VN7140AS12 datasheet(11/39 Pages) STMICROELECTRONICS

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VN7140AS12

Electrical specification

DocID029756 Rev 2

11/39

Table 9: 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)(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

VSEn = 5 V

135

THYST

Thermal hysteresis(TTSD -

TR)(1)

ΔTJ_SD

Dynamic temperature

Tj = -40°C; VCC = 13 V

VDEMAG

Turn-off output voltage

clamp

IOUT = 1 A; L = 6 mH;

Tj = -40°C

VCC -

IOUT = 1 A; L = 6 mH;

Tj = 25°C to 150°C

VCC -

VON

Output voltage drop

limitation

IOUT = 0.07 A

Notes:

(1)Parameter guaranteed by design and characterization; not subject to production test.

Table 10: 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

Current sense characteristics

KOL

IOUT/ISENSE

IOUT = 0.01 A;

VSENSE = 0.5 V; VSEn = 5 V

295

dKcal/Kcal(1)(1)(2)(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

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