KA78XXE / KA78XXAE
3-Terminal 1 A Positive Voltage Regulator
Description
Features
•
•
•
•
•
The KA78XXE / KA78XXAE series of three-terminal positive regulators is available in the TO-220 / D-PAK package with several fixed-output voltages, making them
useful in a wide range of applications. Each type employs
internal current limiting, thermal shut-down, and safe
operating area. If adequate heat sinking is provided, they
can deliver over 1 A output current. Although designed
primarily as fixed-voltage regulators, these devices can
be used with external components for adjustable voltages
and currents.
Output Current up to 1 A
Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24 V
Thermal Overload Protection
Short-Circuit Protection
Output Transistor Safe Operating Area Protection
TO-220 (Dual Gauge)
D-PAK
GND
GND
1. Input
2. GND
3. Output
1
1
Block Diagram
SERIES
PASS
ELEMENT
INPUT
1
CURRENT
GENERATOR
STARTING
CIRCUIT
OUTPUT
3
SOA
PROTECTION
REFERENCE
VOLTAGE
ERROR
AMPLIFIER
THERMAL
PROTECTION
GND
2
Figure 1. Block Diagram
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
1
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
August 2013
Product Number
Output Voltage
Tolerance
KA7805ETU
KA7806ETU
KA7808ETU
KA7809ETU
KA7810ETU
KA7812ETU
KA7815ETU
KA7818ETU
KA7824ETU
KA7805AETU
KA7809AETU
KA7810AETU
KA7812AETU
KA7815AETU
KA7824AETU
KA7805ERTF
KA7805ERTM
KA7808ERTM
KA7809ERTM
KA7812ERTM
Package
Operating
Temperature
Parking Method
±4%
TO-220 (Dual Gauge)
Rail
0°C to +125°C
±2%
±4%
D-PAK
Tape and Reel
Note:
1. Above output voltage tolerance is available at 25°C.
2. Refer to below figure for TM / TF Suffix for DPAK.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
2
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Ordering Information
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The
absolute maximum ratings are stress ratings only.
Symbol
VI
Parameter
Input Voltage
Value
VO = 5 V to 18 V
35
V
VO = 24 V
40
V
5
°C/W
RθJC
Thermal Resistance Junction-Cases (TO-220)
RθJA
Thermal Resistance Junction-Air (TO-220)
TOPR
Operating Temperature Range (KA78XXE / AE / ER)
TSTG
Storage Temperature Range
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
Unit
65
°C/W
0 to +125
°C
-65 to +150
°C
www.fairchildsemi.com
3
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Absolute Maximum Ratings
Refer to test circuit, 0°C < TJ < 125°C, IO = 500 mA, VI =10 V, CI= 0.33 μF, CO=0.1 μF, unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
TJ = +25°C
4.80
5.00
5.20
Output Voltage
5.0 mA ≤ IO ≤ 1.0 A, PO ≤ 15 W,
VI = 7 V to 20 V
4.75
5.00
5.25
Regline
Line Regulation(3)
TJ = +25°C
VI = 7 V to 25 V
4.0
100.0
VI = 8 V to 12 V
1.6
50.0
Regload
Load Regulation(3)
TJ = +25°C
IO = 5.0 mA to1.5 A
9
100
IO =250 mA to 750 mA
4
50
IQ
Quiescent Current
VO
ΔIQ
Quiescent Current Change
5.0
8.0
0.50
VI = 7 V to 25 V
0.30
1.30
-0.8
mV/°C
42
μV/VO
73
dB
2
V
f = 1 kHz
15
mΩ
VI = 35 V, TA = +25°C
230
mA
TJ = +25°C
2.2
A
IO = 5 mA
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
RR
Ripple Rejection
f = 120 Hz, VI = 8 V to 18 V
VDrop
Dropout Voltage
IO = 1 A, TJ = +25°C
RO
Output
