piclist 2001\01\19\051232a >
Thread: Design challenge - switching regulator
www.piclist.com/techref/power/priswitch.htm?key=switching
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face BY : Vasile Surducan email (remove spam text)



 So, again my ideea is good then ! You need a circuit just for power-up
the driver at the begining of the regulation process. A small oscillator
to keep the driver supply until the feedback regulation voltage may
supply continuously the driver.
 I don't understand how you manage one decade input voltage variation
(10...100V) but this is your business...
Vasile
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