NCP4307 Datasheet - ON Semiconductor

NCP4307 - Secondary Side Synchronous Rectification Driver

TSOP6 Pin Name Description 1 DRV Driver output for the SR MOSFET 2 GND Ground connection for the SR MOSFET driver and VCCL decoupling capacitor. GND pin should only be connected directly to the SR MOSFET source terminal/soldering point using Kelvin connection. 3 CS Current sense pin de.

DATA SHEET www.onsemi.com Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies NCP4307 1 TSOP 6 SN SUFFIX CASE 318G 02 The NCP4307 is high performance driver tailored to control a synchronous rectification MOSFET in switch mode power supplies. Thanks to its high performance drivers and versatility, it can be used in various topologies such as DCM or CCM flyback, quasi resonant flyback and forward. Internal minimum off time and on .

NCP4307 Features

* Self

* Contained Control of Synchronous Rectifier in CCM, DCM and QR for Flyback Applications

* Precise True Secondary Zero Current Detection

* Typically 15 ns Turn off Delay from Current Sense Input to Driver

* Rugged Current Sense Pin (up to 200 V)

NCP4307-ONSemiconductor.pdf