VIPER35 datasheet(9/44 Pages) STMICROELECTRONICS

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VIPer35

Electrical ratings

TJ = -40 to 125 °C, VDD = 14 V

(a) (unless otherwise specified)

TJ = -40 to 125 °C (unless otherwise specified)

Adjust VDD above VDDon start-up threshold before setting 14 V.

Table 5. Power section

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VBVDSS

Breakdown voltage

IDRAIN = 1 mA, VFB = GND

TJ = 25 °C

800

IOFF

Off-state drain

current

VDRAIN = 800 V

VFB = GND, TJ = 25 °C

RDS(on)

Drain-source on-

state resistance

IDRAIN = 0.4 A, VFB = 3 V

VBR = GND, TJ = 25 °C

4.5

Ω

IDRAIN = 0.4 A, VFB = 3 V

VBR = GND, TJ = 125 °C

Ω

COSS

Effective (energy

related) output

capacitance

VDRAIN = 0 to 640 V

Table 6. Supply section

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Voltage

VDRAIN_START

Drain-source start

voltage

100

IDDch1

Start-up charging

current (power-up)

VDRAIN = 120 V

VBR = GND

VFB = GND

VDD = 4 V

-2

-3

-4

IDDch2

Start-up charging

current (auto-restart)

VDRAIN = 120 V

VBR = GND

VFB = GND

VDD = 5 V, after fault

-0.4

-0.6

-0.8

VDD

Operating voltage

range

After turn-on

8.5

23.5

VDDclamp

Clamp voltage

IDD = 20 mA

23.5

VDDon

VDD start-up

threshold

VDRAIN = 120 V

VBR = GND

VFB = GND

VDDoff

VDD undervoltage

shutdown threshold

7.5

8.5

VDD(RESTART)

VDD restart voltage

threshold

44.5

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