sc2544 Semtech Corporation, sc2544 Datasheet - Page 20

• Manufacturer Part Number: sc2544
• Description: Sc2544 High Performance Wide Input Range Dual Synchronous Buck Controller
• Manufacturer: Semtech Corporation

© 2005 Semtech Corp.
POWER MANAGEMENT
Typical Characteristics
Ratiometric start up(connect
Sequential start up (Seperate
Gate waveform
SS1,SS2 together).
SS1,SS2).
CH1: EN
CH1: EN
CH2: VO1
CH2: VO1
CH3: VO2
CH3: VO2
CH1: TG1
CH2: BG1
CH3: TG2
CH4: BG2
CH1: EN
CH1: EN
CH2: VO1
CH2: VO1
CH3: VO2
CH3: VO2
20
Transient response(0-5A).
Shut down by pulling down EN pin
Over current protection (5A/10mV)
voltage.
www.semtech.com
SC2544
CH1:Vi
CH2:Ven
CH3:VSS
CH4:Vo
CH3:Vo
CH4:Io
CH1:TG
CH2:BG
CH3:TG
CH4:BG