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UPD166019T1F 数据表(PDF) 11 Page - Renesas Technology Corp |
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UPD166019T1F 数据表(HTML) 11 Page - Renesas Technology Corp |
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11 / 18 page ![]() PD166019T1F Preliminary R07DS0730EJ0100 Rev.1.00 Page 11 of 16 Apr 25, 2012 Application Example in Principle VCC GND IN OUT Load Vbat μPD166019 RGND Micro. GND 5 V OUTPUT PORT VCC INPUT PORT RINoff RINon RDIAG *1 *1 *2 Notes: *1 In case of necessity to eliminate the destruction by the soldering bridge to Vcc: Pin#5, insert a resistor RGND (recommended 1 k max) between GND pin and system ground. In this condition current flows out to IN pin. RINon is recommended 2 k min. GND to IN current = (RGND 1 mA – 0.6 V) / RINon *2 If the load is inductive, it is recommended to connect a free-wheel diode between OUT pin and ground. |
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