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SC198 Datasheet(PDF) 13 Page - Semtech Corporation

Part # SC198
Description  Dual DC-DC Buck Converter with High Current Capability
PDF  16 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC198 Datasheet(HTML) 13 Page - Semtech Corporation

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Typical Characteristics (Cont.)
Efficiency vs. Line @ V
OUT = 1.8V
Efficiency vs. Line @ V
OUT = 1V
50
60
70
80
90
100
2.7
3.7
4.7
Input (V)
300mA Load
30mA PWM
30mA PSAVE
Output Ripple for V
IN = 3.6V and
V
OUT = 1.8V @ IOUT = 10mA
Output Ripple for V
IN = 3.6V and
V
OUT = 1.8V @ IOUT = 50mA
20mV/div
2.0V/div
20mV/div
2.0V/div
400ns/div
400ns/div
10mV/div
10mV/div
VIN
VOUT
LX
VIN
VOUT
LX
PSAVE @ 50mA Load
PSAVE @ 30mA Load
4μs/div
4μs/div
50mV/div
50mV/div
2V/div
50mV/div
2V/div
50mV/div
VIN
LX
VOUT
VOUT
VIN
LX
13
© 2007 Semtech Corp.
www.semtech.com
SC198
POWER MANAGEMENT
50
60
70
80
90
100
2.7
3.7
4.7
Input (V)
300mA Load
30mA PWM
30mA PSAVE



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