NCP4620
150 mA, 10 V, Low Dropout
Regulator
The NCP4620 is a CMOS Linear voltage regulator with 150 mA
output current capability. The device is capable of operating with input
voltages up to 10 V, with high output voltage accuracy and low
temperature−drift coefficient. The NCP4620 is easy to use, with
output current fold−back protection and a thermal shutdown circuit
included. A Chip Enable function is included to save power by
lowering supply current.
Features
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MARKING
DIAGRAMS
XXX
XMM
1
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Operating Input Voltage Range: 2.6 V to 10 V
Output Voltage Range: 1.2 V to 6.0 V (available in 0.1 V steps)
Output Voltage Accuracy:
±1.0%
Low Supply Current: 23
mA
Low Dropout: 165 mV (I
OUT
= 100 mA, V
OUT
= 3.3 V)
400 mV (I
OUT
= 150 mA, V
OUT
= 2.8 V)
High PSRR: 70 dB at 1 kHz
Line Regulation 0.02%/V Typ
Current Fold Back Protection
Thermal Shutdown Protection
Stable with Ceramic Capacitors
Available in SC−70 and SOT23 Packages
These are Pb−Free Devices*
Battery products powered by 2 Lithium Ion cells
Networking and Communication Equipment
Cameras, DVRs, STB and Camcorders
Toys, industrial applications
VIN
VIN
C1
1
m
CE
NCP4620x
VOUT
C2
1
m
VOUT
SC−70
CASE 419A
SOT−23−5
CASE 1212
XXXMM
1
XXXX, XXX= Specific Device Code
MM
= Date Code
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
Typical Applications
GND
Figure 1. Typical Application Schematic
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
©
Semiconductor Components Industries, LLC, 2012
May, 2012
−
Rev. 4
1
Publication Order Number:
NCP4620/D
NCP4620
VIN
VOUT
VIN
VOUT
Vref
Vref
CE
Current Limit
Thermal Shutdown
CE
GND
Current Limit
Thermal Shutdown
GND
NCP4620Hxxxx
NCP4620Dxxxx
Figure 2. Simplified Schematic Block Diagram
PIN FUNCTION DESCRIPTION
Pin No.
SC−70
5
3
1
4
2
Pin No.
SOT23
1
2
3
5
4
Pin Name
VIN
GND
CE
VOUT
NC
Input pin
Ground
Chip enable pin (Active “H”)
Output pin
No connection
Description
ABSOLUTE MAXIMUM RATINGS
Rating
Input Voltage (Note 1)
Output Voltage
Chip Enable Input
Output Current
Power Dissipation
−
SC−70
Power Dissipation
−
SOT23
Operating Temperature
Maximum Junction Temperature
Storage Temperature
ESD Capability, Human Body Model (Note 2)
ESD Capability, Machine Model (Note 2)
T
A
T
J
T
STG
ESD
HBM
ESD
MM
Symbol
V
IN
V
OUT
V
CE
I
OUT
P
D
Value
12.0
−0.3
to V
IN
+ 0.3
12.0
165
380
420
−40
to +85
+150
−55
to +125
2000
200
°C
°C
°C
V
V
Unit
V
V
V
mA
mW
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Refer to ELECTRICAL CHARACTERISTIS and APPLICATION INFORMATION for Safe Operating Area.
2. This device series incorporates ESD protection and is tested by the following methods:
ESD Human Body Model tested per AEC−Q100−002 (EIA/JESD22−A114)
ESD Machine Model tested per AEC−Q100−003 (EIA/JESD22−A115)
Latchup Current Maximum Rating tested per JEDEC standard: JESD78.
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2
NCP4620
THERMAL CHARACTERISTICS
Rating
Thermal Characteristics, SOT23
Thermal Resistance, Junction−to−Air
Thermal Characteristics, SC−70
Thermal Resistance, Junction−to−Air
Symbol
R
qJA
R
qJA
Value
238
263
Unit
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
−40°C
≤
T
A
≤
85°C; V
IN
= V
OUT(NOM)
+ 1 V; I
OUT
= 1 mA, C
IN
= C
OUT
= 0.47
mF,
unless
otherwise noted. Typical values are at T
A
= +25°C.
