SC283 SEMTECH [Semtech Corporation], SC283 Datasheet - Page 11

• Manufacturer Part Number: SC283
• Description: Dual Channel 2.5MHz, 1.8A Synchronous Step-Down Regulator
• Manufacturer: SEMTECH [Semtech Corporation]

Block Diagram
© 2010 Semtech Corp.
VOUTA
VOUTB
CTL1A
CTL2A
CTL0A
CTL3A
CTL1B
CTL2B
CTL0B
CTL3B
VOUT
VOUT
AVIN
CTL0
CTL1
CTL2
CTL3
AVIN
CTL0
CTL1
CTL3
CTL2
Oscillator &
Oscillator &
Generator
Generator
Slope
Slope
Voltage
Voltage
Select
Select
Error Amp
Error Amp
500mV
500mV
Plimit Amp
Ref
Plimit Comp
Plimit Amp
Ref
Plimit Comp
AGND
AGND
11
Comp
PWM
Comp
PWM
Current Amp
Current Amp
Control
Control
Logic
Logic
VINA
LXA
LX
GNDA
PGND
VINB
LXB
GNDB
PVIN
LX
PGND
PVIN
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SC283