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DC/DC Flyback

Other Parts Discussed in Thread: NE555, UCC28C43

Hi,

Currently I am designing a DC DC flyback converter:

Vin =0-12V

Vout = 0-2000V with very low current (0.75mA)

For build this I have a flyback transformer with follow specifications.

(EE16/11/4 THT;  Ui = 8V;  Uo1 = 1800V/0.01A;  f = 45kHz)

And actually I am using a NE555 to generate PWM (45Khz), but i would like to know if there are others IC that can be done the same but more efficiently.

Thanks,

Edgar