MP4572 datasheet(29/32 Pages) MPS

Nome de Peças	MP4572

Descrição Electrónicos	High-Efficiency, 2A, 60V, Fully Integrated Synchronous Buck Converter

PDF	32 Pages

Scroll/Zoom	100%

Fabricante Electrônico	MPS [Monolithic Power Systems]

Página de início	http://www.monolithicpower.com

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29 / 32 page

MP4572

– 60V, 2A, SYNCHRONOUS STEP-DOWN CONVERTER

MP4572 Rev. 1.0

www.MonolithicPower.com

3/9/2020

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

PCB Layout Guidelines (9)

An optimized PCB layout is critical for proper

operation.

4-layer

layout

strongly

recommended to improve thermal performance.

For the best results, refer to Figure 7 and follow

the guidelines below:

1. Place high-current paths (GND, IN, and SW)

very close to the device with short, direct, and

wide traces.

2. Use

large

copper

areas

minimize

conduction loss and thermal stress.

3. Place the ceramic input capacitors as close to

the IN and GND pins as possible to minimize

high frequency noise.

4. Place the T-type feedback resistors as close

as possible to the FB pin to ensure the trace

connecting to the FB pin is as short as

possible.

5. Route SW and BST away from sensitive

analog areas, such as FB.

6. Use multiple vias to connect the power

planes to the internal layer.

Note:

9) The recommended PCB layout is based on the circuit in Figure 8.

Top Layer and Top Silk

Inner Layer 1

Inner Layer 2

Bottom Layer and Bottom Silk

Figure 7: Recommended PCB Layout

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