
IO = 500 mA
VI = 6 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 4.5 ± 1 V
OFF mode
50
f = 120 Hz
82
f = 1 kHz
77
f = 10 kHz
65
100
50
0.35
IO = 500 mA
0.4
0.7
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 6 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
0.2
VIL
12/53
12
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise
specified.
Table 10: LF25C (automotive grade) electrical characteristics
Symbol
VO
Parameter
Output voltage
Test condition
Min.
Typ.
Max.
IO = 50 mA
VI = 4.5 V
Ta = 25 °C
2.45
2.5
2.55
IO = 50 mA
VI = 4.5 V
2.385
Unit
V
2.615
VI
Operating input voltage
IO = 500 mA
IO
Output current limit
Ta = 25 °C
1
∆VO
Line regulation
VI = 3.5 to 16 V
IO = 5 mA
2
15
mV
∆VO
Load regulation
VI = 3.8 V
IO = 5 to 500 mA
2
15
mV
VI = 3.5 to 16 V
IO = 0 mA
0.5
2
Id
Quiescent current
VI = 3.8 to 16 V
IO = 500 mA
16
A
ON mode
mA
12
VI = 6 V
OFF mode
50
f = 120 Hz
82
Supply voltage rejection
IO = 5 mA
VI = 4.5 ± 1 V
Ta = 25 °C
f = 1 kHz
77
f = 10 kHz
65
eN
Output noise voltage
B = 10 Hz to 100 kHz
Ta = 25 °C
50
Vd
Dropout voltage
IO = 200 mA
0.2
1.3
IO = 500 mA
0.4
1.3
VIL
Control input logic low
VIH
Control input logic high
SVR
II
CO
120
2
VI = 6 V
VC = 6 V
Ta = 25 °C
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
2
µA
dB
µV
0.8
Control input current
V
V
V
V
10
µA
10
µF
13/53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 11: LF33AB electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 5.3 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
3.267
3.3
3.333
Unit
V
IO = 50 mA
VI = 5.3 V
Ta = -25 to 85 °C
3.234
3.366
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 4.3 to 16 V
IO = 5 mA
3
16
mV
∆VO
Load regulation
VI = 4.6 V
IO = 5 to 500 mA
3
16
mV
VI = 4.3 to 16 V
IO = 0 mA
0.5
1
Id
Quiescent current
VI = 4.6 to 16 V
IO = 500 mA
VI = 6 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 5.3 ± 1 V
OFF mode
50
f = 120 Hz
80
f = 1 kHz
75
f = 10 kHz
65
100
50
0.35
IO = 500 mA
0.4
0.7
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 6 V
VC = 6 V
Output bypass capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
0.2
VIL
14/53
12
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 12: LF33C electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 5.3 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
3.234
3.3
3.366
Unit
V
IO = 50 mA
VI = 5.3 V
Ta = -25 to 85 °C
3.168
3.432
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 4.3 to 16 V
IO = 5 mA
3
16
mV
∆VO
Load regulation
VI = 4.6 V
IO = 5 to 500 mA
3
16
mV
VI = 4.3 to 16 V
IO = 0 mA
0.5
1
Id
Quiescent current
VI = 4.6 to 16 V
IO = 500 mA
VI = 6 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 5.3 ± 1 V
12
OFF mode
50
f = 120 Hz
80
f = 1 kHz
75
f = 10 kHz
65
100
50
0.2
0.35
IO = 500 mA
0.4
0.7
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 6 V
VC = 6 V
Output bypass capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
15/53
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise
specified.
LFXX
Table 13: LF33C (automotive grade) electrical characteristics
Symbol
VO
Parameter
Output voltage
Test condition
Min.
Typ.
Max.
