NCP81042 Datasheet (ON Semiconductor) - Precise Low Voltage Synchronous Buck Controller

NCP81042, Precise Low Voltage Synchronous Buck Controller

Pin No.

Symbol 1 VCCP 2 LG 3 LX 4 BOOT 5 UG 6 PGOOD 7 SYNC 8 COMP 9 FB 10 VSEN 11 FBG 12 CSN/VO 13 CSP 14 ROSC/EN 15 VCC 16 GND THERMAL PAD Description Power supply for bottom gate MOSFET drivers Bottom gate MOSFET driver pin Switch node Supply rail for the float

NCP81042 Precise Low Voltage Synchronous Buck Controller with Power Saving Mode The NCP81042 is a simple single phase solution with differential phase current sensing, power saving operation, and gate drivers to provide accurately regulated power.

The adaptive non overlap gate drive and power saving operation circuit provide a low switching loss and high efficiency solution for server, notebook, and desktop systems.

A high performance operational error amplifier is provided to simplify compensa

NCP81042 Features

* also include soft

* start sequence, accurate overvoltage and over current protection, UVLO for VCC and VCCP, and thermal shutdown. Features

* High Performance Operational Error Amplifier

* Internal Soft

* Start/Stop

* ±0.5% Internal Voltage Accuracy, 0.8 V voltage