DER-660 is a high-line input flyback converter design added with a switched valley-fill PFC circuit. Through the PFC circuit, the design meets the high power factor requirement in LED lighting ...
The LT3751 flyback controller charges capacitors to voltages as high as 1,000 V. It drives an external n-channel MOSFET and can charge a 1,000-µF capacitor to 500 V in less than 1 s, suiting it for ...
For flyback power supplies that need long holdup times, a technique called on-time extension maintains regulation with less bulk input capacitance than would be required with conventional, ...
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