SC453 Datasheet - Semtech Corporation

SC453 VID Programmed Single Phase Power Supply Controller

The SC453 IC is a single chip high-performance Hysteretic PWM controller. With its integrated SmartDriver™, it powers advanced graphics and core processors. It provides sleep mode and boot voltage support. Automatic "powersave" is present to prevent negative current flow in the low-side FET during l.

SC453 Features

* softstart, an open-drain PWRGD signal with power good blanking, and an enable input. Programmable current limiting shuts down the SC453 after 32 current limit pulses. SC453 Features High Speed Hysteretic Controller Single Phase Operation Selectable Analog or VID Controlled Sleep Setting 6 Bit VID

SC453_SemtechCorporation.pdf