AiT Semiconductor Inc.

www.ait-ic.com

AP8366

AC-DC PWM CONTROLLER

LOW STANDBY-POWER QUASI-RESONANT

PRIMARY-SIDE CONVERTER

REV1.2

- SEP 2017 RELEASED, SEP 2018 UPDATED -

- 2 -

PIN DESCRIPTION

Top View

Pin #

Symbol

Function

1

Power supply

2

NC

No connection

3

FB

The voltage feedback from auxiliary winding. Connected to resistor divider

from auxiliary winding reflecting output voltage.

4

CS

Current Sense Input

5, 6

SW

Avalanche-rugged power MOSFET Drain pin. The Drain pin is connected to

the primary lead of the transformer.

7

GND

Ground