Short-Circuit Current
IPK
Current(4)
Peak
mV
0.03
VN
ISC
mV
TJ = +25°C
Output Voltage Drift(4)
Resistance(4)
V
IO = 5 mA to 1.0 A
ΔVO/ΔT
(4)
Unit
62
mA
mA
Notes:
3. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
4. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
4
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7805E / KA7805ER)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500 mA, VI = 11 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
TJ = +25°C
5.75
6.00
6.25
Output Voltage
5.0 mA ≤ IO ≤ 1.0 A, PO ≤ 15 W,
VI = 8.0 V to 21 V
5.70
6.00
6.30
Regline
Line Regulation(5)
TJ = +25°C
VI = 8 V to 25 V
5.0
120.0
VI = 9 V to 13 V
1.5
60.0
Regload
Load Regulation(5)
TJ = +25°C
IO = 5 mA to 1.5 A
9
120
IO = 250 mA to 750 mA
3
60
IQ
Quiescent Current
TJ = +25°C
5.0
8.0
Quiescent Current
Change
IO = 5 mA to 1 A
0.5
VI = 8 V to 25 V
1.3
VO
ΔIQ
ΔVO/ΔT
Output Voltage Drift(6)
IO = 5 mA
VN
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
(6)
RR
Ripple Rejection
f = 120 Hz, VI = 9 V to 19 V
VDrop
Dropout Voltage
IO = 1 A, TJ = +25°C
Resistance(6)
RO
Output
ISC
Short-Circuit Current
IPK
Current(6)
Peak
59
Unit
V
mV
mV
mA
mA
-0.8
mV/°C
45
μV/Vo
75
dB
2
V
f = 1 kHz
19
mΩ
VI = 35 V, TA= +25°C
250
mA
TJ = +25°C
2.2
A
Notes:
5. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
6. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
5
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7806E)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500 mA, VI = 14 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
TJ = +25°C
7.7
8.0
8.3
Output Voltage
5.0 mA ≤ IO ≤ 1.0 A, PO ≤ 15 W,
VI = 10.5 V to 23 V
7.6
8.0
8.4
Regline
Line Regulation(7)
TJ = +25°C
VI = 10.5 V to 25 V
5
160
VI = 11.5 V to 17 V
2
80
Regload
Load Regulation(7)
TJ = +25°C
IO = 5.0 mA to 1.5 A
10
160
IO = 250 mA to 750 mA
5
80
IQ
Quiescent Current
TJ = +25°C
5
8
Quiescent Current
Change
IO = 5 mA to 1.0 A
0.05
0.50
VI = 10.5 A to 25 V
0.50
1.00
-0.8
mV/°C
52
μV/Vo
73
dB
2
V
f = 1 kHz
17
mΩ
VI = 35 V, TA = +25°C
230
mA
TJ = +25°C
2.2
A
VO
ΔIQ
ΔVO/ΔT
Output Voltage Drift(8)
IO = 5 mA
VN
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
RR
Ripple Rejection
VDrop
Dropout Voltage
(8)
Resistance(8)
RO
Output
ISC
Short-Circuit Current
IPK
Current(8)
Peak
f = 120 Hz, VI= 11.5 V to 21.5 V
IO = 1 A, TJ = +25°C
56
V
mV
mV
mA
mA
Notes:
7. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
8. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
6
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7808E / KA7808ER)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500 mA, VI = 15 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
TJ = +25°C
8.65
9.00
9.35
Output Voltage
5.0 mA ≤ IO ≤ 1.0 A, PO ≤ 15 W,
VI = 11.5 V to 24 V
8.60
9.00
9.40
Regline
Line Regulation(9)
TJ = +25°C
VI = 11.5 V to 25 V
6
180
VI = 12 V to 17 V
2
90
Regload
Load Regulation(9)
TJ = +25°C
IO = 5 mA to 1.5 A
12
180
IO = 250 mA to 750 mA
4
90
IQ
Quiescent Current
TJ = +25°C
Quiescent Current
Change
IO = 5 mA to 1.0 A
0.5
VI = 11.5 V to 26 V
1.3
VO
ΔIQ
ΔVO/ΔT
VN
8
V
mV
mV
mA
mA
Output Voltage Drift(10)
IO = 5 mA
-1
mV/°C
