high performance current mode resonant controller.
a dedicated output to drive the PFC controller. This feature together with dedicated skip mode technique further improves light load efficiency of the whole application. .
In applications where a PFC front stage is needed, the NCP1399 features a dedicated output to drive the PFC controller..
Pin No. Pin Name
Function
Pin Description
1
HV
High*voltage startup
Connects to rectified AC line or to bulk capacitor to perform functions of
current source input
Start*up Current Source and Dynamic Self*Supply
2 NC
Not connected
Increas.
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