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L11810_12 Datasheet, PDF (3/4 Pages) Unisonic Technologies – 1A CMOS LOW DROPOUT VOLTAGE
L11810
Preliminary
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
1.2
A
Power Dissipation
PD
900
mW
Junction Temperature
TJ
125
°C
Operating Temperature
TOPR
- 40 ~ +85
°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.
„ THERMAL DATA
PARAMETER
Junction to Ambient
Junction to Case (Note)
Note: Measure θJC on backside center of tab
SYMBOL
θJA
θJC
RATINGS
120
25
„ ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise specified.)
UNIT
°C/W
°C/W
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Input Voltage
Output Voltage Accuracy
Line Regulation
Load Regulation
VIN
VOUT
ΔVOUT
VOUT
ΔVOUT
VOUT
IOUT =1mA
IOUT =1mA,
VIN=VOUT+1~VOUT+2
1.8V≤VOUT≤2.0V
2.0V<VOUT<4.0V
VOUT≥4.0V
IOUT =1mA~1000mA
Note1
7
V
-1.5
1.5 %
-0.15
0.15 %
-0.1 0.02 0.1 %
-0.4 0.2 0.4 %
0.4 1.2 %
Output Current
Current Limit
Short Circuit Current
IOUT
ILIMIT
ISC
VOUT≥1.8V
VOUT≥1.8V
VOUT<0.8V
1000
mA
1100
mA
400 800 mA
Quiescent Current
IQ
IOUT=0mA
30 50 µA
Ground Pin Current
Dropout Voltage
IGND
VD
IOUT =1mA~1000mA
1.8V≤VOUT(NOM)≤2.0
V
IOUT=1A
VOUT=VOUT(NOM)
-2.0% 2.0V<VOUT(NOM)≤2.8
V
35
µA
1700 mV
1200 mV
2.8V<VOUT(NOM)
1000 mV
Over Temperature Shutdown
OTS
150
°C
Over Temperature Hysteresis
OTH
30
°C
Temperature Coefficient of
Output Voltage
TCVO
30
ppm/°C
Power Supply Ripple
Rejection
PSRR IOUT=100mA
CO =2.2µF
f=100Hz
f=1kHz
f=10kHz
60
dB
50
dB
20
dB
Output Voltage Noise
eN IOUT=10mA, COUT=2.2μF, f=10Hz~100kHz
30
µVRMS
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
3 of 4
QW-R502-329.d