VN7140AS datasheet(9/45 Pages) STMICROELECTRONICS

9 / 45 page

Table 8. Protections

7 V < VCC < 18 V; -40°C < Tj < 150°C

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ILIMH

DC short circuit current

VCC = 13 V

4 V < VCC < 18 V (1)

ILIML

Short circuit current

during thermal cycling

VCC = 13 V;

TR < Tj < TTSD

TTSD

Shutdown temperature

150

175

200

°C

Reset temperature(1)

TRS + 1

TRS + 7

TRS

Thermal reset of fault

diagnostic indication

VFR = 0 V; VSEn = 5 V

135

THYST

Thermal hysteresis(TTSD -

TR)(1)

ΔTJ_SD

Dynamic temperature

Tj = -40°C; VCC = 13 V

tLATCH_RST

Fault reset time for output

unlatch (only for VN7140AJ)

(1)

VFR = 5 V to 0 V; VSEn = 5 V;

VIN = 5 V; VSEL0 = 0 V; VSEL1 = 0 V

µs

VDEMAG

Turn-off output voltage clamp

IOUT = 1 A; L = 6 mH; Tj = -40°C

VCC - 38

IOUT = 1 A; L = 6 mH; Tj = 25°C to

150°C

VCC - 41

VCC - 46

VCC - 52

VON

Output voltage drop limitation

IOUT = 0.07 A

1. Parameter guaranteed by design and characterization; not subjected to production test.

Table 9. MultiSense

7 V < VCC < 18 V; -40°C < Tj < 150°C

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VSENSE_CL

MultiSense clamp voltage

VSEn = 0 V; ISENSE = 1 mA

-17

-12

VSEn = 0 V; ISENSE = -1 mA

CurrentSense characteristics

KOL

IOUT/ISENSE

IOUT = 0.01 A; VSENSE = 0.5 V;

VSEn = 5 V

295

dKcal/Kcal (1) (2)

Current sense ratio drift at

calibration point

IOUT = 0.01 A to 0.025 A;

Ical = 17.5 mA; VSENSE = 0.5 V;

VSEn = 5 V

-30

KLED

IOUT/ISENSE

IOUT = 0.025 A; VSENSE = 0.5 V;

VSEn = 5 V

330

580

820

dKLED/KLED (1) (2)

Current sense ratio drift

IOUT = 0.025 A; VSENSE = 0.5 V;

VSEn = 5 V

-25

IOUT/ISENSE

IOUT = 0.07 A; VSENSE = 0.5 V;

VSEn = 5 V

375

550

720

dK0/K0 (1) (2)

Current sense ratio drift

IOUT = 0.07 A; VSENSE = 0.5 V;

VSEn = 5 V

-20

IOUT/ISENSE

IOUT = 0.15 A; VSENSE = 4 V;

VSEn = 5 V

360

500

670

VN7140AJ, VN7140AS

Main electrical characteristics

DS10830 - Rev 4

page 9/45

VN7140AS Datasheet(PDF) 9 Page - STMicroelectronics

VN7140AS Datasheet(HTML) 9 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45

Datasheet Download

Link URL