MP3217 –36V, 670kHz STEP-UP CONVERTER WITH A 0.5A SWITCH

MP3217 Rev. 0.91

www.MonolithicPower.com

4

10/15/2009

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PIN FUNCTIONS

Pin #

Name

Pin Function

1

PGND

Power Ground.

2

GND

Ground.

3

FB

Feedback Input. Reference voltage is 1.24V, Connect a resistor divider from the

output to this pin.

4

EN

ON/OFF Control Input. A voltage greater than 2V will turn the part on and less than

0.8V will turn the part off. When not used, float EN to the input source for automatic

startup.

5

IN

Input Supply Pin. Must be locally bypassed.

6

SW

Power Switch Output. SW is the drain of the internal MOSFET switch. Connect the

power inductor and output rectifier to SW.