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Active preload circuit for PSU

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bryanwizard

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active preload

hey guys, its been a long since I post a msg hir.

I wanna ask you if you can recommend any circuit regarding active preload resistor for SMPS PSU.

Or much better circuit to draw small amount of current during start - up.

Please do share such one.

I really need it badly..

rgds,
bryan lee
 

wow theirs no reponse...

anyway I already made a circuit and it really work.

rather than used a resistive load which decreses efficiency.

here's some detail reference:
 

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