VN7040AS datasheet(9/45 Pages) STMICROELECTRONICS

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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 VN7040AJ)(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 = 2 A; L = 6 mH; Tj = -40°C

VCC - 38

IOUT = 2 A; L = 6 mH; Tj = 25°C to

150°C

VCC - 41

VCC - 46

VCC - 52

VON

Output voltage drop limitation

IOUT = 0.25 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

530

dKcal/Kcal (1) (2)

Current sense ratio drift at

calibration point

IOUT = 0.01 A to 0.03 A; Ical = 30 mA;

VSENSE = 0.5 V; VSEn = 5 V

-30

KLED

IOUT/ISENSE

IOUT = 0.05 A; VSENSE = 0.5 V;

VSEn = 5 V

900

1800 2650

dKLED/KLED (1) (2)

Current sense ratio drift

IOUT = 0.05 A; VSENSE = 0.5 V;

VSEn = 5 V

-25

IOUT/ISENSE

IOUT = 0.25 A; VSENSE = 0.5 V;

VSEn = 5 V

940

1550 2200

dK0/K0 (1) (2)

Current sense ratio drift

IOUT = 0.25 A; VSENSE = 0.5 V;

VSEn = 5 V

-20

IOUT/ISENSE

IOUT = 0.5 A; VSENSE = 4 V;

VSEn = 5 V

1000 1400 1920

VN7040AJ, VN7040AS

Main electrical characteristics

DS10829 - Rev 5

page 9/45

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