LDK220
Datasheet
200 mA low quiescent current and low noise LDO
Features
SOT23-5L
SOT323-5L
SOT89
DFN6-1.2x1.3
•
•
•
•
•
•
•
•
•
•
Input voltage from 2.5 to 13.2 V
Very low-dropout voltage (100 mV typ. @ 100 mA load)
Low quiescent current (typ. 55 µA, 1 µA in off mode)
Low noise
Output voltage tolerance: ± 2.0% @ 25 °C
200 mA guaranteed output current
Wide range of output voltages available on request: fixed from 1.2 V to 12 V with
100 mV step and adjustable
Logic-controlled electronic shutdown
Output discharge function
Compatible with ceramic capacitor COUT = 1 µF
•
•
•
Internal current and thermal limit
Available in SOT23-5L, SOT323-5L, SOT-89 and DFN6-1.2x1.3 packages
Temperature range: -40 °C to 125 °C
Applications
Maturity status link
LDK220
•
•
•
•
•
Battery-powered equipment
TV
Set-top box
PC and laptop
Industrial
Description
The LDK220 is a low drop voltage regulator, which provides a maximum output
current of 200 mA from an input voltage in the range of 2.5 V to 13.2 V, with a typical
dropout voltage of 100 mV.
A ceramic capacitor stabilizes it on the output.
The very low drop voltage, low quiescent current and low noise make it suitable for
battery-powered applications.
The enable logic control function puts the LDK220 in shutdown mode allowing a total
current consumption lower than 1 µA.
The device also includes a short-circuit constant current limiting and thermal
protection.
DS10219 - Rev 7 - November 2021
For further information contact your local STMicroelectronics sales office.
www.st.com
LDK220
Diagram
1
Diagram
Figure 1. Block diagram (fixed version)
VIN
VOUT
Bias
generator
OPAMP
EN
Enable
Thermal
protection
Bandgap
reference
Current
limit
(*)
GND
Figure 2. Block diagram (adjustable version)
VOUT
VIN
Bias
generator
OPAMP
EN
ADJ
Enable
Thermal
protection
Bandgap
reference
Current
limit
(*)
GND
(*) The device embeds autodischarge function (active when Enable in low). To avoid damages to the discharge
function, we discourage to apply any external voltage to VOUT pin when Enable pin is low.
DS10219 - Rev 7
page 2/32
LDK220
Pin configuration
2
Pin configuration
Figure 3. Pin connections (top view)
1
5
2
4
3
SOT23-5L
SOT323-5L
1
6
2
5
3
4
DFN6-1.2x1.3
SOT-89
Table 1. Pin description (SOT23-5L, SOT323-5L)
Pin n°
Symbol
1
IN
2
GND
3
EN
4
ADJ/NC
5
OUT
Function
Input voltage of the LDO
Common ground
Enable pin logic input: low = shutdown, high = active.
EN cannot be left floating.
Adjustable pin on ADJ version, not connected on fixed version
Output voltage of the LDO
Table 2. Pin description (DFN6)
Pin n°
Symbol
1
OUT
Output voltage of the LDO
2
N/C
Not connected
3
ADJ/NC
4
EN
5
GND
6
IN
Function
Adjustable pin on ADJ version, not connected in fixed version
Enable pin logic input: low = shutdown, high = active
EN cannot be left floating.
