Diodes AP6502 Manuel d'utilisateur télécharger pdf

AP6502

Document Number: DS35423 Rev. 9 - 2

1 of 15

www.diodes.com

January 2013

NEW PRODUCT

P6502

340kHz 18V 2A SYNCHRONOUS DC/DC BUCK CONVERTER

Description

The AP6502 is a 340kHz switching frequency external compensated

synchronous DC/DC buck converter. It has integrated low R

DSON

high and low side MOSFETs.

The AP6502 enables continues load current of up to 2A with

efficiency as high as 95%.

The AP6502 features current mode control operation, which enables

fast transient response times and easy loop stabilization.

The AP6502 simplifies board layout and reduces space requirements

with its high level of integration and minimal need for external

components, making it ideal for distributed power architectures.

The AP6502 is available in a standard Green SO-8 and SO-8EP

package with exposed PAD for improved thermal performance and is

RoHS compliant.

Features

• V

4.7V to 18V

• 2A Continuous Output Current, 3A Peak

• V

OUT

Adjustable from 0.925V to 16V

• 340kHz Switching Frequency

• Programmable Soft-Start

• Enable Pin

• Protection

 OCP

 Thermal Shutdown

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

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

Pin Assignments

COMP

GND

( Top View )

SO-8EP

Figure 1 Package Pin Out

Applications

• Gaming Consoles

• Flat Screen TV Sets and Monitors

• Set Top Boxes

• Distributed power systems

• Home Audio

• Consumer Electronics

• Network Systems

• FPGA, DSP and ASIC Supplies

• Green Electronics

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 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.

Typical Application Circuit

Figure 2 Typical Application Circuit

0 0.4 0.8 1.2 1.6 2

LOAD CURRENT (A)

Efficiency vs. Load Current

EFFI

IEN

(

)

L = 10µH

V = 3.3V

OUT

100

V = 5V

V = 12V

1 2 3 4 5 6 ... 14 15

Résumé du contenu

Page 1 - AP6502

AP6502 Document Number: DS35423 Rev. 9 - 2 1 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502340kHz 18V 2A SYNCHRONOUS

Page 2

AP6502 Document Number: DS35423 Rev. 9 - 2 10 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Applications Informat

Page 3 - (Note 7) (@T

AP6502 Document Number: DS35423 Rev. 9 - 2 11 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Applications Informat

Page 4

AP6502 Document Number: DS35423 Rev. 9 - 2 12 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Applications Informat

AP6502 Document Number: DS35423 Rev. 9 - 2 14 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Ordering Information

Page 6 - L = 10µH

AP6502 Document Number: DS35423 Rev. 9 - 2 15 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Package Outline Dimensi

Page 7

AP6502 Document Number: DS35423 Rev. 9 - 2 16 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 IMPORTANT NOTICE DI

Page 8 - Current Limit Protection

AP6502 Document Number: DS35423 Rev. 9 - 2 2 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Pin Descriptions Pin

Page 9 - Compensation Components

AP6502 Document Number: DS35423 Rev. 9 - 2 3 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Absolute Maximum Ratin

Page 10 - Inductor

AP6502 Document Number: DS35423 Rev. 9 - 2 4 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Electrical Characteris

Page 11 - Output Capacitor

AP6502 Document Number: DS35423 Rev. 9 - 2 5 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Typical Performance Gra

Page 12 - External Bootstrap Diode

AP6502 Document Number: DS35423 Rev. 9 - 2 6 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Typical Performance Gra

Page 13 - (1) SO-8EP

AP6502 Document Number: DS35423 Rev. 9 - 2 7 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Typical Performance Ch

Page 14 - (2) SO-8

AP6502 Document Number: DS35423 Rev. 9 - 2 8 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Applications Informatio

Page 15 - NEW PRODUCT

AP6502 Document Number: DS35423 Rev. 9 - 2 9 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Applications Informat

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