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L9951XP 数据表(PDF) 11 Page - STMicroelectronics |
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L9951XP 数据表(HTML) 11 Page - STMicroelectronics |
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11 / 36 page ![]() L9951 / L9951XP Electrical specifications Doc ID 14173 Rev 9 11/36 ICC VCC DC supply current VS = 13V, VCC = 5.0V CSN = VCC active mode 13 mA VCC quiescent supply current VS = 13V, VCC = 5.0V CSN = VCC standby mode OUT1 - OUT5 floating 13 µA IS + ICC Sum quiescent supply current VS = 13V, VCC = 5.0V CSN = VCC standby mode OUT1 - OUT5 floating 723 µA Table 8. Overvoltage and undervoltage detection Symbol Parameter Test condition Min. Typ. Max. Unit VSUV ON VS UV-threshold voltage VS increasing 6.0 7.2 V VSUV OFF VS UV-threshold voltage VS decreasing 5.4 6.5 V VSUV hyst VS UV-hysteresis VSUV ON - VSUV OFF 0.55 V VSOV OFF VS OV-threshold voltage VS increasing 18 24.5 V VSOV ON VS OV-threshold voltage VS decreasing 17.5 V VSOV hyst VS OV-hysteresis VSOV OFF - VSOV ON 0.5 V VPOR OFF Power-on-reset threshold VCC increasing 4.4 V VPOR ON Power-on-reset threshold VCC decreasing 3.1 V VPOR hyst Power-on-reset hysteresis VPOR OFF - VPOR ON 0.3 V Table 9. Current monitor output Symbol Parameter Test condition Min. Typ. Max. Unit VCM Functional voltage range VCC = 5V 0 4 V ICM,r Current monitor output ratio: ICM /IOUT1,2,3,4,5 0V ≤ VCM ≤ 4V, VCC=5V 1:10000 - ICM acc Current monitor accuracy 0V ≤ VCM≤ 4V, VCC=5V, IOUT1-5,low =500mA IOUT1,high =6A IOUT2,3,high =4.9A IOUT4,5,high =1.2A (FS=full scale=600 μA) 4% + 1%FS 8% + 2%FS - Table 7. Supply (continued) Symbol Parameter Test condition Min. Typ. Max. Unit |
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