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EP53A7HQI PDF预览

EP53A7HQI

更新时间: 2024-10-29 01:09:07
品牌 Logo 应用领域
阿尔特拉 - ALTERA /
页数 文件大小 规格书
19页 998K
描述
1A PowerSoC Light Load Mode Buck Regulator with Integrated Inductor

EP53A7HQI 数据手册

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Enpirion® Power Datasheet  
EP53A7LQI/EP53A7HQI 1A PowerSoC  
Light Load Mode Buck Regulator  
with Integrated Inductor  
Description  
Features  
The EP53A7xQI (x = L or H) is a 1000mA  
PowerSOC. The EP53A7xQI integrates MOSFET  
switches, control, compensation, and the  
magnetics in an advanced 3mm x 3mm QFN  
Package.  
Integrated Inductor Technology  
3mm x 3mm x 1.1mm QFN package  
Total Solution Footprint < 21mm2  
Low VOUT ripple for RF compatibility  
High efficiency, up to 94%  
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 21mm2.  
1000mA 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 EP53A7xQI 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 VOUT settings.  
VOUT Range 0.6V to V – 0.5V  
IN  
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. EP53A7LQI further has  
the option to use an external voltage divider.  
Application  
Portable wireless and RF applications  
The EP53A7xQI offers the optimal combination  
of very small solution footprint and advanced  
performance features.  
Solid state storage applications  
Space constrained applications requiring high  
efficiency and very small solution size  
3.5mm  
100 ohm  
4.7uF  
VOUT  
100 Ohm  
PVIN  
VOUT  
VIN  
VSENSE  
AVIN  
ENABLE  
LLM  
10µF  
4.7µF  
VFB  
VS0  
EP53A7xQI  
6mm  
VS1  
VS2  
AGND  
PGND  
10uF  
Figure 2: Typical Application Schematic  
Figure 1: Total Solution Footprint  
www.altera.com/enpirion  
01543  
October 11, 2013  
Rev D  

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