Datasheet > AOZ1233QI-01

AOZ1233QI-01

更新时间： 2024-11-14 12:52:39

品牌	Logo	应用领域
美国万代 - AOS		稳压器
页数	文件大小	规格书
17页	793K
描述
28V/8A Synchronous EZBuckTM Regulator

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AOZ1233QI-01 数据手册

AOZ1233-01

28V/8A Synchronous EZBuck^TMRegulator

General Description

Features

The AOZ1233-01 is a high-efficiency, easy-to-use DC/DC

synchronous buck regulator that operates up to 28V.

The device is capable of supplying 8A of continuous

output current with an output voltage adjustable down to

0.8V (±1.0%).



Wide input voltage range

– 2.7V to 28V



8A continuous output current

Output voltage adjustable down to 0.8V (±1.0%)

Low R

internal NFETs

DS(ON)

The AOZ1233-01 integrates an internal linear regulator

– 25m high-side

to generate 5.3V V from input. If input voltage is lower

– 10m low-side SRFET™

Constant On-Time with input feed-forward

Programmable frequency up to 1MHz

Internal 5.3V/20mA linear regulator

Ceramic capacitor stable

than 5.3V, the linear regulator operates at low drop-

output mode, which allows the V voltage is equal to



input voltage minus the drop-output voltage of the

internal linear regulator.

A proprietary constant on-time PWM control with input

feed-forward results in ultra-fast transient response while

maintaining relatively constant switching frequency over

the entire input voltage range. The switching frequency

can be externally programmed up to 1MHz.

Adjustable soft start

Power Good output

Integrated bootstrap diode

Cycle-by-cycle current limit

Short-circuit protection

The device features multiple protection functions such as

under-voltage lockout, cycle-by-current limit, output

Thermal shutdown

over-voltage protection, short-circuit protection, as well

as thermal shutdown.

Thermally enhanced 5mm x 5mm QFN-30L package

The AOZ1233-01 is available in a 5mm x 5mm QFN-30L

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

temperature range.

Applications



Portable computers

Compact desktop PCs

Servers

Graphics cards

Set-top boxes

LCD TVs

Cable modems

Point-of-load DC/DC converters

Rev. 1.2 October 2012

www.aosmd.com

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