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RT9420 датащи(PDF) 13 Page - Richtek Technology Corporation |
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RT9420 датащи(HTML) 13 Page - Richtek Technology Corporation |
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13 / 14 page ![]() RT9420 13 DS9420-01 October 2014 www.richtek.com © Copyright 2014 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Figure 8. PCB Layout Guide Layout Considerations R3 IO Power PACK- PACK+ C1 C2 R2 R1 Positive Power Bus Negative Power Bus VDD and GND need direct connect to Battery for preventing the affect of I-R drop. Connect to GND, if not used. Input filter must be placed as close as possible to the VDD and VBAT. TEST GND VBAT SDA SCL QS ALERT VDD 9 7 6 5 1 2 3 4 8 PMIC_GND PMIC_VBAT Battery PACK |
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