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
58
μV/Vo
71
dB
2
V
f = 1 kHz
17
mΩ
VI = 35 V, TA =+25°C
250
mA
TJ = +25°C
2.2
A
RR
Ripple Rejection
VDrop
Dropout Voltage
(10)
Resistance(10)
RO
Output
ISC
Short-Circuit Current
IPK
5
Unit
Peak
Current(10)
f = 120 Hz, VI = 13 V to 23 V
IO = 1 A, TJ =+25°C
56
Notes:
9. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
10. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
7
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7809E / KA7809ER)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500 mA, VI = 16 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
TJ = +25°C
9.6
10.0
10.4
Output Voltage
5.0 mA ≤ IO ≤ 1.0 A, PO ≤ 15 W,
VI = 12.5 V to 25 V
9.5
10.0
10.5
Regline
Line Regulation(11)
TJ = +25°C
VI = 12.5 V to 25 V
10
200
VI = 13 V to 25 V
3
100
Regload
Load Regulation(11)
TJ = +25°C
IO = 5 mA to 1.5 A
12
200
IO = 250 mA to 750 mA
4
400
IQ
Quiescent Current
TJ = +25°C
5.1
8.0
Quiescent Current
Change
IO = 5 mA to 1.0 A
0.5
VI = 12.5 V to 29 V
1.0
VO
ΔIQ
ΔVO/ΔT
VN
V
mV
mV
mA
mA
Output Voltage Drift(12)
IO = 5 mA
-1.0
mV/°C
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
58.0
μV/Vo
71.0
dB
IO = 1 A, TJ = +25°C
2.0
V
f = 1 kHz
17.0
mΩ
VI = 35 V, TA = +25°C
250
mA
TJ = +25°C
2.2
A
RR
Ripple Rejection
VDrop
Dropout Voltage
(12)
Resistance(12)
RO
Output
ISC
Short-Circuit Current
IPK
Unit
Peak
Current(12)
f = 120 Hz, VI = 13 V to 23 V
56.0
Notes:
11. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
12. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
8
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7810E)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500 mA, VI = 19 V, CI = 0.33 μF, CO= 0.1 μF, unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
TJ = +25°C
11.5
12.0
12.5
Output Voltage
5.0 mA ≤ IO ≤ 1.0 A, PO ≤ 15 W,
VI = 14.5 V to 27 V
11.4
12.0
12.6
Regline
Line Regulation(13)
TJ = +25°C
VI = 14.5 V to 30 V
10
240
VI = 16 V to 22 V
3
120
Regload
Load Regulation(13)
TJ = +25°C
IO = 5 mA to 1.5 A
11
240
IO = 250 mA to 750 mA
5.0
120
IQ
Quiescent Current
TJ = +25°C
5.1
8.0
Quiescent Current
Change
IO = 5 mA to 1.0 A
0.1
0.5
VI = 14.5 V to 30 V
0.5
1.0
VO
ΔIQ
ΔVO/ΔT
VN
V
mV
mV
mA
mA
Output Voltage Drift(14)
IO = 5 mA
-1
mV/°C
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
76
μV/Vo
71
dB
2
V
(14)
RR
Ripple Rejection
f = 120 Hz, VI = 15 V to 25 V
VDrop
Dropout Voltage
IO = 1 A, TJ= +25°C
Resistance(14)
RO
Output
ISC
Short-Circuit Current
IPK
Unit
Peak
Current(14)
55
f = 1 kHz
18
mΩ
VI = 35 V, TA = +25°C
230
mA
TJ = +25°C
2.2
A
Notes:
13. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
14. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
9
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7812E / KA7812ER)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500 mA, VI = 23 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
TJ = +25°C
14.40
15.00
15.60
Output Voltage
5.0 mA ≤ IO ≤ 1.0 A, PO ≤ 15 W,
VI = 17.5 V to 30 V
14.25
15.00
15.75
Regline
Line Regulation(15)
TJ = +25°C
VI = 17.5 V to 30 V
11
300
VI = 20 V to 26 V
3
150
Regload
Load Regulation(15)
