AOZ1025D Ver la hoja de datos (PDF) - Alpha and Omega Semiconductor

Número de pieza

componentes Descripción

Fabricante

AOZ1025D

EZBuck™ 8A Synchronous Buck Regulator

Alpha and Omega Semiconductor 

AOZ1025D

EZBuck™ 8A Synchronous Buck Regulator

General Description

The AOZ1025D is a high efficiency, simple to use, buck

regulator, capable of up to 8A with an external low side

MOSFET. The AOZ1025D works from a 4.75V to 16V

input voltage range,

The AOZ1025D comes in a 5 x 4 DFN-16 package and is

rated over a -40°C to +85°C ambient temperature range.

Features

 4.75 to 16V operating input voltage range

 Synchronous rectification: Integrated high side

MOSFET

 High efficiency: up to 95%

 Internal soft start

 Output voltage adjustable to 0.8V

 Up to 8A continuous output current

 Fixed 500kHz PWM operation

 Cycle-by-cycle current limit

 Short-circuit protection

 Thermal shutdown

 Small size 5 x 4 DFN-16 package

Applications

 Point of load DC/DC conversion

 Desktops/graphics cards

 PCIe graphics cards

 Set top boxes

 Blu-Ray and HD-DVD–recorders

 LCD TVs

Typical Application

VIN = 12V

C1, C2

22µF

Ceramic

RC

CC

5V DC

VIN

GOOD

EN

AOZ1025D LX

COMP

NGATE

AGND

FB

PGND

L1 2.2µH

VOUT

R1

C3, C4, C5

22µF

Ceramic

R2

Rev. 1.4 June 2012

Figure 1. 1.2V/8A Synchronous Buck Regulator

www.aosmd.com

Page 1 of 15

Share Link: