AP8012 データシートの表示（PDF） - Unspecified

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AP8012

OFF LINE SMPS PRIMARY SWITCHER GREEN POWER

Unspecified 

AiT Semiconductor Inc.

www.ait‐ic.com

PIN DESCRIPTION

AP8012

OFF LINE SMPS PRIMARY SWITCHER

GREEN POWER

Pin #

1,2

3

4

5,6,7,8

Top View

Top View

Symbol

Function

GND Sense FET source terminal on primary side and internal control ground.

COMP Feedback input defines the peak drain MOSFET current.

Positive supply voltage input. Although connected to an auxiliary transformer

winding, current is supplied from SW via an internal switch during startup (see

VCC Internal Block Diagram section). It is not until VCC reaches them UVLO upper

threshold (14.5V) that the internal start-up switch opens and device power is

supplied via the auxiliary transformer winding.

The SW pin is designed to connect directly to the primary lead of the

SW

transformer and is capable of switching a maximum of 700V.

REV1.0 ‐NOV2008 Released ‐

‐2‐

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