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SC1631CS Fiches technique(PDF) 2 Page - Semtech Corporation

No de pièce SC1631CS
Description  LOW VOLTAGE STEP-UP DC-DC CONVERTER
PDF  7 Pages
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Fabricant  SEMTECH [Semtech Corporation]
Site Internet  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1631CS Fiches technique(HTML) 2 Page - Semtech Corporation

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



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