SC2545 Datasheet, PDF (20/24 Pages) Semtech Corporation – High Performance Wide Input Range Dual Synchronous Buck Controller

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
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