Parameter
Operating Input Voltage
Output Voltage
T
A
= +25°C
−40°C
≤
T
A
≤
85°C
Output Voltage Temp. Coeffi-
cient
Line Regulation
Load Regulation
Dropout Voltage
V
OUT
> 1.5 V
V
OUT
≤
1.5 V
V
OUT
> 1.5 V
V
OUT
≤
1.5 V
Test Conditions
Symbol
V
IN
V
OUT
Min
2.6
x0.99
−15
x0.974
−40
±80
Line
Reg
Load
Reg
V
DO
0.02
5
0.2
40
1.40
1.30
1.10
0.80
0.58
0.48
0.40
Typ
Max
10
x1.01
15
x1.023
35
Unit
V
V
mV
V
mV
ppm/°C
%/V
mV
V
−40°C
≤
T
A
≤
85°C
V
OUT(NOM)
+ 0.5 V or 2.6 V (whichever is higher)
≤
V
IN
≤
10 V
I
OUT
= 0.1 mA to 150 mA
I
OUT
= 150 mA
1.2 V
≤
V
OUT
< 1.3 V
1.3 V
≤
V
OUT
< 1.5 V
1.5 V
≤
V
OUT
< 1.8 V
1.8 V
≤
V
OUT
< 2.3 V
2.3 V
≤
V
OUT
< 3.0 V
3.0 V
≤
V
OUT
< 4.0 V
4.0 V
≤
V
OUT
< 6.0 V
0.40
0.30
0.25
I
OUT
150
40
23
0.1
1.7
I
SC
I
Q
I
STB
V
CEH
V
CEL
I
CEPD
0.3
70
90
250
165
110
PSRR
V
N
R
LOW
T
TSD
T
TSR
Output Current
Short Current Limit
Quiescent Current
Standby Current
CE Pin Threshold Voltage
V
IN
= 10 V, V
CE
= 0 V, T
A
= 25°C
CE Input Voltage “H”
CE Input Voltage “L”
CE Pull Down Current
Power Supply Rejection Ratio
Output Noise Voltage
Low Output N−ch Tr. On Resist-
ance
Thermal Shutdown Temperature
Thermal Shutdown Release
V
IN
= V
OUT
+ 1 V or 3.0 V whichever is higher,
DV
IN
= 0.2 V
pk−pk
, I
OUT
= 30 mA, f = 1 kHz
f = 10 Hz to 100 kHz, I
OUT
= 30 mA, V
OUT
=
1.5 V, V
IN
= 2.6 V
V
IN
= 7 V, V
CE
= 0 V
V
OUT
= 0 V
mA
mA
40
1.0
mA
mA
V
0.8
mA
dB
mV
rms
W
°C
°C
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NCP4620
TYPICAL CHARACTERISTICS
1.6
1.4
1.2
V
OUT
(V)
1.0
0.8
0.6
0.4
0.2
0.0
0
50
100
150
I
OUT
(mA)
200
250
V
IN
= 2.6 V
2.8 V
3.0 V
V
OUT
(V)
4.0 V
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
50
100
150
I
OUT
(mA)
200
250
300
V
IN
= 3.5 V
3.7 V
4.0 V
5.0 V
Figure 3. Output Voltage vs. Output Current
1.5 V Version (T
J
= 255C)
6.0
5.0
4.0
V
OUT
(V)
3.0
2.0
1.0
0.0
Figure 4. Output Voltage vs. Output Current
3.3 V Version (T
J
= 255C)
V
IN
= 5.2 V
5.4 V
6.0 V
7.0 V
0
50
100
150
I
OUT
(mA)
200
250
300
Figure 5. Output Voltage vs. Output Current
5.0 V Version (T
J
= 255C)
0.40
0.35
0.30
V
DO
(V)
V
DO
(V)
0.25
0.20
0.15
0.10
0.05
0.00
0
50
I
OUT
(mA)
100
150
T
J
= 25°C
85°C
−40°C
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
50
I
OUT
(mA)
T
J
= 25°C
85°C
−40°C
100
150
Figure 6. Dropout Voltage vs. Output Current
3.3 V Version
Figure 7. Dropout Voltage vs. Output Current
5.0 V Version
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NCP4620
TYPICAL CHARACTERISTICS
1.55
1.54
1.53
1.52
V
OUT
(V)
V
OUT
(V)
1.51
1.50
1.49
1.48
1.47
1.46
1.45
−40
−20
0
20
40
60
T
J
, JUNCTION TEMPERATURE (°C)
80
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
−40
−20
0
20
40
60
T
J
, JUNCTION TEMPERATURE (°C)
80
V
IN
= 2.6 V
V
IN
= 4.3 V
Figure 8. Output Voltage vs. Temperature,
1.5 V Version
5.10
5.08
5.06
5.04
I
GND
(mA)
V
OUT
(V)
5.02
5.00
4.98
4.96
4.94
4.92
4.90
−40
−20
0
20
40
60
80
V
IN
= 6.0 V
40
35
30
25
20
15
10
5
0
0
Figure 9. Output Voltage vs. Temperature,
3.3 V Version
V
OUT
= 5 V
3.3 V
1.5 V
2
4
6
8
10
T
J
, JUNCTION TEMPERATURE (°C)
V
IN
, INPUT VOLTAGE (V)
Figure 10. Output Voltage vs. Temperature,
5.0 V Version
30
25
20
I
GND
(mA)
15
10
5
0
−40
V
OUT
= 5 V
3.3 V
V
OUT
(V)
1.5 V
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
−20
0
20
40
60
80
0.0
0
Figure 11. Supply Current vs. Input Voltage
1 mA
20 mA
50 mA
100 mA
I
OUT
= 150 mA
1
2
3
4
5
6
7
8
9
10
T
J
, JUNCTION TEMPERATURE (°C)
V
IN
, INPUT VOLTAGE (V)
Figure 12. Supply Current vs. Temperature
Figure 13. Output Voltage vs. Input Voltage,
1.5 V Version
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