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VIPER28HN Datasheet(PDF) 6 Page - STMicroelectronics |
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VIPER28HN Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 32 page Electrical data VIPER28 6/32 Doc ID 15028 Rev 5 4.3 Electrical characteristics (TJ = -25 to 125 °C, VDD = 14 V (a); unless otherwise specified) a. Adjust VDD above VDDon start-up threshold before setting to 14 V Table 6. Power section Symbol Parameter Test condition Min Typ Max Unit VBVDSS Break-down 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 7 Ω IDRAIN = 0.4 A, VFB = 3 V, VEPT = GND, TJ = 125 °C 14 Ω COSS Effective (energy related) output capacitance VDRAIN = 0 to 640 V, TJ = 25°C 40 pF Table 7. Supply section Symbol Parameter Test condition Min Typ Max Unit Voltage VDRAIN_START Drain-source start voltage 60 80 100 V IDDch Start up charging current VDRAIN = 120 V, VEPT = GND, VFB = GND, VDD = 4 V -2 -3 -4 mA VDRAIN = 120 V, VEPT = GND, VFB = GND, VDD = 4 V after fault -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 start up threshold VDRAIN = 120 V, VEPT = GND, VFB = GND 13 14 15 V VDDoff VDD under voltage 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, FSW = 0 kHz VEPT = GND, VDD = 10 V 0.9 mA IDD1 Operating supply current, switching VDRAIN = 120 V, FSW = 60 kHz 2.5 mA VDRAIN = 120 V,FSW = 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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