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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADP5600ACPZ-R7 датащи(PDF) 24 Page - Analog Devices |
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ADP5600ACPZ-R7 датащи(HTML) 24 Page - Analog Devices |
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24 / 25 page  ADP5600 Data Sheet Rev. 0 | Page 24 of 25 CIRCUIT BOARD LAYOUT RECOMMENDATIONS Because the internal switches of the ADP5600 turn on and off very fast, good printed circuit board (PCB) layout practices are critical to ensure optimum operation of the device. Improper layouts result in poor load regulation, especially under heavy loads. Output performance can be improved by following these simple layout guidelines: • Place the input capacitor (CIN) as close as possible to the VIN and GND pins. • Place the output capacitors (CCPOUT) and CLDO_OUT as close as possible to the CPOUT/LDO_OUT and GND pins. • Place fly capacitors (CC1 and CC2) close to the respective fly capacitor pins (C1+/C2+ and C1−/C2−). • Use of 0603 and 0402 size capacitors and resistors achieves the smallest possible footprint solution on boards where area is limited. • Connect the exposed pad to CPOUT. • Use adequate ground and power traces or planes. • Use a single-point ground for device ground and input and output capacitor grounds. • Keep external components as close to the device as possible. • Use short and wide traces/planes from the input and output capacitors to the input and output pins, respectively. Figure 64. Example PCB Layout 10.2mm 10.2mm CC1 0603 CIN 0805 CCPOUT 0805 CC2 0603 CLDO_OUT 0603 |
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