IO = 50 mA
VI = 5.3 V
Ta = 25 °C
3.234
3.3
3.366
IO = 50 mA
VI = 5.3 V,
3.153
Unit
V
3.447
VI
Operating input voltage
IO = 500 mA
IO
Output current limit
Ta = 25 °C
1
∆VO
Line regulation
VI = 4.3 to 16 V
IO = 5 mA
3
19
mV
∆VO
Load regulation
VI = 4.6 V
IO = 5 to 500 mA
3
19
mV
VI = 4.3 to 16 V
IO = 0 mA
0.5
2
Id
Quiescent current
VI = 4.6 to 16 V
IO = 500 mA
16
A
ON mode
mA
12
VI = 6 V
OFF mode
50
f = 120 Hz
80
Supply voltage rejection
IO = 5 mA
VI = 5.3 ± 1 V
Ta = 25 °C
f = 1 kHz
75
f = 10 kHz
65
eN
Output noise voltage
B = 10 Hz to 100 kHz
Ta = 25 °C
50
Vd
Dropout voltage
IO = 200 mA
0.2
1.3
IO = 500 mA
0.4
1.3
VIL
Control input logic low
VIH
Control input logic high
SVR
II
CO
16/53
120
2
VI = 6 V
VC = 6 V
Ta = 25 °C
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
2
µA
dB
µV
0.8
Control input current
V
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise
specified.
Table 14: LF50AB electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 7 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
∆VO
Load regulation
VI = 6.3 V
IO = 5 to 500 mA
VI = 6 to 16 V
IO = 0 mA
IO = 5 mA
VI = 7 ± 1 V
eN
Output noise voltage
Vd
Dropout voltage
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 6 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
II
CO
5
5.05
4.9
Unit
5.1
16
V
A
5
25
mV
5
25
mV
0.5
1
ON mode
mA
VI = 6.3 to 16 V
IO = 500 mA
VI = 6 V
Supply voltage rejection
4.95
1
Line regulation
SVR
Max.
IO = 500 mA
∆VO
Quiescent current
Typ.
V
IO = 50 mA
VI = 7 V
Ta = -25 to 85 °C
VI = 6 to 16 V
IO = 5 mA
Id
Min.
12
OFF mode
50
f = 120 Hz
76
f = 1 kHz
71
f = 10 kHz
60
100
dB
B = 10 Hz to 100 kHz
50
IO = 200 mA
0.2
0.35
IO = 500 mA
0.4
0.7
DocID2574 Rev 31
µV
0.8
2
2
µA
V
V
V
10
µA
10
µF
17/53
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise
specified.
LFXX
Table 15: LF50AB (automotive grade) electrical characteristics
Symbol
VO
Parameter
Output voltage
Test condition
Min.
Typ.
Max.
IO = 50 mA
VI = 7 V
Ta = 25 °C
4.95
5
5.05
IO = 50 mA
VI = 7 V
4.885
Unit
V
5.115
VI
Operating input voltage
IO = 500 mA
IO
Output current limit
Ta = 25 °C
1
∆VO
Line regulation
VI = 6 to 16 V
IO = 5 mA
5
28
mV
∆VO
Load regulation
VI = 6.3 V
IO = 5 to 500 mA
5
28
mV
0.5
2
VI = 6 to 16 V
IO = 0 mA
Id
Quiescent current
VI = 6.3 to 16 V
IO = 500 mA
16
A
ON mode
mA
12
VI = 6 V
OFF mode
50
f = 120 Hz
76
Supply voltage rejection
IO = 5 mA
VI = 7 ± 1 V
Ta = 25 °C
f = 1 kHz
71
f = 10 kHz
60
eN
Output noise voltage
B = 10 Hz to 100 kHz
Ta = 25 °C
50
Vd
Dropout voltage
IO = 200 mA
0.2
1.3
IO = 500 mA
0.4
1.3
VIL
Control input logic low
VIH
Control input logic high
SVR
II
CO
18/53
120
2
VI = 6 V
VC = 6 V
Ta = 25 °C
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
2
µA
dB
µV
0.8
Control input current
V
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 16: LF50AC electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 7 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
4.925
5
5.075
Unit
V
IO = 50 mA
VI = 7 V
Ta = -25 to 85 °C
4.875
5.125
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 6 to 16 V
IO = 5 mA
5
25
mV
∆VO
Load regulation
VI = 6.3 V
IO = 5 to 500 mA
5
25
mV
0.5
1
VI = 6 to 16 V
IO = 0 mA
Id
Quiescent current
VI = 6.3 to 16 V
IO = 500 mA
VI = 6 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 7 ± 1 V