Common ground
Input voltage of the LDO
Table 3. Pin description (SOT-89)
Pin n° (1)
Symbol
1
OUT
Output voltage of the LDO
2
GND
Common ground
3
IN
Function
Input voltage of the LDO
1. Adjustable version and enable pin are not available on the SOT-89 package.
DS10219 - Rev 7
page 3/32
LDK220
Typical application
3
Typical application
Figure 4. Typical application circuits
Adjustable output version
Fixed output version
VIN
VI
ON
OFF
EN
VIN
VI
ON
LDK220
CIN
1 µF
VOUT
VO
G ND
OFF
COUT
CIN
1 µF
1 µF
EN
VOUT
VO
LDK220
G ND
R1
COUT
ADJ
1 µF
R2
VO = V ADJ (1 + R 1 / R2 )
R1, R2 must be selected to make I ADJ max negligible
Note:
DS10219 - Rev 7
Adjustable version and enable pin are not available on the SOT-89 package.
page 4/32
LDK220
Maximum ratings
4
Maximum ratings
Table 4. Absolute maximum ratings
Symbol
VIN
Parameter
DC input voltage
Value
Unit
- 0.3 to 14
V
VOUT
DC output voltage
- 0.3 to VI + 0.3
V
VEN
Enable input voltage
- 0.3 to VI + 0.3
V
VADJ
ADJ pin voltage
- 0.3 to 2
V
IOUT
Output current
Internally limited
mA
PD (1)
Power dissipation
500
mW
TSTG
Storage temperature range
- 65 to 150
°C
TOP
Operating junction temperature range
- 40 to 125
°C
1. Maximum power dissipation has to be calculated taking into account the package thermal performance.
Note:
Absolute maximum ratings are those values beyond which damage to the device may occur. Functional
operation under these conditions is not implied. All values are referred to GND.
Table 5. Thermal data
Symbol
Note:
DS10219 - Rev 7
Parameter
SOT23-5L
SOT323-5L
SOT-89
DFN-6
Unit
RthJA
Thermal resistance junctionambient
160
246
110
237
°C/W
RthJC
Thermal resistance junction-case
68
134
15
104
°C/W
JESD 51, 4 LAYERS 2S2P.
page 5/32
LDK220
Electrical characteristics
5
Electrical characteristics
Table 6. LDK220 electrical characteristics for fixed output version. TJ = 25 °C, VIN = VOUT(NOM) + 1 V, CIN =
COUT = 1 μF, IOUT = 1 mA, VEN = VIN, unless otherwise specified.
Symbol
Parameter
VIN
Operating input voltage
VOUT
VOUT accuracy
Test conditions
Min.
Typ.
Max.
Unit
2.5
13.2
V
IOUT = 1 mA, TJ = 25 °C
-2
2
%
IOUT = 1 mA, -40 °C < TJ < 125 °C
-3
3
%
ΔVOUT
Static line regulation
VOUT + 1 V ≤ VIN ≤ 13.2 V, IOUT = 1 mA
0.001
0.05
%/V
ΔVOUT
Static load regulation
IOUT = 1 mA to 200 mA
0.001
0.003
%/mA
IOUT = 100 mA, VOUT = 3.3 V
VDROP
Dropout voltage
(1)
100
IOUT = 200 mA, VOUT = 3.3 V
200
40 °C < TJ < 125 °C
eN
Output noise voltage
10 Hz to 100 kHz, IOUT = 10 mA
350
mV
µVRMS/V
20
VIN = VOUTNOM+ 0.5 V+/-VRIPPLE
VRIPPLE = 0.1 V
55
frequency = 120 Hz to 1 kHz
SVR
Supply voltage
rejection
IOUT = 10 mA
dB
VIN = VOUTNOM + 0.5 V+/-VRIPPLE IOUT =
10 mA
50
VRIPPLE = 0.1 V
frequency = 10 kHz
VIN = VOUT +1 V
55
90
60
100
VIN input current in off mode: VEN = GND,
TJ = 25 °C
0.1
1
Short-circuit current (2)
RL = 0
400
Enable input logic low
VIN = 2.5 V to 13.2 V, -40 °C < TJ < 125 °C
Enable input logic high
VIN = 2.5 V to 13.2 V, -40 °C < TJ < 125 °C
Enable pin input
current
VEN = VIN
0.1
Discharger resistor
VEN = 0
18
IOUT = 0 mA,-40 °C < TJ < 125 °C
IQ
Quiescent current
VOUT +1 V ≤ VIN ≤ 13.2 V (2)
IOUT = 200 mA,-40 °C < TJ < 125 °C
ISC
VEN
IEN
Rdis
TSHDN
COUT
1.2
160
Hysteresis
20
Output capacitor
Capacitance (see Section 6 Typical
characteristics)
mA
0.4
Thermal shutdown
1
µA
100
V
nA
Ω
°C
22
µF
1. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value.
