Datasheet > AOZ3103

AOZ3103

更新时间： 2022-02-26 12:46:18

品牌	Logo	应用领域
美国万代 - AOS		/
页数	文件大小	规格书
13页	678K
描述
3A Synchronous EZBuckTM Regulator

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AOZ3103 数据手册

AOZ3103

3A Synchronous EZBuck^TMRegulator

General Description

Features

The AOZ3103DI is a current-mode step down regulator

with integrated high-side NMOS switch and low-side

NMOS switch that operates up to 18V. The device is

capable of supplying 3A of continuous output current with

an output voltage adjustable down to 0.8V (±1.5%).

 4.5V to 18V wide input voltage range

 Low R internal NFETs

DS(ON)

– 80m high-side

– 30m low-side

 Internal soft start

Features include, enable control, Power-On Reset, input

under-voltage lockout, output over-voltage protection,

internal soft-start and thermal shutdown.

 Output voltage adjustable down to 0.8V (±1.5%)

 3A continuous output current

 500kHz PWM operation

 Cycle-by-cycle current limit

 Ceramic capacitor stable

 Pre-bias start-up

The AOZ3103DI is available in a 3mm x 3mm DFN-8L

package and is rated over a -40°C to +85°C ambient

temperature range.

 Extensive protection features

 Small 3mm x 3mm DFN-8L package

Applications

 Point-of-load DC/DC converters

 LCD TVs

 Cable modems

Typical Application

12VIN

VCC

VIN

VCC

BST

RBST

CBST

3.3VOUT

LXS

AOZ3103DI

4.7μH

COMP

OUT

GND

Figure 1. 3A Synchronous Buck Regulator, Fs = 500KHz

Rev. 1.0 November 2014

www.aosmd.com

Page 1 of 13

12 3 4 5 6 7...13

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