NCP1927 controller equivalent, combination power factor correction controller and flyback controller.
necessary for building a robust and compact PFC stage while minimizing the number of external components. The fixed−frequency current−mode flyback controller features a p.
Pin No. 1 2 Pin Name POVUV PFB Pin Description The gate drive is disabled while VPOVUV is below VUVP (300 mV typ) or above VOVP (2.5 V typ). This pin receives a portion of the pre−converter output voltage. This information is used for the regulation .
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