LP3390 datasheet(7/8 Pages) POWER

Part #	LP3390

Description	1.2MHzFixed-Frequency PWM Operation

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Manufacturer	POWER [Lowpower Semiconductor inc]

Direct Link	http://www.lowpowersemi.com

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7 / 8 page

Preliminary Datasheet

LP3390

LP3390 Version 1.0 Datasheet

NOV.-2013

www.lowpowersemi.com

Page 7 of 8

Layout Consideration

For best performance of the LP3390, the following

guidelines must be strictly followed.

- Input and Output capacitors should be placed close

to the IC and connected to ground plane to reduce

noise coupling.

- The GND and Exposed Pad should be connected to

a strong ground plane for heat sinking and noise

protection.

- Keep the main current traces as possible as short

and wide.

- LX node of DC-DC converter is with high frequency

voltage swing. It should be kept at a small area.

- Place the feedback components as close as

possible to the IC and keep away from the noisy

devices.

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