2. The maximum current has to be limited according to the maximum power dissipation.
DS10219 - Rev 7
page 6/32
LDK220
Electrical characteristics
Table 7. LDK220 electrical characteristics for adjustable version. TJ = 25 °C, VIN = VOUT(NOM) + 1 V, CIN =
COUT = 1 μF, IOUT = 1 mA, VEN = VIN, unless otherwise specified.
Symbol
VIN
Parameter
Operating input voltage
Adjustable voltage
VADJ
Test conditions
Adjustable voltage
accuracy
Min.
Typ.
2.5
TJ = 25 °C
Max.
Unit
13.2
V
1.185
V
TJ = 25 °C
-2
+2
40 °C < TJ < 125 °C
-3
+3
%
ΔVOUT
Static line regulation
VOUT +1 V ≤ VIN ≤ 13.2 V IOUT=1 mA
0.001
0.05
%/V
ΔVOUT
Static load regulation
IOUT = 1 mA to 200 mA
0.0002
0.003
%/mA
350
mV
IOUT = 100 mA, VOUT = 3.3 V
VDROP
Dropout voltage
(1)
100
IOUT = 200 mA, VOUT = 3.3 V
200
40 °C < TJ < 125 °C
eN
IADJ
Output noise voltage
10 Hz to 100 kHz, IOUT = 10 mA
µVRMS/V
100
Adjust pin current
1
µA
VIN = VOUTNOM + 0.5 V+/-VRIPPLE
SVR
IQ
ISC
VEN
IEN
TSHDN
COUT
Supply voltage rejection
60
VRIPPLE = 0.1 V
frequency = 120 Hz to1 kHz, IOUT = 10 mA
dB
VRIPPLE = 0.1 V VIN = VOUTNOM+0.5 V+/VRIPPLE frequency = 10 kHz, IOUT = 10 mA
45
VOUT +1 V ≤ VIN ≤ 13.2 V IOUT = 0 mA, -40
°C < TJ < 125 °C
55
90
VOUT +1 V ≤ VIN ≤ 13.2 V IOUT = 200
mA,-40 °C < TJ < 125 °C (2)
60
100
VIN input current in off mode: VEN =
GND,TJ = 25 °C
0.1
1
Short-circuit current (2)
RL = 0
400
Enable input logic low
VIN = 2.5 V to 13.2 V -40 °C < TJ < 125 °C
Enable input logic high
VIN = 2.5 V to 13.2 V -40 °C < TJ < 125 °C
Enable pin input current
VEN = VIN
Quiescent current
1.2
Thermal shutdown
160
Hysteresis
20
Output capacitor
mA
0.4
0.1
Capacitance (see Section 6 Typical
characteristics)
1
µA
100
V
nA
°C
22
µF
1. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value.
