SC2542 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC2542

High Performance Wide Input Range Dual Synchronous Buck Controller

Semtech Corporation 

POWER MANAGEMENT

Typical Characteristics

Gate waveform (SPWM Mode)

SC2542

Gate waveform (SKIP Mode)

Start up

CH1: TG1

CH2: BG1

CH2: TG2

CH2: BG2

CH1: TG1

CH2: BG1

CH2: TG2

CH2: BG2

Shutdown by pulling down SS pin voltage

CH1: TG

CH2: BG

CH3: Vss

CH4: Vo

Shutdown by pulling down EN/STBY pin voltage

Transient response (3 ~ 8A

CH1: TG

CH2: BG

CH3: Vss

CH4: Vo

CH1: Vi

CH2: Vcc

CH3: Vss

CH4: Vo

CH1: Vo

CH4: Io

 2005 Semtech Corp.

23

www.semtech.com

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