12
OFF mode
50
f = 120 Hz
76
f = 1 kHz
71
f = 10 kHz
60
100
50
0.2
0.35
IO = 500 mA
0.4
0.7
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 6 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
19/53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 17: LF50C electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 7 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
4.9
5
5.1
Unit
V
IO = 50 mA
VI = 7 V
Ta = -25 to 85 °C
4.8
5.2
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 6 to 16 V
IO = 5 mA
5
25
mV
∆VO
Load regulation
VI = 6.3 V
IO = 5 to 500 mA
5
25
mV
0.5
1
VI = 6 to 16 V
IO = 0 mA
Id
Quiescent current
VI = 6.3 to 16 V
IO = 500 mA
VI = 6 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 7 ± 1 V
OFF mode
50
f = 120 Hz
76
f = 1 kHz
71
f = 10 kHz
60
100
50
0.35
IO = 500 mA
0.4
0.7
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 6 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
0.2
VIL
20/53
12
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise
specified.
Table 18: LF50C (automotive grade) electrical characteristics
Symbol
VO
Parameter
Output voltage
Test condition
Min.
Typ.
Max.
IO = 50 mA
VI = 7 V
Ta = 25 °C
4.9
5
5.1
IO = 50 mA
VI = 7 V
4.785
Unit
V
5.215
VI
Operating input voltage
IO = 500 mA
IO
Output current limit
Ta = 25 °C
1
∆VO
Line regulation
VI = 6 to 16 V
IO = 5 mA
5
28
mV
∆VO
Load regulation
VI = 6.3 V
IO = 5 to 500 mA
5
28
mV
0.5
2
VI = 6 to 16 V
IO = 0 mA
Id
SVR
Quiescent current
Supply voltage rejection
eN
Output noise voltage
Vd
Dropout voltage
VIL
Control input logic low
VIH
Control input logic high
II
CO
VI = 6.3 to 16 V
IO = 500 mA
16
A
ON mode
mA
12
VI = 6 V
OFF mode
50
IO = 5 mA
VI = 7 ± 1 V
Ta = 25 °C
f = 120 Hz
76
f = 1 kHz
71
f = 10 kHz
60
120
50
IO = 200 mA
0.2
1.3
IO = 500 mA
0.4
1.3
µV
0.8
2
VI = 6 V
VC = 6 V
Ta = 25 °C
Output bypass capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
2
µA
dB
B = 10 Hz to 100 kHz
Ta = 25 °C
Control input current
V
V
V
V
10
µA
10
µF
21/53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 19: LF60AB electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 8 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
5.94
6
6.06
Unit
V
IO = 50 mA
VI = 8 V
Ta = -25 to 85 °C
5.88
6.12
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 7 to 16 V
IO = 5 mA
6
30
mV
∆VO
Load regulation
VI = 7.3 V
IO = 5 to 500 mA
6
30
mV
0.7
1.5
VI = 7 to 16 V
IO = 0 mA
Id
Quiescent current
VI = 7.3 to 16 V
IO = 500 mA
VI = 9 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 8 ± 1 V
OFF mode
70
f = 120 Hz
75
f = 1 kHz
70
f = 10 kHz
60
140
50
0.35
IO = 500 mA
0.4
0.7
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 9 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
0.2
VIL
22/53
12
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 20: LF60C electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 8 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
5.88
6
6.12
Unit
V
IO = 50 mA
VI = 8 V
Ta = -25 to 85 °C
5.76
6.24
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 7 to 16 V
IO = 5 mA
6
30
mV
∆VO
Load regulation
VI = 7.3 V
IO = 5 to 500 mA
6
30
mV
0.7
1.5
VI = 7 to 16 V
IO = 0 mA
Id
Quiescent current
VI = 7.3 to 16 V
IO = 500 mA
VI = 9 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 8 ± 1 V
