L1183A Datasheet, PDF (5/6 Pages) Unisonic Technologies – 300mA CMOS LDO

L1183A
Preliminary
CMOS IC
 ELECTRICAL CHARACTERISTICS (T_A = 25°C, Unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Input Voltage
Line Regulation
Load Regulation
V_IN
Note1
6.5 V
∆VOUT
VOUT
V_IN=V_OUT+1~V_OUT+2
I_OUT=1mA
1.2V≤V_OUT≤1.4V
1.4V<V_OUT≤2.0V
2.0V<V_OUT<4.0V
-0.2
0.2
-0.15
0.15
-0.1 0.02 0.1
%
%
%
V_IN=V_OUT+1~V_OUT+1.5V
I_OUT=1mA
V_OUT=5.0V
-0.1 0.02 0.1 %
∆VOUT
VOUT
I_OUT=1mA~300mA
-1 0.2 1
%
Output Voltage Accuracy
I_OUT=1mA
I_OUT=300mA
-1.5
1.5 %
-2.5
2.5 %
Quiescent Current
I_Q
I_OUT=0mA
30 50 µA
Dropout Voltage
V_D
I_OUT=300mA
V_OUT=V_O(NOM)-2.0%
1.2V≤V_O(NOM)≤2.0V
2.4V<V_O(NOM)≤2.8V
2.8V<V_O(NOM)≤5.0V
1300
400 mV
300
Power Supply Ripple Rejection
PSRR
I_OUT=100mA
C_OUT=2.2µF
f=100Hz
f=1kHz
f=10kHz
60
dB
50
dB
20
dB
Output Voltage Noise
Output Current
Current Limit
Short Circuit Current (Note2)
Ground Pin Current
Temperature Coefficient of
Output Voltage
eN
I_OUT
I_LIMIT
I_SC
I_GND
T_CV_O
I_OUT=10mA,C_OUT=2.2µF,f=10Hz~100kHz
V_OUT>1.2V
V_OUT>1.2V
V_OUT<0.8V
I_OUT=1mA ~300mA
30
µV_RMS
300
mA
300 450
mA
150 300 mA
35
µA
30
ppm/°C
EN Input Threshold
V_EH V_IN=2.7V~6.5V
V_EL V_IN=2.7V~6.5V
2.0
V_IN
V
0
0.4 V
EN Input Bias Current
I_EH V_EN=V_IN, V_IN=2.7V~6.5V
I_EL V_EN=0V, V_IN=2.7V~6.5V
2.0 µA
0.5 µA
Shutdown Supply Current
I_SD V_IN=6.5V, V_O=0V, V_EN<V_EL
0.5 1 µA
Shutdown Output Voltage
V_SD I_O=0.4mA, V_EN<V_EL
0
0.4 V
Notes:1. V_IN(MIN) =V_OUT +V_D
2. To prevent the short circuit current protection feature from being prematurely activated, the input voltage
must be applied before a current source load is applied.
Notes: 1. V_IN(MIN) =V_OUT +V_D.
2. To prevent the short circuit current protection feature from being prematurely activated, the input voltage
must be applied before a current source load is applied.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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