2. The maximum current has to be limited according to the maximum power dissipation.
DS10219 - Rev 7
page 7/32
LDK220
Typical performance characteristics
6
Typical performance characteristics
(CIN = COUT = 1 μF, VEN to VIN)
Figure 6. Output voltage vs. temperature (VOUT = VADJ,
IOUT = 200 mA)
1.3
1.3
1.28
1.28
1.26
1.26
1.24
1.24
Output voltage [V]
Output voltage [V]
Figure 5. Output voltage vs. temperature (VOUT = VADJ,
IOUT = 1 mA)
1.22
1.2
1.18
1.16
1.14
1.12
1.22
1.2
1.18
1.16
1.14
1.12
1.1
-40
-25
0
25
55
85
1.1
125
-40
-25
0
Temperature [°C]
VIN = 2.5 V, IOUT = 1 mA
55
85
125
VIN = 2.5 V, IOUT = 200 mA
Figure 7. Output voltage vs. temperature (VOUT = 3.3 V,
IOUT = 1 mA)
Figure 8. Output voltage vs. temperature (VOUT = 3.3 V,
IOUT = 200 mA)
3.4
3.4
3.38
3.38
3.36
3.36
3.34
3.34
Output voltage [V]
Output voltage [V]
25
Temperature [°C]
3.32
3.3
3.28
3.26
3.32
3.3
3.28
3.26
3.24
3.24
3.22
3.22
3.2
3.2
-40
-25
0
25
55
85
-40
125
-25
0
25
55
85
125
Temperature [°C]
VIN = 4.3 V, IOUT = 200 mA
Temperature [°C]
VIN = 4.3 V, IOUT = 1 mA
Figure 9. Short-circuit current vs. temperature
Figure 10. Line regulation vs. temperature (VOUT = 3.3 V)
0.6
0.01
0.008
0.55
0.006
Line regulation [%/V]
Short circuit current [A]
0.5
0.45
0.4
0.35
0.3
0.004
0.002
0
-40
-25
0
25
55
85
125
-0.002
-0.004
-0.006
0.25
-0.008
0.2
-40
-25
0
25
Temperature [°C]
VIN = 4 V
DS10219 - Rev 7
55
85
125
-0.01
Temperature [°C]
VOUT = 3.3 V, IOUT = 1 mA
page 8/32
LDK220
Typical performance characteristics
Figure 12. Load regulation vs. temperature (VOUT = 3.3 V)
0.01
0.01
0.008
0.008
0.006
0.006
0.004
0.002
0
-40
-25
0
25
55
85
125
-0.002
-0.004
Load regulation [%/mA]
Line regulation [%/V]
Figure 11. Line regulation vs. temperature (VOUT = VADJ)
0.004
0.002
0
-40
-25
0
25
55
85
125
-0.002
-0.004
-0.006
-0.006
-0.008
-0.008
-0.01
-0.01
Temperature [°C]
Temperature [°C]
VOUT = VADJ, IOUT = 1 mA
VOUT = 3.3 V, IOUT = 1 mA to 200 mA
Figure 13. Load regulation vs. temperature (VOUT = VADJ)
Figure 14. Enable thresholds vs. temperature
0.9
0.005
0.004
0.8
0.002
0.001
0
-40
-25
0
25
55
85
125
-0.001
-0.002
Enable voltage [V]
Load regulation [%/mA]
0.003
-0.003
0.7
0.6
0.5
0.4
-0.004
0.3
-0.005
-40
Temperature [°C]
-25
0
25
55
85
125
Temperature [°C]
IOUT = 1 mA to 200 mA
IOUT = 1 mA
Figure 16. Quiescent current vs. temperature
(IOUT = 0 mA)
Figure 15. Dropout voltage vs. temperature
300
90
275
80
225
Iout=10mA
200
Iout=50mA
175
Iout=100mA
Iout=200mA
150
125
100
75
50
Vin=2.5V
Vin=5V
70
Quiescent current [µA]
Dropout Voltage [mV]
250
Vin=13.2V
60
50
40
30
20
25
10
0
-40
-25
VOUT = 3.3 V
DS10219 - Rev 7
0
25
Temperature [°C]
55
85
125
0
-40
-25
0
25
55
85
125
Temperature [°C]
