6 A, 28 V Integrated Buck Regulator with 5 V LDO

FEATURES

• High efficiency > 95 %

• 6 A continuous output current capability

• Integrated bootstrap switch

• Integrated 5 V/200 mA LDO with bypass logic

• Temperature compensated current limit

• Pseudo fixed-frequency adaptive on-time control

• All ceramic solution enabled

• Programmable input UVLO threshold

• Independent enable pin for switcher and LDO

• Selectable ultra-sonic power-save mode

• Internal soft-start and soft-shutdown

• 1 % internal reference voltage

• Power good output and over voltage protection

• Halogen-free according to IEC 61249-2-21 definition

• Compliant to RoHS directive 2002/95/EC

APPLICATIONS

• Notebook, desktop and server computers

• Digital HDTV and digital consumer applications

• Networking and telecommunication equipment

• Printers, DSL and STB applications

• Embedded applications

• Point of load power supplies

SiC414引脚图(顶视图)

SiC414参考设计原理图