VIPER26LDTR datasheet(6/25 Pages) STMICROELECTRONICS

6 / 25 page

Electrical data

VIPER26

6/25

Doc ID 17736 Rev 2

4.3

Electrical characteristics

(TJ = -25 to 125 °C, VDD = 14 V

(a); 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

Break-down voltage

IDRAIN = 1 mA,

VCOMP = GND, TJ = 25 °C

800

IOFF

OFF state drain current

VDRAIN = max rating,

VCOMP = GND

µA

RDS(on)

Drain-source on state

resistance

IDRAIN = 0.2 A, TJ = 25 °C

Ω

IDRAIN = 0.2 A, TJ = 125 °C

Ω

COSS

Effective (energy related)

output capacitance

VDRAIN = 0 to 640 V

Table 7.

Supply section

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

Voltage

VDRAIN_START

Drain-source start voltage

100

IDDch1

Charging current during the

start up

VDRAIN = 100 V to 640 V,

VDD = 4 V

-0.6

-1.8

IDDch2

Charging current during the

autorestart

VDRAIN = 100 V to 640 V,

VDD = 9 V falling edge

-7

-13

VDD

Operating voltage range

11.5

23.5

VDDclamp

VDD clamp voltage

IDD = 15 mA

23.5

VDDon

VDD start up threshold

VDDCSon

VDD on internal high voltage

current generator threshold

9.5

10.5

11.5

VDDoff

VDD under voltage shutdown

threshold

Current

IDD0

Operating supply current, not

switching

FOSC = 0 kHz,

VCOMP = GND

0.6

IDD1

Operating supply current,

switching

VDRAIN = 120 V,

FSW = 60 kHz

2.5

VDRAIN = 120 V,

FSW = 115 kHz

3.5

IDDoff

Operating supply current with

VDD < VDDoff

0.35

IDDol

Open loop failure current

threshold

VDD = VDDclamp

VCOMP = 3.3 V,

4mA

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