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MP2560 Datasheet(PDF) 17 Page - Monolithic Power Systems

Part No. MP2560
Description  2.5A, 4MHz, 42V Step-Down Converter
Download  19 Pages
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Maker  MPS [Monolithic Power Systems]
Homepage  http://www.monolithicpower.com
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MP2560 Datasheet(HTML) 17 Page - Monolithic Power Systems

 
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MP2560 – 2.5A, 4MHz, 42V STEP-DOWN CONVERTER
MP2560 Rev. 1.2
www.MonolithicPower.com
17
1/25/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
PCB LAYOUT GUIDE
PCB layout is very important to achieve stable
operation. It is highly recommended to duplicate
EVB layout for optimum performance.
If change is necessary, please follow these
guidelines and take Figure 6 for reference.
1) Keep the path of switching current short
and minimize the loop area formed by Input
cap, high-side MOSFET and external
switching diode.
2) Bypass ceramic capacitors are suggested
to be put close to the VIN Pin.
3) Ensure all feedback connections are short
and direct. Place the feedback resistors
and compensation components as close to
the chip as possible.
4) Route SW away from sensitive analog
areas such as FB.
5) Connect IN, SW, and especially GND
respectively to a large copper area to cool
the chip to improve thermal performance
and long-term reliability.
4.5V to 42V
MP2560 Typical Application Circuit
TOP Layer
Bottom Layer
Figure 6―MP2560 Typical Application Circuit and PCB Layout Guide


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