12
OFF mode
70
f = 120 Hz
75
f = 1 kHz
70
f = 10 kHz
60
140
50
0.2
0.35
IO = 500 mA
0.4
0.7
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 9 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
23/53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 21: LF80AB electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 10 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
7.92
8
8.08
Unit
V
IO = 50 mA
VI = 10 V
Ta = -25 to 85 °C
7.84
8.16
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 9 to 16 V
IO = 5 mA
8
40
mV
∆VO
Load regulation
VI = 9.3 V
IO = 5 to 500 mA
8
40
mV
0.7
1.5
VI = 9 to 16 V
IO = 0 mA
Id
Quiescent current
VI = 9.3 to 16 V
IO = 500 mA
VI = 9 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 10 ± 1 V
ON mode
12
OFF mode
70
f = 120 Hz
72
f = 1 kHz
67
f = 10 kHz
57
50
0.2
0.35
IO = 500 mA
0.4
0.7
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 9 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
24/53
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
IO = 200 mA
Dropout voltage
CO
140
B = 10 Hz to 100 kHz
Vd
II
mA
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 22: LF80C electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 10 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
7.84
8
8.16
Unit
V
IO = 50 mA
VI = 10 V
Ta = -25 to 85 °C
7.68
8.32
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 9 to 16 V
IO = 5 mA
8
40
mV
∆VO
Load regulation
VI = 9.3 V
IO = 5 to 500 mA
8
40
mV
0.7
1.5
VI = 9 to 16 V
IO = 0 mA
Id
Quiescent current
VI = 9.3 to 16 V
IO = 500 mA
VI = 9 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 10 ± 1 V
12
OFF mode
70
f = 120 Hz
72
f = 1 kHz
67
f = 10 kHz
57
140
50
0.2
0.35
IO = 500 mA
0.4
0.7
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 9 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
25/53
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise
specified.
LFXX
Table 23: LF80C (automotive grade) electrical characteristics
Symbol
VO
Parameter
Output voltage
Test condition
Min.
Typ.
Max.
IO = 50 mA
VI = 10 V
Ta = 25 °C
7.84
8
8.16
IO = 50 mA
VI = 10 V
7.665
Unit
V
8.335
VI
Operating input voltage
IO = 500 mA
IO
Output current limit
Ta = 25 °C
1
∆VO
Line regulation
VI = 9 to 16 V
IO = 5 mA
8
44
mV
∆VO
Load regulation
VI = 9.3 V
IO = 5 to 500 mA
8
44
mV
0.7
2.5
VI = 9 to 16 V
IO = 0 mA
Id
Quiescent current
VI = 9.3 to 16 V
IO = 500 mA
16
A
ON mode
mA
12
VI = 9 V
OFF mode
70
f = 120 Hz
72
Supply voltage rejection
IO = 5 mA
VI = 10 ± 1 V
Ta = 25 °C
f = 1 kHz
67
f = 10 kHz
57
eN
Output noise voltage
B = 10 Hz to 100 kHz
Ta = 25 °C
50
Vd
Dropout voltage
IO = 200 mA
0.2
1.3
IO = 500 mA
0.4
1.3
VIL
Control input logic low
VIH
Control input logic high
SVR
II
CO
26/53
160
2
VI = 9 V
VC = 6 V
Ta = 25 °C
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
2
µA
dB
µV
0.8
Control input current
V
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 24: LF85AB electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 10.5 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
8.415
8.5
8.585
Unit
V
IO = 50 mA
VI = 10.5 V
Ta = -25 to 85 °C
8.33
8.67
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 9.5 to 16 V
IO = 5 mA
8
42
mV
∆VO
Load regulation
VI = 9.8 V
IO = 5 to 500 mA
8
42
mV
VI = 9.5 to 16 V
IO = 0 mA
0.7
1.5
Id
