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L9953LXP Datasheet(PDF) 11 Page - STMicroelectronics |
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L9953LXP Datasheet(HTML) 11 Page - STMicroelectronics |
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11 / 35 page ![]() L9953LXP Electrical specifications Doc ID 16185 Rev 3 11/35 Table 8. Overvoltage and under voltage detection Symbol Parameter Test condition Min. Typ. Max Unit VSUV On VS UV-threshold voltage VS increasing 5.7 7.2 V VSUV Off VS UV-threshold voltage VS decreasing 5.5 6.9 V VSUV Hyst VS UV-hysteresis VSUV On - VSUV Off 0.5 V VSOV Off VS OV-threshold voltage VS increasing 18 24.5 V VSOV On VS OV-threshold voltage VS decreasing 17.5 23.5 V VSOV Hyst VS OV-hysteresis VSOV Off - VSOV On 1V 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 /IOUT 4,5,8 0V ≤ VCM ≤ 4V, VCC=5V - Current monitor output ratio: ICM /IOUT1 - ICM acc Current monitor accuracy Acc ICM /IOUT 4,5,8 0 V ≤ VCM ≤ 3.8V, VCC = 5V, IOut,min 4,5,8= 0.5A, IOut max 4,5,8= 5.9A 4% + 1%FS 8% + 2%FS - Current monitor accuracy Acc ICM /IOUT 1 0 V ≤ VCM ≤ 3.8V, VCC = 5V, IOut,min 1= 60mA, IOut max 1= 0.6A Table 10. Charge pump output Symbol Parameter Test condition Min. Typ. Max. Unit VCP Charge pump output voltage VS = 8V, ICP = -60µA VS+6 VS+13 V VS = 10V, ICP = -80µA VS+8 VS+13 V VS ≥ 12V, ICP = -100µA VS+10 VS+13 V ICP Charge pump output current VCP = VS+10V, VS =13.5V 95 150 300 µA 1 10000 ---------------- 1 4000 ------------- |
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