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VIPER38LE Datasheet(PDF) 8 Page - STMicroelectronics |
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VIPER38LE Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 31 page Electrical characteristics VIPER38 8/31 DocID025703 Rev 2 TJ = -25 to 125 °C, VDD= 14 V; unless otherwise specified (adjust VDD above VDDon startup threshold before setting to 14 V). Table 6. Power section Symbol Parameter Test condition Min Typ Max Unit VBVDSS Breakdown voltage IDRAIN = 1 mA, VFB = GND, TJ = 25 °C 800 V IOFF OFF-state drain current VDRAIN = max rating,VFB = GND, TJ = 25°C 60 µA RDS(on) Drain-source on-state resistance IDRAIN = 0.4 A, VFB = 3 V, VEPT = GND, TJ = 25 °C 4.5 Ω IDRAIN = 0.4 A, VFB = 3 V, VEPT = GND, TJ = 125 °C 9 Ω COSS Effective (energy related) output capacitance VDRAIN = 0 to 640 V, TJ = 25°C 17 pF Table 7. Supply section Symbol Parameter Test condition Min Typ Max Unit Voltage VDRAIN_START Drain-source start voltage 60 80 100 V IDDch1 Startup charging current VDRAIN = 120 V, VEPT = GND, VFB = GND, VDD = 4 V -2 -3 -4 mA IDDch2 Restart charging current (after fault) VDRAIN = 120 V, VEPT = GND, VFB = GND, VDD = 4 V -0.4 -0.6 -0.8 mA VDD Operating voltage range After turn-on 8.5 23.5 V VDDclamp VDD clamp voltage IDD = 20 mA 23.5 V VDDon VDD startup threshold VDRAIN = 120 V, VEPT = GND, VFB = GND 13 14 15 V VDDoff VDD undervoltage shutdown threshold 7.588.5 V VDD(RESTART) VDD restart voltage threshold VDRAIN = 120 V, VEPT = GND, VFB = GND 44.5 5 V Current IDD0 Operating supply current, not switching VFB = GND, FOSC = 0 kHz VEPT = GND, VDD = 10 V 0.7 mA IDD1 Operating supply current, switching VDRAIN = 120 V, FOSC = 60 kHz 2.5 mA VDRAIN = 120 V,FOSC = 115 kHz 3.5 mA IDD_FAULT Operating supply current, with protection tripping VDD = 10 V 400 uA IDD_OFF Operating supply current with VDD < VDD_OFF VDD = 7 V 270 uA |
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