Datasheet > EVB-EP53A8LQI

EVB-EP53A8LQI

更新时间： 2024-10-01 01:19:59

品牌	Logo	应用领域
阿尔特拉 - ALTERA		/
页数	文件大小	规格书
14页	831K
描述
1A PowerSoC Synchronous Buck Regulator with Integrated Inductor

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EVB-EP53A8LQI 数据手册

Enpirion^®Power Datasheet

EP53A8LQI/EP53A8HQI 1A PowerSoC

Synchronous Buck Regulator

with Integrated Inductor

Description

Features

The EP53A8LQI and EP53A8HQI are a 1000mA

PowerSoC. The device integrates MOSFET

switches, control, compensation, and the

Inductor in an advanced 3mm x 3mm QFN

Package.

• Integrated Inductor Technology

• 3mm x 3mm x 1.1mm QFN package

• Total Solution Footprint ~ 21mm²

• Low V_OUTripple for IO compatibility

• High efficiency, up to 94%

Integrated inductor ensures the complete power

solution is fully characterized with the inductor

• 1000mA continuous output current

carefully

matched

the

silicon

and

• Less than 1µA standby current

• 5 MHz switching frequency

compensation network. It 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 21mm².

• 3 pin VID for glitch free voltage scaling

• V_OUTRange 0.6V to V – 0.5V

• Short circuit and over current protection

The EP53A8xQI uses a 3-pin VID to easily select

the output voltage setting.

Output voltage • UVLO and thermal protection

settings are available in 2 optimized ranges

providing coverage for typical V_OUTsettings.

• IC level reliability in a PowerSoC solution

Applications

The VID pins can be changed on the fly for fast

dynamic voltage scaling. EP53A8LQI further has

the option to use an external voltage divider.

• Portable wireless and RF applications

• Wireless broad band data cards

• Solid state storage applications

• Noise and space sensitive applications

3.5mm

100 ohm

4.7uF

V_OUT

100 Ohm

PVIN

V_OUT

V_IN

V_SENSE

AVIN

ENABLE

10µF

0805

4.7µF

V_FB

V_S0

V_S1

V_S2

0603

EP53A8xQI

6mm

AGND

PGND

10uF

Figure 1. Total Solution Footprint

Figure 2. Typical Application Circuit.

www.altera.com/enpirion

03651

September 17, 2013

Rev D

12 3 4 5 6 7...14

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