TJ = +25°C
IO = 5 mA to 1.5 A
12
300
IO = 250 mA to 750 mA
4
150
IQ
Quiescent Current
TJ = +25°C
5.2
8.0
VO
ΔIQ
ΔVO/ΔT
VN
Quiescent Current Change
IO = 5 mA to 1.0 A
0.5
VI = 17.5 V to 30 V
1.0
V
mV
mV
mA
mA
Output Voltage Drift(16)
IO = 5 mA
-1
mV/°C
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
90
μV/Vo
70
dB
2
V
(16)
RR
Ripple Rejection
f = 120 Hz, VI = 18.5 V to 28.5 V
VDrop
Dropout Voltage
IO = 1 A, TJ= +25°C
Resistance(16)
RO
Output
ISC
Short-Circuit Current
IPK
Unit
Peak
Current(16)
54
f = 1 kHz
19
mΩ
VI = 35 V, TA= +25°C
250
mA
TJ =+25°C
2.2
A
Notes:
15. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
16. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
10
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7815E)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500 mA, VI = 27 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
TJ =+25°C
17.3
18.0
18.7
Output Voltage
5.0 mA ≤ IO ≤ 1.0 A, PO ≤ 15 W,
VI = 21 V to 33 V
17.1
18.0
18.9
Regline
Line Regulation(17)
TJ = +25°C
VI = 21 V to 33 V
15
360
VI = 24 V to 30 V
5
180
Regload
Load Regulation(17)
TJ = +25°C
IO = 5 mA to 1.5 A
15
360
IO = 250 mA to 750 mA
5
180
IQ
Quiescent Current
TJ =+25°C
5.2
8.0
Quiescent Current
Change
IO = 5 mA to 1.0 A
0.5
VI = 21 V to 33 V
1.0
VO
ΔIQ
ΔVO/ΔT
VN
Output Voltage Drift(18)
IO = 5 mA
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
RR
Ripple Rejection
VDrop
Dropout Voltage
(18)
Resistance(18)
RO
Output
ISC
Short-Circuit Current
IPK
Peak
Current(18)
f = 120 Hz, VI = 22 V to 32 V
IO = 1 A, TJ= +25°C
53
Unit
V
mV
mV
mA
mA
-1
mV/°C
110
μV/Vo
69
dB
2
V
f = 1 kHz
22
mΩ
VI = 35 V, TA = +25°C
250
mA
TJ = +25°C
2.2
A
Notes:
17. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
18. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
11
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7818E)
Refer to test circuit,0°C < TJ < 125°C, IO = 500 mA, VI = 33 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
TJ = +25°C
23.00
24.00
25.00
Output Voltage
5.0 mA ≤ IO ≤ 1.0 A, PO ≤ 15 W,
VI = 27 V to 38 V
22.80
24.00
25.25
Regline
Line Regulation(19)
TJ = +25°C
VI = 27 V to 38 V
17
480
VI = 30 V to 36 V
6
240
Regload
Load Regulation(19)
TJ = +25°C
IO = 5 mA to 1.5 A
15
480
IO = 250 mA to 750 mA
5.0
240
IQ
Quiescent Current
TJ = +25°C
5.2
8.0
Quiescent Current
Change
IO = 5 mA to 1.0 A
0.1
0.5
VI = 27 V to 38 V
0.5
1.0
Output Voltage Drift(20)
IO = 5mA
-1.5
mV/°C
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
60
μV/Vo
67
dB
2
V
VO
ΔIQ
ΔVO/ΔT
VN
RR
Ripple Rejection
VDrop
Dropout Voltage
(20)
Resistance(20)
RO
Output
ISC
Short-Circuit Current
IPK
Peak
Current(20)
f = 120 Hz, VI = 28 V to 38 V
IO = 1 A, TJ= +25°C
50
V
mV
mV
mA
mA
f = 1 kHz
28
mΩ
VI = 35 V, TA= +25°C
230
mA
TJ = +25°C
2.2
A
Notes:
19. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
20. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
12
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7824E)
Refer to the test circuit, 0°C < TJ < +125°C, Io = 1 A, VI = 10 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
VO
Regline
Parameter
Output Voltage
Line Regulation
(21)
Conditions
Min.
