* a timer-based fault detection circuitry that ensures a quasi-flat overload detection, independent of the input voltage. Features
* Fixed-Frequency 65-kHz or 100-kHz Current-Mode Control Operation
* Frequency Foldback Down to 26 kHz and Skip Mode to Maximize Performance in Light Load
NCP1239
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Fixed frequency current-mode controller.
DATA SHEET www.onsemi.com Fixed Frequency Current‐Mode Controller for Flyback Converter NCP1239 The NCP1239 is a fixed-frequency current-mode control.
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