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SC1633 数据表(PDF) 2 Page - Semtech Corporation

部件名 SC1633
功能描述  LOW VOLTAGE STEP-UP DC-DC CONVERTER
PDF  7 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC1633 数据表(HTML) 2 Page - Semtech Corporation

  SC1633 Datasheet HTML 1Page - Semtech Corporation SC1633 Datasheet HTML 2Page - Semtech Corporation SC1633 Datasheet HTML 3Page - Semtech Corporation SC1633 Datasheet HTML 4Page - Semtech Corporation SC1633 Datasheet HTML 5Page - Semtech Corporation SC1633 Datasheet HTML 6Page - Semtech Corporation SC1633 Datasheet HTML 7Page - Semtech Corporation  
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© 1997 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
LOW VOLTAGE STEP-UP
DC-DC CONVERTER
SC1633
January 29, 1998
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, T
A = 25°C, VIN = 3.0V
Parameter
V
IN
I
L
Min
Typ
Max
Units
Input Voltage
1.8
7.0
V
Output Voltage
SC1633
SC1633-3
SC1633-5
I
L = 70mA
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
SC1633/SC1633-3
SC1633-5
160
250
µA
Shutdown Mode Current
7
15
µA
Shutdown Recovery Time
V
IN=2.5V
I
L=70mA
1.8
msec
Efficiency
SC1633/SC1633-3
SC1633-5
I
L=70mA
87
86
%
Line Regulation
SC1633
SC1633-3
SC1633-5
V
IN=2.0 - 3.3V
V
IN=2.0 - 3.0V
V
IN=2.2 - 4.5V
I
L=40mA
0.6
0.6
0.5
%V
OUT
Load Regulation
SC1633/SC1633-3
SC1633-5
I
L=1mA - 70mA
0.6
0.5
%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”
SC1633/SC1633-3
SC1633-5
1.75
1.25
Ω
SW Off Leakage
1µA
Input Pin Bias Current
10
nA/Pin
Output Pin Leakage
10
nA/Pin



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