NCP4304B, NCP4304A Datasheet - ON Semiconductor

NCP4304B - Secondary Side Synchronous Rectification Driver

Pin No. Pin Name Function 1 VCC Supplies the driver 2 MIN_TOFF Minimum off time adjust 3 MIN_TON Minimum on time adjust 4 TRIG/DIS Forced reset input 5 CS Current sense of the SR MOSFET 6 COMP Compensation inductance connection 7 GND IC ground 8 DRV Gate driver output Pi.

NCP4304B Features

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

* Precise True Secondary Zero Current Detection with Adjustable Threshold

* Automatic Parasitic Inductance Compensation Input

* Typically 40 ns Turn off Delay from Current Sense

NCP4304A_ONSemiconductor.pdf