EN5394QI-E 데이터 시트보기 (PDF) - Enpirion, Inc.

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EN5394QI-E

Feature Rich 9A Voltage Mode Synchronous Buck PWM DC-DC Converter with Integrated Inductor

Enpirion, Inc. 

Block Diagram

EN5394QI

Figure 3: System block diagram.

Functional Description

Synchronous Buck Converter

The EN5394QI is a synchronous, programmable

power supply with integrated power MOSFET

switches and integrated inductor. The nominal

input voltage range is 2.375-6.6V. The output

voltage is programmed using an external resistor

divider network. The feedback control loop is a

type III, voltage-mode, and the device uses a

low-noise PWM topology. Up to 9A of continuous

output current can be drawn from this converter.

The 4MHz operating frequency enables the use

of small-size input and output capacitors.

The power supply has the following protection

features:

©Enpirion 2009 all rights reserved, E&OE

03738

9

8/21/2009

www.enpirion.com

Rev:B

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