Tool/software:
Hi TI,
i need to go with 360watts design input400vdc and output 120vdc.with PSFB UCC28951.frequency 100kHZ. what are the design steps i want to take? how to test and verify the UCC28951 and its PWM pulses verification.
i have an attached the full schematic. plz give a guidance.I means how to achieve the MORE EFFICIENT PROPER ZVS?
1....before the powerup the entire whole SMPS, how to verify and how to get all those PWM pulses?
2....I need basic understand with proper delay timing with the primary and secondary mosfets.
3.How to manage delay between AB, and E i means, primary secondary delay times.?
4. If i give excessive delay time 1uS means, what will happen in the transformer efficiency? why and when it need excessive delay?
5.magnetizing current will be affect the delay timing? is it need large delay time need for large magnetizing current?
6.And is it required airgap in transformer to adjust the primary inductance? already i have external series resonant inductor.
7..when it required the excessive delay time? that is required means worst condition or good condtion?
