sc2545 Semtech Corporation, sc2545 Datasheet - Page 20

• Manufacturer Part Number: sc2545
• Description: Sc2545 High Performance Wide Input Range Dual Synchronous Buck Controller
• Manufacturer: Semtech Corporation

© 2005 Semtech Corp.
POWER MANAGEMENT
Typical Characteristics
“Peel off “Start up tracking by
tieing SS1 and SS2 together.
Gate waveform
Start up.
CH1:TG
CH2:BG
CH3:VSS
CH4:Vo
CH1: TG1
CH2: BG1
CH3: TG2
CH4: BG2
Vss
Vss
Vo1
Vo1
Vo2
Vo2
20
Transient response(0-5A).
Shut down by pulling down EN pin
Over current protection (5A/10mV)
voltage.
www.semtech.com
SC2545
CH1:Vi
CH2:Ven
CH3:VSS
CH4:Vo
CH3:Vo
CH4:Io
CH1:TG
CH2:BG
CH3:TG
CH4:BG