page 9/32
LDK220
Typical performance characteristics
Figure 17. Quiescent current vs. temperature
(IOUT = 200 mA)
Figure 18. Off-state current vs. temperature
10
90
9
8
Quiescent current [µA]
Quiescent current [µA]
80
70
Vin=2.5V
60
Vin=5V
Vin=13.2V
50
7
6
5
4
3
2
40
1
0
-40
30
-40
-25
0
25
55
85
-25
0
125
Temperature [°C]
Figure 19. SVR vs. frequency (VOUT = 3.3 V)
55
85
125
Figure 20. SVR vs. frequency (VOUT = VADJ)
80
80
70
70
60
60
50
50
SVR [dB]
SVR [dB]
25
Temperature [°C]
40
40
30
30
20
20
10
10
0
0
100
1000
10000
100000
100
1000
Frequency [Hz]
Frequency [Hz]
10000
100000
VIN = 2.5 V +/- 100 mV, VOUT = VADJ, COUT = 1 μF
VIN = 3.7 V +/-100 mV, VOUT = 3.3 V, COUT = 1 μF
Figure 22. Stability vs. (COUT, ESR)
Figure 21. Output noise spectral density
20
1.4
18
1.2
16
1
ESR@KHz[Ω]
eN [uV / SQRT(Hz)]
14
12
10
8
6
0.8
0.6
STABILITY AREA
0.4
4
0.2
2
0
0
10
100
1000
Frequency [Hz]
VOUT = 3.3 V, CIN = COUT = 1 μF
DS10219 - Rev 7
10000
100000
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
COUT [μF] (nominal value)
VIN from 2.5 to 13.2 V, IOUT from 0 to 200 mA, CIN = 1 μF
page 10/32
LDK220
Typical performance characteristics
Figure 23. Startup with enable (VOUT = 3.3 V)
VEN
Figure 24. Startup with enable (VOUT = VADJ)
VEN
Ton = 200 μs
VOUT
VOUT
IOUT
IOUT
VIN = 4.3 V, VEN = 0 V to 2 V, IOUT = 0.2 A, VOUT = 3.3 V, Tr = Tf = 1 μs
VIN = 2.5 V, VEN = 0 V to VIN, IOUT = 0.2 A, VOUT = VADJ, Tr = Tf = 1 μs
GIPD250120161427MT
GIPD250120161426MT
Figure 25. Turn-on time (VOUT = 3.3 V)
Figure 26. Turn-on time (VOUT = VADJ)
VEN
VOUT
VIN
VEN
Ton = 200 μs
VOUT
VIN
VIN = VEN = 0 V to 2.5 V, IOUT = 0.2 A, VOUT = VADJ, Tr = 5 μs
VIN = VEN = 0 V to 4.3 V, IOUT = 0.2 A, VOUT = 3.3 V, Tr = 5 μs
GIPD250120161429MT
GIPD250120161428MT
Figure 27. Line transient (VOUT = 3.3 V)
Figure 28. Line transient (VOUT = VADJ)
VIN
VIN
VOUT
VOUT
VIN = VEN = 4.3 V to 5.3 V, IOUT = 1 mA, VOUT = 3.3 V, Tr = Tf = 5 μs
GIPD250120161430MT
DS10219 - Rev 7
VIN = VEN = 2.5 V to 3.5 V, IOUT = 1 mA, VOUT = VADJ, Tr = Tf = 5 μs
GIPD250120161431MT
page 11/32
LDK220
Typical performance characteristics
Figure 29. Load transient (VOUT = 3.3 V)
Figure 30. Load transient (VOUT = VADJ)
VOUT
VOUT
IOUT
IOUT
VIN = VEN = 4.3 V, IOUT = 1 mA to 0.2 A, VOUT = 3.3 V, Tr = Tf = 5 μs
GIPD250120161432MT
DS10219 - Rev 7
VIN = VEN = 2.5 V, IOUT = 1 mA to 0.2 A, VOUT = VADJ, Tr = Tf = 5 μs
GIPD250120161433MT
page 12/32
LDK220
Package information
7
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.
DS10219 - Rev 7
page 13/32
LDK220
SOT23-5L package information
7.1
SOT23-5L package information
Figure 31. SOT23-5L package outline
7049676_k
Table 8. SOT23-5L package mechanical data
Dim.
