NCP4303B, NCP4303A Datasheet - ON Semiconductor

NCP4303B - 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/Disable 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 Pin D.

NCP4303B 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

NCP4303A_ONSemiconductor.pdf