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EP5388QI-T PDF预览

EP5388QI-T

更新时间: 2024-10-28 06:53:11
品牌 Logo 应用领域
ENPIRION 稳压器电感器
页数 文件大小 规格书
14页 296K
描述
800mA Synchronous Buck Regulator With Integrated Inductor 3mm x 3mm x 1.1mm Package

EP5388QI-T 数据手册

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EP5388QI  
800mA Synchronous Buck Regulator  
With Integrated Inductor  
3mm x 3mm x 1.1mm Package  
July 2008  
RoHS Compliant  
Halogen Free  
Product Overview  
Product Highlights  
The EP5388QI is a synchronous buck  
converter with integrated Inductor, PWM  
controller, MOSFETS, and Compensation  
providing the smallest possible solution size.  
The EP5388QI requires only two small MLCC  
capacitors to make a complete solution.  
Integration of the inductor greatly simplifies  
design, contains noise, reduces part count, and  
reduces solution footprint. Low output ripple  
ensures compatibility with RF systems.  
Featuring Integrated Inductor Technology  
3mm x 3mm x 1.1mm QFN package  
Only two low cost MLCC caps required  
4 MHz switching frequency  
High efficiency, up to 94%  
Up to 800mA continuous output current  
Wide 2.4V to 5.5V input range  
The EP5388QI operates at a switching  
frequency  
of  
4
MHz,  
enabling  
this  
unprecedented level of integration and small  
external components. Type III voltage mode  
control is used to provide high noise immunity  
and wide control loop bandwidth.  
The small footprint makes this part ideal for  
space constrained portable applications.  
Shutdown current of <1uA extends battery life  
Output voltage level is programmed via a 3-pin  
VID selector providing seven pre-programmed  
output voltages along with an option for  
external resistor divider.  
VOUT range 0.6V to VIN – 0.5V  
3-Pin VID output voltage programming  
100% duty cycle capable  
Less than 1 µA standby current  
Low VOUT ripple for RF compatibility  
Short circuit and over current protection  
UVLO and thermal protection  
Applications  
Noise Sensitive RF Applications  
Area Constrained Applications  
Wireless Data Applications  
RoHS compliant; MSL 3 260°C reflow  
Typical Application Circuit  
ENABLE  
VSense  
VOUT  
Portable Gaming Devices  
VIN  
Vin  
Vout  
Personal Media Players  
4.7µF  
0603  
47uF  
1206  
EP5388QI  
Advanced Mobile Processors, DSP, IO,  
VFB  
Memory, Video, Multimedia Engines  
VS0  
Voltage  
Select  
VS1  
VS2  
GND  
Ordering Information  
Part Number  
EP5388QI-T  
EP5388QI-E  
Temp Rating (°C)  
Package  
-40 to +85  
EP5388QI Evaluation Board  
16-pin QFN T&R  
Figure 1. Typical application circuit.  
www.enpirion.com  

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