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EP5388QI

Part Number	EP5388QI
Manufacturer	Enpirion
Description	800mA Synchronous Buck Regulator
Published	Dec 24, 2010
Detailed Description	EP5388QI 800mA Synchronous Buck Regulator With Integrated Inductor 3mm x 3mm x 1.1mm Package July 2008 RoHS Compliant H...
Datasheet	EP5388QI PDF File

Overview

EP5388QI 800mA Synchronous Buck Regulator With Integrated Inductor 3mm x 3mm x 1.
1mm Package July 2008 RoHS Compliant Halogen Free Product Overview 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.
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.
Product Highlights Featuring Integrated Inductor Technology Applications • • • • • • Noise Sensitive RF Applications Area Constrained Applications Wireless Data Applications Portable Gaming Devices Personal Media Players Advanced Mobile Processors, DSP, IO, Memory, Video, Multimedia Engines • 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 • 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 • RoHS compliant; MSL 3 260°C reflow Typical Application Circuit ENABLE VIN 4.
7µF 0603 VSense Vout VOUT 47uF 1206 Vin EP5388QI VS0 VS1 VS2 VFB Orderin...

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EP5388QI 800mA Synchronous Buck Regulator - Enpirion

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