SC1631 Просмотр технического описания (PDF) - Semtech Corporation
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SC1631 Datasheet PDF : 7 Pages
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LOW VOLTAGE STEP-UP
DC-DC CONVERTER
SC1631
January 29, 1998
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, TA = 25°C, VIN = 3.0V
Test Conditions
Parameter
Input Voltage
VIN
IL
Output Voltage
SC1631
SC1631-3
SC1631-5
IL = 200mA
Switch Off Current
No Load Current
SC1631/SC1631-3
SC1631-5
Shutdown Mode Current
Recovery Time from Shutdown
Efficiency
SC1631/SC1631-3
SC1631-5
VIN=2.5V
IL=200mA
IL=200mA
Line Regulation
SC1631
SC1631-3
SC1631-5
Load Regulation
SC1631/SC1631-3
SC1631-5
VIN=1.8 - 3.3V
VIN=1.8 - 3.0V
VIN=2.2 - 3.3V
IL=100mA
IL=10mA - 300mA
Oscillator Frequency
LBI Pin Trip Point
LBO “On Resistance”
VIN = 2V
SW “On Resistance”
SC1631/SC1631-3
SC1631-5
SW Off Leakage
Input Pin Bias Current
Output Pin Leakage
Test Limits
Min
Typ
Max
1.5
7.0
3.16
3.30
3.44
2.88
3.00
3.12
4.80
5.00
5.20
105
140
160
180
7
15
0.4
87
90
0.6
0.5
0.8
0.3
0.8
90
120
150
1.17
1.22
1.27
45
0.5
0.4
1
10
10
Units
V
V
µA
µA
µA
ms
%
%VOUT
%VOUT
kHz
V
Ω
Ω
µA
nA/Pin
nA/Pin
© 1997 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
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