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| L11830_1110 Datasheet, PDF (5/6 Pages) Unisonic Technologies – 3A LOW DROPOUT LINEAR REGULATOR | |||
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L11830
Preliminary
CMOS IC
 ABSOLUTE MAXIMUM RATING (TA=25°С)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VIN
7
V
Power Dissipation
PD
Internally limited
mW
Junction Temperature
TJ
+150
°С
Operation Temperature
TOPR
-40 ~ +125
°С
Storage Temperature
TSTG
-65 ~ +150
°С
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
SYMBOL
θJA
θJC
 ELECTRICAL CHARACTERISTICS
RATINGS
64
4
UNIT
°C/W
°C/W
(VIN = VOUT + 1V whichever is greater, CIN =0.1µF, COUT =2.2µF(Ceramic), TA= 25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Input Voltage
Output Voltage Accuracy
VIN
VOUT
TAï¼25°С , IOUT= 1mA ~3A
TAï¼0~85°С, IOUT= 1mA~3A
Note1
-2
-3
6
V
2
%
3
Maximum Output Current
Short-Circuit Current Limit
Short-Circuit Current
Ground Pin Current
Dropout Voltage (Note 2 )
Line Regulation
IOUT
ILIMIT
ISC
IGND
VD
ÎVOUT
ÎVIN Ã VOUT
VOUT>1.2V
VOUT<0.4V
IOUT = 0mA
IOUT= 1mA to 3A
1.5V<=VOUT<=1.8V
IOUT=3A 1.8V<VOUT<2.5V
2.5<=VOUT
VIN=VOUT+VD~6V
3
A
4.5
A
1
A
60
350
µA
60
1000
700 mV
600
0.08 0.18 %/V
Load Regulation
Output Voltage Noise
ÎVOUT
eN
VIN=VOUT+1V, IOUT=10mA~3A
f=10Hz to100kHz, COUT=2.2μF
0.25
30
1
%
µVRMS
Shutdown Supply Current
IOFF
SHDN =GND
2
10
µA
Power Supply Rejection
PSRR
IOUT=100mA
COUT=10μF
f=100Hz
f=1kHz
60
45
dB
Shutdown Threshold
VIH
VIL
2
V
0.4
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
TSHDN
DTSHDN
160
°С
50
Note: 1. VIN(MIN)= VOUT+ VDROPOUT
2. The dropout voltage is defined as VIN -VOUT, which is measured when VOUT is VOUT(NORMAL) Ã 98%
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R502-536.b
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