Diodes AP3595 Manual do Utilizador descarregar pdf

AP3595

Document number: DS36749 Rev. 1 - 2

1 of 23

www.diodes.com

January 2014

AP3595

A Product Line of

Diodes Incorporated

DUAL PHASE SYNCHRONOUS RECTIFIED BUCK CONTROLLER

Description

The AP3595 is a compact dual phase synchronous rectified buck

controller specifically designed to deliver high quality output voltage.

This device operates at adjustable operation frequency and is

capable of delivering up to 60A output current.

This controller integrates internal MOSFET drivers that support

12V+12V bootstrapped voltage for high efficiency power conversion.

The bootstrap diode is built-in to simplify the circuit design and

minimize external part count.

The AP3595 features configurable gate driving voltage for maximum

efficiency and optimal performance. The built-in bootstrap diode

simplifies the circuit design and reduces external part count and PCB

space. The output voltage is precisely regulated to the reference input

that is dynamically adjustable by external voltage divider.

Other features include adjustable soft start, adjustable operation

frequency, and quick response to step-load transient. With afore-

mentioned functions, the IC provides customers a compact, high

efficiency, well-protected and cost-effective solution.

This IC is available in U-QFN4040-24 package.

Features

 Operate with Single Supply Voltage

 Simple Single Loop Voltage Mode Control

 12V+12V Bootstrapped Drivers with Internal Bootstrap Diode

 Adjustable Over Current Protection by DCR

 Current Sensing

 Adjustable Current Balancing by R

DS(ON)

Current Sensing

 Adjustable Operation Frequency from 50kHz to 1MHz Per Phase

 External Compensation

 Dynamic Output Voltage Adjustment

 Adjustable Soft Start

 U-QFN4040-24 Package

 RoHS Compliant and 100% Lead (Pb)-free

 Totally Lead-free & Fully RoHS Compliant (Note1 & 2)

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

Pin Assignments

(Top View)

LG2

PHASE2

HG2

BOOT2

VID

RSET

PSI

CSP

CSN

EAP

FBRTN

COMP

IOFS

RT/EN

VREF

REFIN

VCC

PVCC

LG1

PHASE1

HG1

BOOT1

Pin 1 Mark

7 8 9 11 12

192021222324

U-QFN4040-24 (FN Package)

Applications

 Middle-High End GPU Core Power

 High End Desktop PC Memory Core Power

 Low Output Voltage, High Power Density

 DC-DC Converters

 Voltage Regulator Modules

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.

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Resumo do Conteúdo

Página 1 - Pin 1 Mark

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Página 2 - Typical Applications Circuit

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Página 3 - Pin Descriptions

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Página 4 - Functional Block Diagram

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Página 8 - Temperature (

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Página 11 - A1210RII

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Página 13 - RVVI /)5.12( 

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Página 14 - Diodes Incorporated

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Página 15 - GainGainGain 

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Página 17 - RIV 

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Página 21 - PIN # 1 IDENTIFICATION

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