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SC250 Datasheet(PDF) 6 Page - Semtech Corporation

Part No. SC250
Description  Step-Down DC-DC Converter with Bias LDO for RF Power Amplifi ers
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Maker  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
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SC250 Datasheet(HTML) 6 Page - Semtech Corporation

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6
© 2006 Semtech Corp.
www.semtech.com
SC250
PRELIMINARY
POWER MANAGEMENT
Block Diagram
Control Logic
6
References
VIN
VREF
EN
GND
VDAC
PGND
LX
VOUT
SENSE
SENSE
Error Amp.
PWM
Comparator
Oscillator
Slope Generator
Current
Sense
1
2
8
3
4
7
5


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