UM3730_15 Datasheet, PDF (5/11 Pages) Union Semiconductor, Inc. – 150mA, Micropower, Low Dropout Linear Regulator

UM3730
Electrical Characteristics
V_IN=V_EN=V_OUT+1V, C_IN=C_OUT=1μF, T_A=25°C.
Symbol
Parameter
Test Conditions
Min Typ Max Unit
V_IN
V_OUT
I_Q
Input Voltage Range
Output Voltage
Range
Operating Quiescent
Current
I_OUT=0mA
2.5
5.5
V
1.0
3.3
V
29 39
μA
I_SHDN
Shutdown Leakage
Current
1
μA
I_EN
Enable Input
Current
V_EN=V_IN or GND
1
μA
I_OUT
Output Current
Output Voltage
Accuracy
150
I_OUT=150mA
-2.0
mA
+2.0 %
I_OUT=50mA, V_OUT≥2.8V
55 110 mV
ΔV_DO
Dropout Voltage
I_OUT=150mA, V_OUT≥2.8V
I_OUT=50mA, V_OUT <2.8V
155 310 mV
60 135 mV
I_LIMT
Output Current
Limit
I_OUT=150mA, V_OUT <2.8V
180 380 mV
V_OUT =0V
200 325 500 mA
t
Startup Time
Response
I_OUT=150mA, C_OUT=1μF
30
μs
V_IL
Enable Input Low
Voltage
V_IN=2.5V to5.5V
0.4
V
V_IH
Enable Input High
Voltage
V_IN=2.5V to5.5V
1.2
V
Output Voltage TC
100
ppm/°C
T_SHDN
Thermal-Shutdown
Temperature
160
°C
ΔT_SHDN
Thermal-Shutdown
Hysteresis
20
°C
LNR
LDR
Line Regulation
Load Regulation
Output Voltage
Noise
V_OUT+1V≤V_IN≤5.5V
(V_IN≥2.5V)
I_OUT=10mA
V_IN=V_OUT+1V (V_IN≥2.5V)
1mA≤I_OUT≤150mA
V_OUT=1.8V,
10Hz to 100kHz
C_IN=1μF, I_OUT=100mA
0.1 0.3 %/V
0.8 1.5
%
220
μV_RMS
PSRR
Power Supply
Ripple Rejection
V_IN=V_OUT+1V
(V_IN≥2.5V)
I_OUT=100mA
f=1kHz
f=10kHz
45
30
dB
Auto-Discharge
Resistance
V_IN=3.6V,
V_EN=0V
10
Ω
________________________________________________________________________
http://www.union-ic.com Rev.03 May.2015
5/11