Datasheet > EVB-EP5357LUI

EVB-EP5357LUI

更新时间： 2024-11-06 01:21:19

品牌	Logo	应用领域
阿尔特拉 - ALTERA		/
页数	文件大小	规格书
19页	879K
描述
600mA PowerSoC Synchronous Buck Regulator With Integrated Inductor

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EVB-EP5357LUI 数据手册

Enpirion^®Power Datasheet

EP5357xUI 600mA PowerSoC

Synchronous Buck Regulator

With Integrated Inductor

Description

Features

The EP5357xUI (x = L or H) is a 600mA

PowerSoC. The EP5357xUI integrates MOSFET

switches, control, compensation, and the

magnetics in an advanced 2.5mm x 2.25mm

QFN Package.

• Integrated Inductor Technology

• 2.5mm x 2.25mm x 1.1mm package

• Total Solution Footprint 14mm²

• Low V_OUTripple for RF compatibility

• High efficiency, up to 93%

Integrated magnetics enables a tiny solution

footprint, low output ripple, low part-count, and

high reliability, while maintaining high efficiency.

The complete solution can be implemented in as

little as 14mm².

• 600mA continuous output current

• 55µA quiescent current

• Less than 1µA standby current

A proprietary light load mode (LLM) provides high • 5 MHz switching frequency

efficiency in light load conditions.

• 3 pin VID for glitch free voltage scaling

The EP5357xUI uses a 3-pin VID to easily select

the output voltage setting. Output voltage

settings are available in 2 optimized ranges

providing coverage for typical V_OUTsettings.

• V_OUTRange 0.6V to V – 0.25V

• Short circuit and over current protection

• UVLO and thermal protection

• IC level reliability in a PowerSOC solution

The VID pins can be changed on the fly for fast

dynamic voltage scaling. EP5357LUI further has

the option to use an external voltage divider.

Application

• Wireless and RF applications

• Wireless broad band data cards

• Smart phone and portable media players

• Advanced Low Power Processors, DSP, IO,

Memory, Video, Multimedia Engines

AVIN

PVIN

VOUT

4.7uF

EP5357LUI

10uF

EP5357xUI

VSENSE

VSO

VS1

VS2

VFB

ENABLE

LLM

AGND

PGND

4.75mm

Figure 1: Total Solution Footprint.

Figure 2: Typical Application Schematic.

www.altera.com/enpirion

03409

October 11, 2013

Rev E

12 3 4 5 6 7...19

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