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| L1183B_12 Datasheet, PDF (4/7 Pages) Unisonic Technologies – 300mA CMOS LDO | |||
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L1183B
CMOS IC
 ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
8
V
Input, Output Voltage
GND - 0.3 ~ VIN + 0.3
V
Output Current
IOUT
PD / (VIN - VOUT)
mA
Power Dissipation
PD
400
mW
Operating Temperature
TOPR
-40 ~ +85
°C
Junction Temperature
TJ
-40 ~ +125
°C
Notes: 1. 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.
2. Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device.
 THERMAL DATA
PARAMETER
Junction to Ambient
Junction to Case
SYMBOL
θJA
θJC
RATINGS
140
280
UNIT
°C/W
 ELECTRICAL CHARACTERISTICS (TA = 25°C, VIN=5V unless otherwise specified)
PARAMETER
Input Voltage
Output Voltage
Dropout Voltage
Output Current
Current Limit
Short Circuit Current
Quiescent Current
Ground Pin Current
Line Regulation
Load Regulation
Over Temperature Shutdown
Over Temperature Hysterisis
VO Temperature Coefficient
Power Supply Rejection
Output Voltage Noise
ADJ Input Bias Current
ADJ Reference Voltage
EN Input Threshold
EN Input Bias Current
Note: VIN(MIN)=VOUT+VD
SYMBOL
VIN
VOUT
VD
IOUT
ILIMIT
ISC
IQ
IGND
REGLINE
REGLOAD
OTS
OTH
TC
PSRR
eN
IADJ
VREF
VEH
VEL
IEH
IEL
TEST CONDITIONS
IOUT=1mA
IOUT=300mA
1.2Vâ¤VO(NOM) â¤2.0V
VOUT=VONOM
2.0V<VO(NOM) â¤2.8V
-2.0%
2.8V<VO(NOM)<3.8V
VOUT>1.2V
VOUT>1.2V
VOUT<0.8V
IOUT=0mA
IOUT=1mA ~ 300mA
IOUT=5mA
VOUT < 2.0V
VIN=VO+1 ~ VO+2 VOUT ⥠2.0V
IOUT=1mA ~ 300mA
IOUT=100mA
CO=2.2μF
f=10Hz ~ 100kHz
IO=10mA,CBYP=0μF
f=1kHz
f=10kHz
f=100kHz
CO=2.2μF
VIN=2.7V ~ 7V
VIN=2.7V ~ 7V
VEN=VIN, VIN=2.7V ~ 7V
VEN=0V, VIN=2.7V ~ 7V
MIN
Note
-3
300
300
TYP MAX UNIT
7
V
3
%
1300
400 mV
300
mA
450
mA
150 300 mA
30 50 μA
35
μA
0.15 %
0.02 0.1 %
0.2 1
%
150
°C
30
°C
30
ppm/°C
50
20
dB
15
30
μVrms
1
μA
1.176 1.2 1.224 V
2.0
VIN
V
0
0.4 V
0.1 μA
0.5 μA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 7
QW-R502-422.B
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