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L1183A Datasheet, PDF (4/5 Pages) Unisonic Technologies – 300mA CMOS LDO
L1183A
Preliminary
CMOS IC
„ ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
Input Voltage (EN,BYP)
VIN
-0.3~ +8
V
-0.3~ +8
V
Output Voltage
VOUT
-0.3~ VIN+0.3
V
Output Voltage
IOUT
PD / (VIN - VOUT)
mA
Power Dissipation
PD
400
mW
Junction Temperature
TJ
150
°C
Storage Temperature
TSTG
-65~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
„ RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
RATINGS
UNIT
Ambient Temperature
Ta
- 40~ +85
°C
Junction Temperature
Storage Temperature
„ THERMAL DATA
TJ
TSTG
- 40~ +125
°C
-65~ +125
°C
PARAMETER
SYMBOL
RATINGS
UNIT
Junction to Ambient
θJA
280
Junction to Case (Note)
θJC
140
Note: θJC on center of molding compound if IC has on tab
„ ELECTRICAL CHARACTERISTICS (Ta = 25°C, Unless otherwise specified)
°C/W
°C/W
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Input Voltage
Line Regulation
Load Regulation
VIN
ΔVOUT
VOUT
ΔVOUT
VOUT
VIN=VOUT+1~VOUT+2
IOUT=1mA
1.2V≤VOUT≤1.4V
1.4V<VOUT≤2.0V
2.0V<VOUT<4.0V
IOUT=1mA~300mA
Note1
6.5 V
-0.2
0.2 %
-0.15
0.15 %
-0.1 0.02 0.1 %
-1 0.2 1
%
Output Voltage Accuracy
Quiescent Current
Dropout Voltage
Power Supply Ripple
Rejection
IOUT=1mA
-1.5
1.5 %
IOUT=300mA
-2.5
2.5 %
IQ
IOUT=0mA
30 50 µA
VD
IOUT=300mA
1.2V≤VO(NOM)≤2.0V
VOUT=VO(NOM)-2.0% 2.4V<VO(NOM)≤2.8V
1300 mV
400 mV
PSRR IOUT=100mA
COUT=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
Over Temperature Shutdown
eN
IOUT
ILIMIT
ISC
IGND
OTS
IOUT=10mA,COUT=2.2µF,f=10Hz~100kHz,
VOUT>1.2V
VOUT>1.2V
VOUT<0.8V
IOUT=1mA ~300mA
30
300
µVRMS
mA
300 450
mA
150 300 mA
35
µA
150
°C
Over Temperature Hysteresis OTH
30
°C
Temperature Coefficient of
Output Voltage
TCVO
30
ppm/°C
EN Input Threshold
VEH VIN=2.7V~6.5V
VEL VIN=2.7V~6.5V
2.0
VIN
V
0
0.4 V
EN Input Bias Current
IEH VEN=VIN, VIN=2.7V~6.5V
IEL VEN=0V, VIN=2.7V~6.5V
0.1 µA
0.5 µA
Shutdown Supply Current
ISD VIN=5V, VO=0V, VEN<VEL
0.5 1 µA
Shutdown Output Voltage
VSD IO=0.4mA, VEN<VEL
0
0.4 V
Notes:1. VIN(MIN) =VOUT +VD
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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