DAP018A controller equivalent, pwm current-mode controller.
the device takes advantage of the auxiliary winding negative swing to let the user adjust the maximum power the converter can deliver in high line conditions (OPP). When.
* High Power ac−dc Converters for TVs, Set−top Boxes etc.
* Offline Adapters for Notebooks
14 1 x A WL Y WW G S.
A resistive divider from the auxiliary winding to this pin sets the OPP compensation level. This pin offers an over−voltage protection input. Wiring a capacitor to ground helps selecting the timer duration. This pin offers a way to adjust the frequen.
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