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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AN2713 데이터시트(PDF) 22 Page - STMicroelectronics |
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AN2713 데이터시트(HTML) 22 Page - STMicroelectronics |
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22 / 40 page  Layout guidelines AN2713 22/40 Doc ID 14431 Rev 1 5.1 PCB layout Any switch mode power supply requires a good PCB layout in order to achieve maximum performance. Component placement, and GND trace routing and width are the major issues. Basic rules commonly used for DC-DC converters for good PCB layout should be followed. All traces carrying current should be drawn on the PCB as short and as thick as possible. This should be done to minimize resistive and inductive parasitic effects, and increase system efficiency. White arrows indicate the suggested PCB (ring) ground plane to avoid spikes on the output voltage (this is related to the switching side of the LNBH23). Good soldering of the ePad helps on this issue. Figure 12. STEVAL-CBL003V1 PCB top layer Figure 13. STEVAL-CBL003V1 PCB bottom layer AM01388v1 |
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