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UCC24624: ucc24624

Part Number: UCC24624

Dear sir,

We are using UCC24624 as Dual channel synchronous rectifier controller for Phase shift full bridge converter with Following Specifications:

Vin: 30V -72V;

Vout: 14.5V;

Iout: 50A;

MOSFET part No: TK72E12N1 (Rdson: 3.6m ohm)

we are not getting Vg1 and Vg2 pulses when we have loaded (loaded till 15A) and MOSFET is operating in Diode mode.

our observations are as Follows:

Vdd: 14.5V

Vd1: 14.48V

Vd2: 14.24V

So, we are requesting you to give the suggestion to get the Synchronous rectifier gate pulses and Operate the Synchronous rectifier in MOSFDT mode.

Thanks & Regards,

Aslam