Typ.
Max.
TJ =+25°C
4.9
5.0
5.1
IO = 5 mA to 1 A, PO ≤ 15 W,
VI = 7.5 V to 20 V
4.8
5.0
5.2
VI = 7.5 V to 25 V, IO = 500 mA
5.0
50.0
VI = 8 V to 12 V
3.0
50.0
VI= 7.3 V to 20 V
5.0
50.0
VI= 8 V to 12 V
TJ = +25°C
Regload
IQ
Load Regulation
(21)
Quiescent Current
1.5
25.0
TJ =+25°C, IO = 5 mA to 1.5 A
9
100
IO = 5 mA to 1 A
9
100
IO = 250 mA to 750 mA
4
50
TJ = +25°C
5
6
IO = 5 mA to 1 A
ΔIQ
ΔV/ΔT
VN
RR
Quiescent Current Change
Unit
V
mV
mV
mA
0.5
VI = 8 V to 25 V, IO = 500 mA
0.8
VI = 7.5 V to 20 V, TJ = +25°C
0.8
mA
Output Voltage Drift(22)
IO = 5 mA
-0.8
mV/°C
Output Noise Voltage
f = 10 Hz to 100 kHz, TA =+25°C
10
μV/Vo
Ripple Rejection(22)
f = 120 Hz, IO = 500 mA,
VI = 8 V to 18 V
68
dB
Dropout Voltage
IO = 1 A, TJ = +25°C
2
V
RO
Output Resistance(22)
f = 1 kHz
17
mΩ
ISC
Short-Circuit Current
VI = 35 V, TA = +25°C
250
mA
TJ = +25°C
2.2
A
VDrop
IPK
Peak Current
(22)
Notes:
21. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
22. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
13
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7805AE)
Refer to the test circuit, 0°C < TJ < +125 °C, IO = 1 A, VI = 15 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
VO
Parameter
Output Voltage
Conditions
Min.
Typ.
Max.
TJ = +25°C
8.82
9.00
9.18
IO = 5 mA to 1 A, PO ≤ 15 W,
VI = 11.2 V to 24 V
8.65
9.00
9.35
6
90
VI = 11.7 V to 25 V, IO = 500 mA
Regline
Line Regulation
(23)
VI = 12.5 V to 19 V
TJ = +25°C
Regload
IQ
ΔIQ
ΔV/ΔT
Load Regulation(23)
Quiescent Current
Quiescent Current Change
Drift(24)
4
45
VI = 11.5 V to 24 V
6
90
VI = 12.5 V to 19 V
2
45
TJ = +25°C, IO = 5 mA to 1.0 A
12
100
IO = 5 mA to 1.0 A
12
100
IO = 250 mA to 750 mA
5
50
TJ = +25°C
5
6
VI = 11.7 V to 25 V, TJ = +25°C
0.8
VI = 12 V to 25 V, IO = 500 mA
0.8
IO = 5 mA to 1.0 A
0.5
V
mV
mV
mA
mA
-1.0
mV/°C
VN
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
10
μV/Vo
RR
Ripple Rejection(24)
f = 120 Hz, IO = 500 mA,
VI = 12 V to 22 V
62
dB
Dropout Voltage
IO = 1 A, TJ = +25°C
2.0
V
VDrop
Output Voltage
(24)
IO = 5 mA
Unit
RO
Output Resistance
f = 1 kHz
17
mΩ
ISC
Short-Circuit Current
VI= 35 V, TA = +25°C
250
mA
IPK
Peak Current(24)
TJ = +25°C
2.2
A
Notes:
23. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
24. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
14
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7809AE)
Refer to the test circuit, 0°C < TJ < +125 °C, IO = 1 A, VI = 16 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
VO
Parameter
Output Voltage
Conditions
Min.
Typ.
Max.
