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LR1143G-XX-AF5-R Datasheet(PDF) 3 Page - Unisonic Technologies

Part # LR1143G-XX-AF5-R
Description  High power supply rejection ratio
PDF  4 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LR1143G-XX-AF5-R Datasheet(HTML) 3 Page - Unisonic Technologies

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LR1143
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 4
www.unisonic.com.tw
QW-R102-056.E
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Input Voltage
VIN
6
V
EN Input Voltage
6
V
Power Dissipation (TA=25°C)
PD
0.4
W
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 (Note 3)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Ambient Temperature Range
TA
-20
85
°C
Note: The device is not guaranteed to function outside its operating conditions.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Junction to Ambient
θJA
260
°C/W
Note: θJA is measured in the natural convection at TA=25°C on a low effective thermal conductivity test board of
JEDEC 51-3 thermal measurement standard.
ELECTRICAL CHARACTERISTICS
(VIN=3.7V,TA=25°C, CIN=COUT=1μF, IOUT=20mA, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage Range
VIN
3.0
5.5
V
Reference Voltage
VREF
1.188 1.200 1.212
V
Quiescent Current
IQ
IOUT=0mA
35
50
μA
Shutdown Current
ISHDN
VEN=0V
0.7
1.5
μA
Current Limit
ILIM
3.0V≤VIN< 5.5V
400
650
mA
Dropout Voltage
VDROP
IOUT=400mA
800
mV
Load Regulation
∆VLOAD
1mA< IOUT<400mA
3.0V ≤ VIN<5.5V
1
%
Line Regulation
∆VLINE
VIN=(VOUT + 0.5V)~5.5V,
IOUT=1mA
0.01
0.2
%/V
Logic-Low Voltage
VIL
0
0.6
V
EN Threshold
Logic-High Voltage
VIH
1.6
5.5
V
EN Pin Current
IEN
0.1
1
μA
FB Pin Current
IFB
0.1
1
μA
f=1kHz, IOUT=10mA
67
dB
Power Supply Rejection Ratio
PSRR
f=10kHz, IOUT=10mA
56
dB
Output Noise Voltage
VON
VOUT=1.5V, COUT=1μF,
IOUT=0mA
30
μVRMS



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