DS10219 - Rev 7
mm
Min.
Typ.
Max.
A
0.90
1.45
A1
0
0.15
A2
0.90
1.30
b
0.30
0.50
c
0.09
0.20
D
2.95
E
1.60
e
0.95
H
2.80
L
0.30
0.60
θ
0°
8°
page 14/32
LDK220
SOT23-5L packing information
Figure 32. SOT23-5L recommended footprint
Note:
Dimensions are in mm
7.2
SOT23-5L packing information
Figure 33. SOT23-5L tape and reel outline
DS10219 - Rev 7
page 15/32
LDK220
SOT23-5L packing information
Table 9. SOT23-5L tape and reel mechanical data
Dim.
mm
Min.
Typ.
A
180
C
12.8
D
20.2
N
60
13.0
T
DS10219 - Rev 7
Max.
13.2
14.4
Ao
3.13
3.23
3.33
Bo
3.07
3.17
3.27
Ko
1.27
1.37
1.47
Po
3.9
4.0
4.1
P
3.9
4.0
4.1
page 16/32
LDK220
SOT-89 package information
7.3
SOT-89 package information
Figure 34. SOT-89 package outline
7098166_REV_F
DS10219 - Rev 7
page 17/32
LDK220
SOT-89 package information
Table 10. SOT-89 mechanical data
Dim.
mm
Min.
Max.
A
1.40
1.60
B
0.44
0.56
B1
0.36
0.48
C
0.35
0.44
C1
0.35
0.44
D
4.40
4.60
D1
1.62
1.83
D3
DS10219 - Rev 7
Typ.
0.90
E
2.29
2.60
e
1.42
1.57
e1
2.92
3.07
H
3.94
4.25
H1
2.70
3.10
K
1°
8°
L
0.89
1.20
R
0.25
β
90°
page 18/32
LDK220
SOT-89 package information
Figure 35. SOT-89 recommended footprint
Footprint
DS10219 - Rev 7
page 19/32
LDK220
SOT-89 packing information
7.4
SOT-89 packing information
Figure 36. SOT-89 carrier tape outline
7111762_5
Figure 37. SOT-89 device orientation
DS10219 - Rev 7
page 20/32
LDK220
SOT-89 packing information
Table 11. SOT-89 carrier tape mechanical data
Dim.
DS10219 - Rev 7
mm
Value
Tolerance
Ao
4.91
± 0.10
Bo
4.52
± 0.10
Ko
1.90
± 0.10
F
5.50
± 0.10
E
1.75
± 0.10
W
12
± 0.30
P2
2
± 0.10
Po
4
± 0.10
P1
8
± 0.10
T
0.30
± 0.10
D
Ø 1.55
± 0.05
D1
Ø 1.60
± 0.10
page 21/32
LDK220
SOT-89 packing information
Figure 38. SOT-89 reel drawing
DS10219 - Rev 7
page 22/32
LDK220
SOT323-5L package information
7.5
SOT323-5L package information
Figure 39. SOT323-5L package outline
7091413_G
DS10219 - Rev 7
page 23/32
LDK220
SOT323-5L package information
Table 12. SOT323-5L package mechanical data
Dim.
mm
Min.
Typ.
Max.
A
0.80
1.10
A1
0
0.10
A2
0.80
b
0.15
0.30
c
0.10
0.22
D
1.80
2
2.20
E
1.80
2.10
2.40
E1
1.15
1.25
1.35
e
0.90
1
0.65
e1
1.30
L
0.26
<
0°
0.36
0.46
8°
Figure 40. SOT323-5L recommended footprint
DS10219 - Rev 7
page 24/32
LDK220
DFN6 1.2x1.3 package information
7.6
DFN6 1.2x1.3 package information
Figure 41. DFN6 package outline
8442779_A
DS10219 - Rev 7
page 25/32
LDK220
DFN6 1.2x1.3 package information
Table 13. DFN6 package mechanical data
Dim.
mm
Min.