Quiescent current
VI = 9.8 to 16 V
IO = 500 mA
VI = 9 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 10.5 ± 1 V
12
OFF mode
70
f = 120 Hz
72
f = 1 kHz
67
f = 10 kHz
57
140
50
0.2
0.35
IO = 500 mA
0.4
0.7
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 9 V
VC = 6 V
Output bypass capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
27/53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 25: LF85C electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 10.5 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
8.33
8.5
8.67
Unit
V
IO = 50 mA
VI = 10.5 V
Ta = -25 to 85 °C
8.16
8.84
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 9.5 to 16 V
IO = 5 mA
8
42
mV
∆VO
Load regulation
VI = 9.8 V
IO = 5 to 500 mA
8
42
mV
VI = 9.5 to 16 V
IO = 0 mA
0.7
1.5
Id
Quiescent current
VI = 9.8 to 16 V
IO= 500 mA
VI = 9 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 10.5 ± 1 V
OFF mode
70
f = 120 Hz
72
f = 1 kHz
67
f = 10 kHz
57
140
50
0.35
IO = 500 mA
0.4
0.7
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 9 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
0.2
VIL
28/53
12
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise
specified.
Table 26: LF85C (automotive grade) electrical characteristics
Symbol
VO
Parameter
Output voltage
Test condition
Min.
Typ.
Max.
IO = 50 mA
VI = 10.5 V
Ta = 25 °C
8.33
8.5
8.67
IO = 50 mA
VI = 10.5 V
8.145
Unit
V
8.855
VI
Operating input voltage
IO = 500 mA
IO
Output current limit
Ta = 25 °C
1
∆VO
Line regulation
VI = 9.5 to 16 V
IO = 5 mA
8
44
mV
∆VO
Load regulation
VI = 9.8 V
IO = 5 to 500 mA
8
44
mV
VI = 9.5 to 16 V
IO = 0 mA
0.7
2.5
Id
Quiescent current
VI = 9.8 to 16 V
IO = 500 mA
16
A
ON mode
mA
12
VI = 9 V
OFF mode
70
f = 120 Hz
72
Supply voltage rejection
IO = 5 mA
VI = 10.5 ± 1 V Ta =
25 °C
f = 1 kHz
67
f = 10 kHz
57
eN
Output noise voltage
B = 10 Hz to 100 kHz
Ta = 25 °C
50
Vd
Dropout voltage
IO = 200 mA
0.2
1.3
IO = 500 mA
0.4
1.3
VIL
Control input logic low
VIH
Control input logic high
SVR
II
CO
160
2
VI = 9 V
VC = 6 V
Ta = 25 °C
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
2
µA
dB
µV
0.8
Control input current
V
V
V
V
10
µA
10
µF
29/53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 27: LF90C electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 11 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
8.82
9
9.18
Unit
V
IO = 50 mA
VI = 11 V
Ta = -25 to 85 °C
8.64
9.36
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 10 to 16 V
IO = 5 mA
9
45
mV
∆VO
Load regulation
VI = 10.3 V
IO = 5 to 500 mA
9
45
mV
0.7
1.5
VI = 10 to 16 V
IO = 0 mA
Id
Quiescent current
VI = 10.3 to 16V
IO = 500 mA
VI = 10 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 11 ± 1 V
OFF mode
70
f = 120 Hz
71
f = 1 kHz
66
f = 10 kHz
56
140
50
0.35
IO = 500 mA
0.4
0.7
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 10 V
VC = 6 V
Output bypass capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
DocID2574 Rev 31
µV
0.8
2
2
µA
dB
0.2
VIL
30/53
12
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 28: LF120AB electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 15 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
11.88
12
12.12
Unit
V
IO = 50 mA
VI = 15 V
Ta = -25 to 85 °C
11.76
12.24
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 13 to 16 V
