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BM81810MUF-M 데이터시트(PDF) 67 Page - Rohm

부품명 BM81810MUF-M
부품 상세설명  Automotive Panel Power Management IC
Download  78 Pages
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

BM81810MUF-M 데이터시트(HTML) 67 Page - Rohm

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TSZ02201-0A3A0AS00510-1-2
© 2020 ROHM Co., Ltd. All rights reserved.
15.May.2020 Rev.001
TSZ22111
• 15 • 001
www.rohm.com
EMC Layout Guide
Introduce the plan that can design on the PCB as EMC measures.
Measures by the board pattern
Wire AVDD line briefly thickly. (1)
Wire the current loop of Boost DC/DC briefly thickly. (2)
Measures by the external component
Insert a common mode filter or a beads coil in the AVDD line and form the EMC filter. (3)
Place output capacitor and small capacitor (10pF - 1,000pF) in parallel. (4)
Insert the snubber circuit in SW pin. (Assumed the efficiency becomes worse) (5)
(2)
Figure 106. EMI Circuit 1
Figure 107. EMI Circuit 2


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