AP1682 データシートの表示（PDF） - Diodes Incorporated.

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AP1682

SINGLE STAGE PRIMARY SIDE REGULATION PFC CONTROLLER FOR LED DRIVER

Diodes Incorporated. 

NOT RECOMMENDED FOR NEW DESIGN

- USE AP1682EMTR-G1

AP1682

SINGLE STAGE PRIMARY SIDE REGULATION PFC CONTROLLER FOR LED DRIVER

Description

The AP1682 is a high performance AC/DC universal input Primary

Side Regulation Power Factor Controller for LED driver applications.

The device uses Pulse Frequency Modulation (PFM) technology to

regulate output current while achieving high power factor and low

THD.

The AP1682 provides accurate constant current (CC) regulation while

removing the opto-coupler and secondary control circuitry. It also

eliminates the need of loop compensation circuitry while maintaining

stability. The AP1682 achieves excellent regulation and high

efficiency, yet meets the requirement of IEC61000-3-2 harmonic

standard.

Pin Assignments

(Top View)

NC 1

VS 2

VPK 3

CS 4

8 VCC

7 OUT

6 GND

5 FB

The AP1682 features low start-up current, low operation current and

high efficiency. It also has rich protection features including over

voltage, short circuit, over current, over temperature protection etc.

The AP1682 is available in SOIC-8 package.

Features

 Primary Side Control for Output Current Regulation without

Opto-coupler and Secondary CV/CC Control Circuitry

 Low Start-up Current

 High Power Factor and Low THD for Universal Input Range

 Tight CC Regulation Performance for Universal Input Mains

Voltage Range

 Eliminates Control Loop Compensation Circuitry

 Built-in Acceleration Start

 Open-load and Reload Detection

 Over Voltage and Short Circuit Protection

 Over Temperature Protection

 Over Current Protection

 Cost Effective Total PFC LED Driver Solution

 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

 Halogen and Antimony Free. “Green” Device (Note 3)

SOIC-8

Applications

 Single Stage Power Factor Correction Power Supply for LED

Lighting

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.

2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and

Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

AP1682

Document number: DS40848 Rev. 2 - 3

1 of 11

www.diodes.com

March 2018

© Diodes Incorporated

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