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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RT9703CS датащи(PDF) 13 Page - Richtek Technology Corporation |
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RT9703CS датащи(HTML) 13 Page - Richtek Technology Corporation |
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13 / 14 page  13 RT9703 Preliminary Fault Flag Filtering (Optional) The transient inrush current to downstream capacitance may cause a short-duration error flag, which may cause erroneous over-current reporting. A simple 1ms RC low- pass filter (10k Ω and 0.1µF) in the flag line eliminates short-duration transients. PCB Layout In order to meet the voltage drop, droop, and EMI requirements, careful PCB layout is necessary. The following guidelines must be considered: Keep all input and output traces as short as possible and use at least 150-mil, 2 ounce copper for all races. Avoid vias as much as possible. If vias are necessary, make them as large as feasible. Place a ground plane under all circuitry to lower both resistance and inductance and improve DC and transient performance (Use a separate ground and power plans if possible). Locate the bypass capacitors as close as possible to the input and output pin of the RT9703. *1' 9287 &( 9,1 ,3 )/* *1' *1' Board Layout |
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