IO = 5 mA
12
60
mV
∆VO
Load regulation
VI = 13.3 V
IO = 5 to 500 mA
12
60
mV
VI = 13 to 16 V
IO = 0 mA
0.7
1.5
Id
Quiescent current
VI = 13.3 to 16 V
IO = 500 mA
VI = 13 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 14 ± 1 V
12
OFF mode
70
f = 120 Hz
69
f = 1 kHz
64
f = 10 kHz
54
140
50
0.2
0.35
IO = 500 mA
0.4
0.7
VIL
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 13 V
VC = 6 V
Output bypass capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
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µV
0.8
2
2
µA
dB
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
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Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 29: LF120C electrical characteristics
Symbol
Parameter
Test condition
IO = 50 mA
VI = 14 V
VO
Output voltage
VI
Operating input voltage
IO
Output current limit
Min.
Typ.
Max.
11.76
12
12.24
Unit
V
IO = 50 mA
VI = 14 V
Ta = -25 to 85 °C
11.52
12.48
IO = 500 mA
16
1
V
A
∆VO
Line regulation
VI = 13 to 16 V
IO = 5 mA
12
60
mV
∆VO
Load regulation
VI = 13.3 V
IO = 5 to 500 mA
12
60
mV
VI = 13 to 16 V
IO = 0 mA
0.7
1.5
Id
Quiescent current
VI = 13.3 to 16 V
IO = 500 mA
VI = 13 V
SVR
eN
Supply voltage rejection
Output noise voltage
IO = 5 mA
VI = 14 ± 1 V
OFF mode
70
f = 120 Hz
69
f = 1 kHz
64
f = 10 kHz
54
140
50
0.35
IO = 500 mA
0.4
0.7
Control input logic low
Ta = -40 to 125 °C
VIH
Control input logic high
Ta = -40 to 125 °C
Control input current
VI = 13 V
VC = 6 V
Output bypass
capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
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µV
0.8
2
2
µA
dB
0.2
VIL
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12
IO = 200 mA
Dropout voltage
CO
mA
B = 10 Hz to 100 kHz
Vd
II
ON mode
V
V
V
10
µA
10
µF
LFXX
5
Typical performance characteristics
Typical performance characteristics
Figure 4: Dropout voltage vs output current
Figure 5: Dropout voltage vs temperature
Figure 6: Supply current vs input voltage
Figure 7: Supply current vs input voltage (no load)
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Typical performance characteristics
LFXX
Figure 8: Short-circuit current vs input voltage
Figure 9: Supply current vs temperature
Unless otherwise specified VO(NOM) = 3.3 V.
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LFXX
Typical performance characteristics
Figure 10: Logic-controlled precision 3.3/5.0 V selectable output
Figure 11: Sequential multi-output supply
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Typical performance characteristics
LFXX
Figure 12: Multiple supply with ON/OFF toggle switch
Figure 13: Basic inhibit functions
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LFXX
Typical performance characteristics
Figure 14: Delayed turn-on
Figure 15: Low voltage bulb blinker
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Package information
6
LFXX
Package information
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK ®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
6.1
TO-220 (dual gauge) package information
Figure 16: TO-220 (dual gauge) package outline
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DocID2574 Rev 31
LFXX
Package information
Table 30: TO-220 (dual gauge) mechanical data
mm
Dim.
Min.
Typ.
Max.
