SC251EVB SEMTECH [Semtech Corporation], SC251EVB Datasheet - Page 6

• Manufacturer Part Number: SC251EVB
• Description: Step-down DC-DC Converter with Bias LDO for WCDMA Amplifi ers
• Manufacturer: SEMTECH [Semtech Corporation]

Block Diagram
POWER MANAGEMENT
© 2006 Semtech Corp.
2
7
4
5
3
1
6
VREF
VMODE
VDAC
GND
GD
VIN
EN
Generator
Function
Transfer
PWL
References
SENSE
Oscillator
Control Logic
Comparator
6
Error Amp.
Generator
PWM
Slope
Current
Sense
SENSE
PGND
VOUT
LX
10
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8
SC251