LT3464ETS8 datasheet(11/16 Pages) LINER

Part #	LT3464ETS8

Description	Micropower Boost Converter with Schottky and Output Disconnect in ThinSOT?

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT3464

11

3464f

Board Layout Considerations

As with all switching regulators, careful attention must be

paid to the PCB board layout and component placement.

To maximize efficiency, switch rise and fall times are made

as short as possible. To prevent electromagnetic interfer-

ence (EMI) problems, proper layout of the high frequency

switching path is essential. The voltage signal of the SW

APPLICATIO S I FOR ATIO

Figure 6. Recommended Layout

pin has sharp rising and falling edges. Minimize the length

and area of all traces connected to the SW pin and always

use a ground plane under the switching regulator to

minimize interplane coupling. In addition, the ground

connection for the feedback resistor R1 should be tied

directly to the GND pin and not shared with any other

component, ensuring a clean, noise-free connection. Rec-

ommended component placement is shown in Figure 6.

GND

VOUT

VIN

VIAS TO GROUND PLANE

VIA TO CONTROL

VIA TO SHDN

3464 F07

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