Typ.
Max.
A
0.41
0.45
0.50
A1
0.00
0.02
0.05
D
-
1.20
-
E
-
1.30
-
e
-
0.40
-
b
0.15
0.18
0.25
L
0.475
0.525
0.575
L3
0.375
0.425
0.475
aaa
-
0.05
-
bbb
-
0.10
-
ccc
-
0.05
-
ddd
-
0.05
-
eee
-
0.05
-
Figure 42. DFN6 recommended footprint
DS10219 - Rev 7
page 26/32
LDK220
DFN6 packing information
7.7
DFN6 packing information
Figure 43. DFN6 reel drawing outline
DS10219 - Rev 7
page 27/32
LDK220
DFN6 packing information
Figure 44. DFN6 carrier tape
DS10219 - Rev 7
page 28/32
LDK220
DFN6 packing information
Figure 45. DFN6 device orientation in tape
DS10219 - Rev 7
page 29/32
LDK220
Ordering information
8
Ordering information
Table 14. Order codes
SOT323-5L
SOT23-5L
LDK220C25R
SOT-89
DFN6
Output voltage (V)
LDK220M25R
LDK220PU25R
2.5
LDK220C27R
LDK220M27R
LDK220PU27R
2.7
LDK220C30R
LDK220M30R
LDK220PU30R
3
LDK220C32R
LDK220M32R
LDK220PU32R
3.2
LDK220C33R
LDK220M33R
LDK220PU33R
3.3
LDK220U30R
LDK220U33R
LDK220M35R
DS10219 - Rev 7
LDK220C36R
LDK220M36R
LDK220C40R
LDK220M40R
LDK220C50R
LDK220M50R
LDK220C-R
LDK220M-R
3.5
LDK220U36R
LDK220U50R
LDK220PU36R
3.6
LDK220PU40R
4
LDK220PU50R
5
LDK220PU-R
ADJ
page 30/32
LDK220
Revision history
Table 15. Document revision history
Date
Revision
19-Mar-2014
1
24-Nov-2014
2
Changes
Initial release.
Updated the features in cover page, Table 6: LDK220 electrical characteristics
for fixed output version, Table 7: LDK220 electrical characteristics for
adjustable version, Table 8: SOT23-5L mechanical data, and Section 6: Typical
characteristics.
Minor text changes.
19-May-2015
3
Added SOT-89 package. Updated features in cover page. Updated Section 2: Pin
configuration, Section 3: Typical application, Table 5: Thermal data, Section 7:
Package information and Section 8: Ordering information.
Minor text changes.
24-Oct-2016
4
Updated Table 7: "LDK220 electrical characteristics for adjustable version" and
Section 7: "Package information".
Minor text changes.
20-Dec-2019
5
Updated Section 1 Diagram.
12-Feb-2020
6
Added new part number LDK220M35R in Table 14. Order codes.
05-Nov-2021
7
Added note in Table 5, Rdis parameter in Table 6 and Section 7.7 DFN6 packing
information.
Updated figure on the cover page, Figure 3, Figure 4, Figure 23 and Figure 25.
DS10219 - Rev 7
page 31/32
LDK220
IMPORTANT NOTICE – PLEASE READ CAREFULLY
STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST
products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST
products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement.
Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of
Purchasers’ products.
No license, express or implied, to any intellectual property right is granted by ST herein.
Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product.
ST and the ST logo are trademarks of ST. For additional information about ST trademarks, please refer to www.st.com/trademarks. All other product or service
names are the property of their respective owners.
Information in this document supersedes and replaces information previously supplied in any prior versions of this document.
© 2021 STMicroelectronics – All rights reserved
DS10219 - Rev 7
page 32/32
工商网监
湘ICP备2023018690号
