L11810(2009) Просмотр технического описания (PDF) - Unisonic Technologies
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L11810 Datasheet PDF : 6 Pages
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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
Quiescent Current
Ground Pin Current
Dropout Voltage
Over Temperature Shutdown
IOUT
ILIMIT
ISC
IQ
IGND
VD
OTS
VOUT≥1.8V
1000
mA
VOUT≥1.8V
1100
mA
VOUT<0.8V
400 800 mA
IOUT=0mA
30 50 µA
IOUT =1mA~1000mA
35
µA
IOUT=1A
VOUT=VOUT(NOM)
-2.0%
1.8V≤VOUT(NOM≤2.0V
2.0V<VOUT(NOM≤2.8V
2.8V<VOUT(NOM)
1700 mV
1200 mV
1000 mV
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
4 of 6
QW-R502-329.b
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