TJ =+25°C
9.8
10.0
10.2
IO = 5 mA to 1 A, PO ≤ 15 W,
VI = 12.8 V to 25 V
9.6
10.0
10.4
8.0
100.0
VI = 12.8 V to 26 V, IO = 500 mA
Regline
Line Regulation
(25)
VI = 13 V to 20 V
TJ = +25°C
Regload
IQ
ΔIQ
ΔV/ΔT
Load Regulation(25)
Quiescent Current
4.0
50.0
VI = 12.5 V to 25 V
8.0
100.0
VI = 13 V to 20 V
3.0
50.0
TJ = +25°C, IO = 5 mA to 1.5 A
12
100
IO = 5 mA to 1 mA
12
100
IO = 250 mA to 750 mA
5
50
5.0
6.0
TJ = +25°C
Quiescent Current Change
Drift(26)
IO = 5 mA to 1.0 A
0.5
VI = 12.8 V to 25 V, IO = 500 mA
0.8
VI = 13 V to 26 V, TJ = +25°C
0.5
Unit
V
mV
mV
mA
mA
IO = 5 mA
-1.0
mV/°C
VN
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
10.0
μV/Vo
RR
Ripple Rejection(26)
f = 120 Hz, IO = 500 mA,
VI = 14 V to 24 V
62.0
dB
Dropout Voltage
IO = 1 A, TJ = +25°C
2.0
V
VDrop
Output Voltage
(26)
RO
Output Resistance
f = 1 kHz
17.0
mΩ
ISC
Short-Circuit Current
VI = 35 V, TA = +25°C
250
mA
IPK
Peak Current(26)
TJ = +25°C
2.2
A
Notes:
25. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
26. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
15
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7810AE)
Refer to the test circuit, 0°C < TJ < +125°C, IO = 1 A, VI = 19 V, CI= 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
VO
Parameter
Output Voltage
Conditions
Min.
Typ.
Max.
TJ = +25°C
11.75
12.00
12.25
IO = 5 mA to 1 A, PO ≤ 15 W,
VI = 14.8 V to 27 V
11.50
12.00
12.50
10
120
VI = 14.8 V to 30 V, IO = 500 mA
Regline
Line Regulation(27)
VI= 16 V to 22 V
4
120
VI= 14.5 V to 27 V
10
120
VI= 16 V to 22 V
3
60
TJ = +25°C, IO = 5 mA to 1.5 A
12
100
IO = 5 mA to 1.0 A
12
100
IO = 250 mA to 750 mA
5
50
5.1
6.0
TJ = +25°C
Regload
IQ
ΔIQ
ΔV/ΔT
Load Regulation(27)
Quiescent Current
TJ = +25°C
Quiescent Current Change
Drift(28)
VI = 15 V to 30 V, TJ = +25°C
0.8
VI = 14 V to 27 V, IO = 500 mA
0.8
IO = 5 mA to 1.0 A
0.5
V
mV
mV
mA
mA
-1.0
mV/°C
VN
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
10
μV/Vo
RR
Ripple Rejection(28)
f = 120 Hz, IO = 500 mA,
VI = 14 V to 24 V
60
dB
Dropout Voltage
IO = 1 A, TJ = +25°C
2.0
V
VDrop
Output Voltage
(28)
IO = 5 mA
Unit
RO
Output Resistance
f = 1 kHz
18
mΩ
ISC
Short-Circuit Current
VI = 35 V, TA = +25°C
250
mA
IPK
Peak Current(28)
TJ = +25°C
2.2
A
Notes:
27. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
28. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
16
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7812AE)
Refer to the test circuit, 0°C < TJ < +125°C, IO = 1 A, VI = 23 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
VO
Parameter
Output Voltage
Conditions
Min.
Typ.
Max.
