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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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PM8903 数据表(PDF) 10 Page - STMicroelectronics |
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PM8903 数据表(HTML) 10 Page - STMicroelectronics |
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10 / 34 page  Electrical specifications PM8903 10/34 Doc ID 022748 Rev 1 Over and undervoltage protections OVP OVP threshold FB rising 0.69 0.72 0.75 V LS turns off, FB falling 0.30 V UVP UVP threshold FB falling 0.45 0.48 0.51 V IFB FB disconnection bias current Sourced from FB 100 nA Overtemperature protection OTP Thermal shutdown threshold (1) 140 °C Thermal shutdown hysteresis (1) 40 °C PGOOD PGOOD Upper threshold FB rising 0.69 0.72 0.75 V Lower threshold FB falling 0.45 0.48 0.51 V VPGOODL PGOOD voltage low IPGOOD = -4 mA 0.4 V ENABLE EN Input logic high EN rising 1.5 V Input logic low EN falling 0.65 V Hysteresis 150 mV Deglitching(1) Rising and falling edge 3 μs SS TSS Soft-start time RPM=0 Ω / 24 kΩ / 180 kΩ / 240 kΩ or PSKIP/MS pin floating 0.79 ms 1. Guaranteed by design, not subject to test. Table 6. Electrical characteristics (continued) Symbol Parameter Test conditions Min. Typ. Max. Unit |
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