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Part Name
Description
SC251 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC251
Step-down DC-DC Converter with Bias LDO for WCDMA Amplifiers
Semtech Corporation
'SC251' PDF : 19 Pages
View PDF
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POWER MANAGEMENT
Block Diagram
SC251
3
GD
1
VIN
References
SENSE
Current
Sense
VOUT
8
LX
10
2
VREF
7
GND
4
EN
Control Logic
PWM
Comparator
6
VDAC
5
VMODE
PWL
Transfer
Function
Generator
SENSE
Error Amp.
Oscillator
Slope
Generator
PGND
9
©
2006 Semtech Corp.
6
www.semtech.com
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