MP2136 – 2.5V TO 6V INPUT, 2MHz, 1A SYNCHRONOUS STEP-DOWN CONVERTER

MP2136 Rev. 0.9

www.MonolithicPower.com

6

8/23/2010

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PIN FUNCTIONS

Pin #

Name

Description

1

NC

No connection. Leave Pin1 disconnection.

2

EN

Regulator Enable Control Input. Drive EN above 1.6V to turn on the part. Drive EN below

0.4V to turn it off.

3

IN

Supply Input. Bypass to GND with a 4.7µF or bigger value ceramic capacitor.

4

SW

Power Switch Output. Inductor connection to drains of the internal PFET and NFET

switches.

5

GND,

Exposed

Pad

Ground. Connect exposed pad to ground plane for optimal thermal performance.

6

FB

Feedback Input. Connect FB to the center point of the external resistor divider. The

regulated feedback voltage is 0.6V.