EV9151-D-00A – 4A, 20V, 800KHZ SYNCHRONOUS STEP-DOWN CONVERTER

NOTICE: The information in this document is subject to change without notice. Please contact MPS for current specifications.

Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS

products into any application. MPS will not assume any legal responsibility for any said applications.

EV9151-D-00A Rev.1.0

www.MonolithicPower.com

5

2/4/2013

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QUICK START GUIDE

1. Connect the positive and negative terminals of the load to the VOUT and GND pins,

respectively.

2. Preset the power supply output between 5V and 20V, and then turn off the power supply.

3. Connect the positive and negative terminals of the power supply output to the VIN and GND

pins, respectively.

4. Turn the power supply on. The board will automatically start up.

5. To use the Enable function, apply a digital input to the EN pin. Drive EN higher than 1.6V to turn

on the regulator or less than 0.4V to turn it off.

6. Change the external resistor from FREQ pin to GND to set frequency from 300kHz to 1.6MHz.