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UM37550S Datasheet, PDF (6/12 Pages) Union Semiconductor, Inc. – 300mA, Micropower, VLDO Linear Regulator
UM375xx
Electrical Characteristics
VCC=VOUT+1V(VOUT≥1.5V) or VCC=2.5V(VOUT≤1.5V),TA= -40℃ to +85℃.
Symbol
Parameter
Test Conditions
Min Typ
VIN
Input Voltage
Range
2.0
VOUT
Output Voltage
Range
1.2
IQ
Operating
Quiescent Current
IOUT=0mA
IOUT=300mA
50
90
I__________
SHDN
SHDN ___________ Input
Current
SHDN=V ___________
IN
or
GND
IOUT
Output Current
300
Output Voltage
Accuracy
1mA≤IOUT≤300mA,
TA= -40℃ to +85℃
-2.5
ΔVDO
ILIMT
t
VIL
VIH
Dropout Voltage
Output Current
Limit
Startup Time
Response
SHDN ___________ Input Low
Voltage
SHDN ___________ Input High
Voltage
IOUT=100mA
RL=68Ω, COUT=1μF
150
330 450
40
0.6Vcc
Output Voltage TC
100
TSHDN
Thermal-Shutdown
Temperature
160
ΔTSHDN
Thermal-Shutdown
Hysteresis
35
Line Regulation
(VOUT>4.0V)
Line Regulation
(VOUT≤4.0V)
Load Regulation
VOUT+0.3V≤VIN≤6.0V or
VIN>2.5V
IOUT=10mA
(VOUT>4.0V)
VIN=VOUT+1V or VIN>2.5V
Load Regulation
1mA≤IOUT≤300mA
(VOUT≤4.0V)
10Hz to
UM37512
170
Output Voltage
Noise
100kHz
CIN=1μF,
UM37533
250
IOUT=10mA UM37550
295
PSRR
Power Supply
F=100Hz 40
Ripple Rejection
(VOUT>4.0V)
Power Supply
Ripple Rejection
VIN=VOUT+1V
or VIN>2.5V
IOUT=100mA
F=10KHz
F=100Hz
30
60
(VOUT≤4.0V)
F=10KHz 30
ESD Rating
Human Body Mode
2
Max Unit
6
V
5.0 V
120
130
μA
1
μA
mA
+2.5 %
200 mV
700 mA
μs
0.4 V
V
ppm/
℃
℃
℃
0.5
%/V
0.3
1.2
%
0.6
μVRMS
dB
KV
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http://www.union-ic.com Rev.05 Nov.2013
6/12