AOZ2263VQI-02中文资料万国半导体数据手册PDF规格书

General Description

The AOZ2263VQI-02 is a high-efficiency, easy-to-use

DC/DC synchronous buck regulators capable of

operation from a 4V to 28V input bus. The device is

capable of supplying 12A of continuous output current

with an output voltage adjustable from 0.8V to 1.05V by

controlling VID0 and VID1 signals.

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 devices feature multiple protection functions such as

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

output over-voltage protection, short-circuit protection,

and thermal shutdown.

The AOZ2263VQI-02 is available in a 4mm×4mm QFN-

22L package and is rated over a -40°C to +85°C ambient

temperature range.

特性 Features

 Wide input voltage range:

– 4V to 28V

 12A continuous output current

 2 bits programmable output voltage adjustable from

0.8V to 1.05V

 Low RDS(ON) internal NFETs

– 11m high-side

– 7m low-side

 Constant On-Time with input feed-forward

 Ripple Reduction at light load

 Remote sense

 Low Power Mode

 Ceramic capacitor stable

 Fixed soft start

 Power Good output

 Integrated bootstrap diode

 Cycle-by-cycle current limit

 Short-circuit protection

 Over voltage protection

 Thermal shutdown

 Thermally enhanced 22-pin 4m×4m QFN

Applications

 Portable computers

 Compact desktop PCs

 Servers

 Graphics cards

 Set top boxes

 LCD TVs

 Cable modems

 Point of load dc/dc converters

 Telecom/Networking/Datacom equipment