A
4.40
4.60
b
0.61
0.88
b1
1.14
1.70
c
0.48
0.70
D
15.25
15.75
D1
1.27
E
10
10.40
e
2.40
2.70
e1
4.95
5.15
F
1.23
1.32
H1
6.20
6.60
J1
2.40
2.72
L
13
14
L1
3.50
3.93
L20
16.40
L30
28.90
∅P
3.75
3.85
Q
2.65
2.95
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Package information
6.2
LFXX
TO-220 (single gauge) package information
Figure 17: TO-220 (single gauge) package outline
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LFXX
Package information
Table 31: TO-220 (single gauge) mechanical data
mm
Dim.
Min.
Typ.
Max.
A
4.40
4.60
b
0.61
0.88
b1
1.14
1.70
c
0.48
0.70
D
15.25
15.75
E
10.00
10.40
e
2.40
2.70
e1
4.95
5.15
F
0.51
0.60
H1
6.20
6.60
J1
2.40
2.72
L
13.00
14.00
L1
3.50
3.93
L20
16.40
L30
28.90
∅P
3.75
3.85
Q
2.65
2.95
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Package information
6.3
LFXX
TO-220FP package information
Figure 18: TO-220FP package outline
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LFXX
Package information
Table 32: TO-220FP package mechanical data
mm
Dim.
Min.
Typ.
Max.
A
4.4
4.6
B
2.5
2.7
D
2.5
2.75
E
0.45
0.7
F
0.75
1
F1
1.15
1.70
F2
1.15
1.70
G
4.95
5.2
G1
2.4
2.7
H
10
10.4
L2
16
L3
28.6
30.6
L4
9.8
10.6
L5
2.9
3.6
L6
15.9
16.4
L7
9
9.3
Dia
3
3.2
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Package information
6.4
LFXX
TO-220 packing information
Figure 19: Tube for TO-220 (dual gauge) (mm.)
Figure 20: Tube for TO-220 (single gauge) (mm.)
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LFXX
6.5
Package information
DPAK package information
Figure 21: DPAK package outline
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Package information
LFXX
Table 33: DPAK mechanical data
mm
Dim.
Min.
Typ.
A
2.20
2.40
A1
0.90
1.10
A2
0.03
0.23
b
0.64
0.90
b4
5.20
5.40
c
0.45
0.60
c2
0.48
0.60
D
6.00
6.20
D1
E
5.10
6.40
6.60
E1
4.70
e
2.28
e1
4.40
4.60
H
9.35
10.10
L
1.00
1.50
(L1)
2.80
L2
0.80
L4
0.60
R
V2
1.00
0.20
0°
Figure 22: DPAK recommended footprint (dimensions are in mm)
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Max.
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8°
LFXX
6.6
Package information
PPAK package information
Figure 23: PPAK package outline
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Package information
LFXX
Table 34: PPAK mechanical data
mm
Dim.
Min.
Max.
A
2.2
2.4
A1
0.9
1.1
A2
0.03
0.23
B
0.4
0.6
B2
5.2
5.4
C
0.45
0.6
C2
0.48
0.6
D
6
6.2
D1
E
5.1
6.4
6.6
E1
4.7
e
1.27
G
4.9
G1
2.38
2.7
H
9.35
10.1
L2
5.25
0.8
L4
0.6
L5
1
2.8
R
0.20
0°
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1
L6
V2
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Typ.
8°
LFXX
6.7
Package information
PPAK and DPAK packing information
Figure 24: PPAK and DPAK tape
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Package information
LFXX
Figure 25: PPAK and DPAK reel
Table 35: PPAK and DPAK tape and reel mechanical data
Tape
Reel
mm
mm
Dim.
Dim.
Min.
Max.
A0
6.8
7
A
B0
10.4
10.6
B
1.5
12.1
C
12.8
B1
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D
1.5
D1
1.5
E
1.65
F
1.6
Min.
Max.
330
13.2
D
20.2
G
16.4
1.85
N
50
7.4
7.6
T
K0
2.55
2.75
P0
3.9
4.1
Base qty.
