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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ACT2803 датащи(PDF) 16 Page - Active-Semi, Inc |
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ACT2803 датащи(HTML) 16 Page - Active-Semi, Inc |
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16 / 22 page  Rev 1, May-12-2016 Innovative PowerTM - 16 - www.active-semi.com Copyright © 2016 Active-Semi, Inc. ACT2803 APPLICATIONS INFORMATION 2. Place the decoupling ceramic capacitor as close to BAT pin as possible. Use different capacitance combination to get better EMI performance. 3. Place the decoupling ceramic capacitors close to VIN pin, VOUT pin, and BAT pin. 4. Use copper plane for power GND for best heat dissipation and noise immunity. 5. Connect battery with the sequence of BATN- >BATP->BATC. 6. Use Kevin sense from sense resistors to CSP and CSN pins, and the sense resistor from BATS and BATP pins. 7. SW pad is a noisy node switching. It should be isolated away from the rest of circuit for good EMI and low noise operation. 8. Thermal pad is connected to GND layer through vias. PGND and AGND should be single-point connected. 9. RC snubber and external Schottky diode across SW to PGND can be added as needed for reducing SW spike and better EMI performance. |
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