TJ = +25°C
14.7
15.0
15.3
IO = 5 mA to 1 A, PO ≤ 15 W,
VI = 17.7 V to 30 V
14.4
15.0
15.6
10
150
VI = 17.9 V to 30 V, IO = 500 mA
Regline
Line Regulation
(29)
VI = 20 V to 26 V
TJ = +25°C
Regload
IQ
ΔIQ
ΔV/ΔT
Load Regulation(29)
Quiescent Current
5
150
VI = 17.5 V to 30 V
11
150
VI = 20 V to 26 V
3
75
TJ = +25°C, IO = 5 mA to 1.5 A
12
100
IO = 5 mA to 1.0 A
12
100
IO = 250 mA to 750 mA
5
50
5.2
6.0
TJ = +25°C
Quiescent Current Change
Drift(30)
VI = 17.5 V to 30 V, TJ = +25°C
0.8
VI = 17.5 V to 30 V, IO = 500 mA
0.8
IO = 5 mA to 1.0 A
0.5
V
mV
mV
mA
mA
-1.0
mV/°C
VN
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
10
μV/VO
RR
Ripple Rejection(30)
f = 120 Hz, IO = 500 mA,
VI = 18.5 V to 28.5 V
58
dB
Dropout Voltage
IO = 1 A, TJ = +25°C
2.0
V
VDrop
Output Voltage
(30)
IO = 5 mA
Unit
RO
Output Resistance
f = 1 kHz
19
mΩ
ISC
Short-Circuit Current
VI = 35 V, TA = +25°C
250
mA
IPK
Peak Current(30)
TJ = +25°C
2.2
A
Notes:
29. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
30. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
17
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7815AE)
Refer to the test circuit, 0°C < TJ < +125°C, IO =1 A, VI = 33 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Symbol
VO
Parameter
Output Voltage
Conditions
Min.
Typ.
Max.
TJ = +25°C
23.5
24.0
24.5
IO = 5 mA to 1 A, PO ≤15 W,
VI = 27.3 V to 38 V
23.0
24.0
25.0
18
240
VI = 27 V to 38 V, IO = 500 mA
Regline
Line Regulation
(31)
VI = 21 V to 33 V
6
240
VI = 26.7 V to 38 V
18
240
VI = 30 V to 36 V
6
120
TJ = +25°C, IO = 5 mA to 1.5 A
15
100
IO = 5 mA to 1.0 A
15
100
IO = 250 mA to 750 mA
7
50
5.2
6.0
TJ = +25°C
Regload
IQ
ΔIQ
ΔV/ΔT
Load Regulation(31)
Quiescent Current
TJ = +25°C
Quiescent Current Change
Drift(32)
VI = 27.3 V to 38 V, TJ = +25°C
0.8
VI = 27.3 V to 38 V, IO = 500 mA
0.8
IO = 5 mA to 1.0 A
0.5
V
mV
mV
mA
mA
-1.5
mV/°C
VN
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C
10
μV/Vo
RR
Ripple Rejection(32)
f = 120 Hz, IO = 500 mA,
VI = 28 V to 38 V
54
dB
Dropout Voltage
IO = 1 A, TJ = +25°C
2.0
V
VDrop
Output Voltage
(32)
IO = 5 mA
Unit
RO
Output Resistance
f = 1 kHz
20
mΩ
ISC
Short-Circuit Current
VI = 35 V, TA = +25°C
250
mA
IPK
Peak Current(32)
TJ = +25°C
2.2
A
Notes:
31. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
32. These parameters, although guaranteed, are not 100% tested in production.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
18
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Electrical Characteristics (KA7824AE)
Figure 2. Quiescent Current
Figure 3. Peak Output Current
Figure 4. Output Voltage
Figure 5. Quiescent Current
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
19
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Typical Performance Characteristics
1
KA78XXE
3
Output
Input
CO
2
CI
0.33 μF
0.1 μF
Figure 6. DC Parameters
1
KA78XXE
3
Input
Output
270 pF
RL
2
VO
2N6121
OR EQ
0.33 μF
OV
30 μS
VO
100 Ω
Figure 7. Load Regulation
5.1 Ω
1
KA78XXE
Input
3
Output
0.33 μF
2
RL
470 μF
120 Hz
+
Figure 8. Ripple Rejection
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
20
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Typical Applications
KA78XXE
3
Output
Input
CO
2
CI
0.33μF
0.1μF
Figure 9. Fixed Output Regulator
1
3
KA78XXE
Output
Input
CI
CO
2
0.33 μF
0.1 μF
Vxx
R1
IQ
IO
RL
Vxx
IO =
+
R1 IQ
Figure 10. Constant Current Regulator
Notes:
33. To specify an output voltage, substitute voltage value for “XX”. A common ground is required between the input and
the output voltage. The input voltage must remain typically 2.0 V above the output voltage even during the low point on
the input ripple voltage.
