SC1628 데이터 시트보기 (PDF) - Semtech Corporation
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SC1628 Datasheet PDF : 4 Pages
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HIGH-EFFICIENCY STEP-UP
DC-DC CONVERTER
January 30, 1998
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, TA = 25°C, VIN = 13V
Parameter
Conditions
Min
Typ
Input Voltage
4
Quiescent Current
Shutdown Mode Current
VREF Voltage
VREF Source Current
DLOW “ON Resistance”
VFB = 1.5V
VSHDN = 0V
ISOURCE = 250µA
1.16
250
100
8
1.22
15
DHI “ON Resistance”
10
CL Threshold
Shutdown Threshold
VIN - VCL
45
60
0.8
1.5
Shutdown Input Leakage Current
VSHDN < 15V
TYPICAL APPLICATIONS
Color LCD Contrast Bias Supply
SC1628
Max
Units
24
V
200
µA
20
µA
1.28
V
µA
Ω
Ω
75
mV
2.4
V
1
µA
,
Flash Memory Programming Supply
,
© 1997 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
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