Diodes AP3107Z Manuel d'utilisateur télécharger pdf

AP3107Z

Document number: DS36677 Rev. 2 - 1

1 of 11

www.diodes.com

November 2013

AP3107Z

A Product Line of

Diodes Incorporated

HIGH VOLTAGE GREEN MODE PWM CONTROLLER

Description

The AP3107Z is the high voltage start-up, current mode PWM

controller with green mode power-saving operation.

To minimize the standby power consumption, a proprietary adaptive

green mode function provides frequency modulation at light load

conditions. To avoid acoustic noise problems, the minimum PWM

frequency is set at about 26kHz.

The AP3107Z features proprietary frequency dithering function

internally that helps to reduce EMI emission of a power supply with

minimum line filters used.

The AP3107Z also integrates a lot of functions such as Leading-Edge

Blanking (LEB) of the current sensing, internal slope compensation,

line compensation and several protection features. The protection

functions include cycle-by-cycle current limit (OCP), over voltage

protection, OTP, OLP and brownout protection.

The AP3107Z is available in SO-7 package.

Features

• High-voltage Start-up Circuit

• Low Start-up Current: 15μA Max.

• Fixed Oscillation Frequency: 65kHz

• Ultra Low Standby Power Application

• Non-audible-noise Green Mode Control

• LEB (Leading-edge Blanking) on SENSE Pin

• Soft Driving

• Fast OCP for Abnormal Short Circuit

• Frequency Linearly Decreasing at Light Load

• Internal Slope Compensation

• Programmable Brownout Protection

• Useful Pin Fault Protections

• SENSE, FB Pins Floating

• FB Short to Ground

• Comprehensive System Protections

• VCC Over Voltage Protection (VOVP)

• Over Temperature Protection (OTP)

• Constant Over Load Protection (COLP)

• Short Circuit Protection (SCP)

• Compact Size SO-7 Package

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

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

Pin Assignments

(Top View)

SO-7

Applications

• Switching AC/DC Adaptor

• LCD Monitor/TV Power

• Open Frame Switching Power Supply

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html 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.

BNO

SENSE

GND

GATE

VCC

1 2 3 4 5 6 ... 10 11

Résumé du contenu

Page 1 - (Top View)

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Page 3 - Functional Block Diagram

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Page 7 - Ambient Temperature (

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