2500
P1
7.9
8.1
Bulk qty.
2500
P2
1.9
2.1
R
40
T
0.25
0.35
W
15.7
16.3
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18.4
22.4
LFXX
7
Ordering information
Ordering information
Table 36: Order code
Package
Output voltage
TO-220
TO-220
(dual gauge)
TO-220FP
DPAK
PPAK
(tape and reel)
(tape and reel)
LF15ABDT-TR
LF18CDT-TR
1.5
LF18CPT-TR
(1)
LF18CDT-TRY
LF18ABDT-TR
LF18ABPT-TR
1.8
LF25CDT-TR
LF25CPT-TR
2.5
LF25CDT-TRY
LF33CV-DG
1.8
1.8
(1)
LF33CV
(V)
2.5
LF25ABDT-TR
2.5
LF25ABDT-TRY(1)
2.5
LF33CDT-TR
LF33CPT-TR
3.3
LF33CDT-TRY(1)
LF33CPT-TRY(1)
3.3
LF33ABV
LF33ABV-DG
LF33ABDT-TR
LF50CV
LF50CV-DG
LF50CDT-TR
LF50CPT-TR
5
LF50CDT-TRY(1)
LF50CPT-TRY(1)
5
LF50ABDT-TR
LF50ABPT-TR
5
LF50ABV
LF50ABV-DG
3.3
LF50ACP
5
LF50ABDT-TRY(1)
5
LF60CV
LF60CDT-TR
6
LF60ABV
LF60ABDT-TR
6
LF80CDT-TR
8
LF80CDT-TRY(1)
8
LF80ABDT-TR
8
LF85CDT-TR
LF85CPT-TR
8.5
LF85CDT-TRY(1)
LF85CPT-TRY(1)
8.5
LF90CPT-TR
9
LF90CV
LF120CDT-TR
12
LF120ABDT-TR
12
Notes:
(1)Qualified
and characterized according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 and
Q002 or equivalent.
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Revision history
8
LFXX
Revision history
Table 37: Document revision history
Date
Revision
Changes
21-Jun-2004
14
Document updating.
24-May-2006
15
Order codes updated.
02-Apr-2007
16
Order codes updated.
14-May-2007
17
Order codes updated.
26-Jul-2007
18
Add table 1 in cover page.
26-Nov-2007
19
Modified: Table 34.
16-Jan-2008
20
Added new order codes for automotive grade products see Table
34 on page 51.
12-Feb-2008
21
Modified: Table 34 on page 51.
10-Jul-2008
22
Modified: Table 34 on page 51.
05-May-2010
23
Added: Table 29 on page 41, fig 16, fig 17, fig 18 and fig 19.
16-Nov-2010
24
Modified: RthJC value for TO-220 Table 2 on page 7.
10-Feb-2012
25
Added: order code LF33CV-DG and LF33ABV-DG Table 34 on
page 51.
09-Mar-2012
26
Added: order code LF50ABV-DG Table 34 on page 51.
28-Feb-2014
27
Changed the part numbers LFxxAB and LFxxC to LFXX.
Changed the title.
Removed table from cover page.
Removed PENTAWATT package from the figure in cover page,
the Description and Figure 2.
Updated the Description.
Updated: Table 2, Table 6, Table 8, Table 10, Table 13, Table 15,
Table 17, Table 22, Table 25 and Table 34.
Changed title of Figure 7.
Updated mechanical data.
03-Mar-2015
28
Updated Table 34: Order code.
Minor text changes.
19-Jan-2017
29
Updated output voltage values in Table 16 and added new
commercial type in TO-220FP in Table 35.
Minor text changes.
27-Jan-2017
30
Updated features in cover page. Added Table 14 and updated
Table 35.
22-May-2017
31
Updated Table 36: "Order code".
Minor text changes.
52/53
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LFXX
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