34. CI is required if regulator is located an appreciable distance from power supply filter.
35. CO improves stability and transient response.
1
Output
3
KA78XXE
Input
CI
CO
2
0.33 μF
0.1 μF
Vxx
R1
IQ
R2
IRI ≥ 5IQ
VO = VXX(1+R2/R1) + IQR2
Figure 11. Circuit for Increasing Output Voltage
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
21
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
1
1
Output
3
KA7805E
2
CI
0.33μF
6
CO
- 2
KA741
+ 3
4
0.1μF
10KΩ
IRI ≥ 5 IQ
VO = VXX(1+R2/R1) + IQR2
Figure 12. Adjustable Output Regulator (7 V to 30 V)
Input
VI
IQ1
R1
1
3Ω
Output
3
KA78XXE
Vo
Io
IREG
2
0.33 μF
0.1 μF
IO = IREG + BQ1 (IREG-VBEQ1/R1)
Figure 13. High-Current Voltage Regulator
Q1
Input
VI
Q2
R1
1
3Ω
KA78XXE
3
Vo
Output
0.33 μF
Q1 = TIP42
Q2 = TIP42
RSC =
2
0.1 μF
VBEQ2
ISC
Figure 14. High Output Current with Short-Circuit Protection
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
22
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Input
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
1
3
KA78XXE
VO
VI
2
0.33 μF
0.1 μF
7
COMMON
6
_
COMMON
2
KA741
+
4
-VIN
4.7 kΩ
3
4.7 kΩ
-VO
TIP42
Figure 15. Tracking Voltage Regulator
1
KA7815E
3
+20 V
+15 V
2
0.1 μF
0.33 μ F
+ 2.2 μF
1 μF +
1N4001
1
-20 V
2
1N4001
KA7915E
3
-15 V
Figure 16. Split-Power Supply (±15 V - 1 A)
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
23
Input
+
0.1 μF
2
1
KA78XXE
Figure 17. Negative Output Voltage Circuit
D45H11
Input
1mH
Output
470 Ω
4.7 Ω
Z1
1
+
KA78XXE
0.33 μF
10 μF
0.5 Ω
3
2
+
2000 μF
Figure 18. Switching Regulator
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
24
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Output
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Physical Dimensions
TO-220 (DUAL GAUGE)
Figure 19. TO-220, MOLDED, 3-LEAD, NON-JEDEC, VARIATION AB (DUAL GUAGE)
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or
obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the
warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/dwg/TO/TO220Y03.pdf.
For current tape and reel specifications, visit Fairchild Semiconductor’s online packaging area:
http://www.fairchildsemi.com/packing_dwg/PKG-TO220Y03_SHEDCL.pdf.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
25
KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
Physical Dimensions
D-PAK
Figure 20. 3-LEAD, TO-252, JEDEC TO-252 VAR. AB, SURFACE MOUNT (DPAK)
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or
obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the
warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/dwg/TO/TO252D03.pdf.
For current tape and reel specifications, visit Fairchild Semiconductor’s online packaging area:
http://www.fairchildsemi.com/packing_dwg/PKG-TO252D03.pdf.
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.1.1
www.fairchildsemi.com
26
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intended to be an exhaustive list of all such trademarks.
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®
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®
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®*
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®
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Definition of Terms
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Preliminary
First Production
No Identification Needed
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Obsolete
Not In Production
Definition
Datasheet contains the design specifications for product development. Specifications may change
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Datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild
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Rev. I65
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