SC2545TSTRT View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC2545TSTRT

High Performance Wide Input Range Dual Synchronous Buck Controller

Semtech Corporation 

POWER MANAGEMENT

Typical Characteristics

CH1: TG1

CH2: BG1

CH3: TG2

CH4: BG2

SC2545

CH1:Vi

CH2:Ven

CH3:VSS

CH4:Vo

Gate waveform

CH1:TG

CH2:BG

CH3:VSS

CH4:Vo

Shut down by pulling down EN pin

voltage.

CH3:Vo

CH4:Io

Start up.

Vss

Vo1

Vo2

Transient response(0-5A).

CH1:TG

CH2:BG

CH3:TG

CH4:BG

“Peel off “Start up tracking by

tieing SS1 and SS2 together.

© 2005 Semtech Corp.

Over current protection (5A/10mV)

20

www.semtech.com

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