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PAM2308BYM датащи(PDF) 12 Page - Diodes Incorporated

номер детали PAM2308BYM
подробное описание детали  DUAL HIGH-EFFICIENCY PWM STEP-DOWN DC-DC CONVERTER
PDF  15 Pages
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производитель  DIODES [Diodes Incorporated]
домашняя страница  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PAM2308BYM датащи(HTML) 12 Page - Diodes Incorporated

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PAM2308
Document number: DSxxxxx Rev. 1 - 1
12 of 15
www.diodes.com
January 2013
© Diodes Incorporated
PAM2308
A Product Line of
Diodes Incorporated
Application Information (cont.)
PCB Layout Check List
When laying out the printed circuit board, the following checklist should be used to ensure proper operation of the PAM2308. These items are
also illustrated graphically in Figure 1. Check the following in your layout:
1. The power traces, consisting of the GND trace, the SW trace and the VIN trace should be kept short, direct and wide.
2. Does the FB pin connect directly to the feedback resistors? The resistive divider R1/R2 must be connected between the (+) plate of COUT and
ground.
3. Does the (+) plate of CIN connect to VIN as closely as possible? This capacitor provides the AC current to the internal power MOSFETs.
4. Keep the switching node, SW, away from the sensitive FB node.
5. Keep the (–) plates of CIN and COUT as close as possible.
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Figure 1. PAM2308 Suggested Layout



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