NCP5214A Datasheet - ON Semiconductor

NCP5214A - Notebook DDR Power Controller

Pin Symbol Description 1 VDDQEN VDDQ regulator enable input.

High to enable.

2 VTTEN VTT regulator enable input.

High to enable.

3 FPWM Forced PWM enable input.

Low to enable forced PWM mode and disable power *saving mode.

4 SS VDDQ Soft *start capacitor connection to gr

NCP5214A 2 in 1 Notebook DDR Power Controller The NCP5214A 2 in 1 Notebook DDR Power Controller is specifically designed as a total power solution for notebook DDR memory system.

This IC combines the efficiency of a PWM controller for the VDDQ supply with the simplicity of linear regulators for the VTT termination voltage and the buffered low noise reference.

This IC contains a synchronous PWM buck controller for driving two external NFETs to form the DDR memory

NCP5214A Features

* include soft

* start circuitries, undervoltage monitoring of supply voltage, VDDQ overcurrent protection, VDDQ overvoltage and undervoltage protections, and thermal shutdown. The IC is packaged in DFN22. Features

* Incorporates VDDQ, VTT Regulator, Buffered VREF

* Adjustable VD

NCP5214A_ONSemiconductor.pdf