AN5534CN VERTICAL DRIVER
pin1 =VCC1
pin2 =TRIGGER IN
pin3 =RAMP GENERATOR
pin4 =50/60HZ SW
pin5 =SAW TOOTH WAVE GENERATION
pin6 =FEEDBACK IN
pin7 =VCC2
pin8 =PUMP UP
pin9 =GROUND
pin10=OUTPUT
pin11=output stage VCC
pin12=OSCILLATOR

Sumber: tata electric