BD9893F controller equivalent, dc-ac inverter controller.
Pin Name RT SRT FB IS VS GND DUTY BCT COMP SCP SS STB N2 PGND N1 VCC
Pin No.
+
OSC STB STB BLOCK BOSC
Function External resistor from RT to GND for adjusting the internal triangle oscillator External resistor from SRT to RT for adjusting the intern.
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