VN31 datasheet(4/11 Pages) STMICROELECTRONICS

4 / 11 page

ELECTRICAL CHARACTERISTICS (continued)

PROTECTION AND DIAGNOSTICS (continued)

Symbol

Parameter

Test Condi tions

Mi n.

Typ.

Max.

Unit

VSTAT

St atus Voltage Output

Low

ISTAT =1.6 mA

0.4

VUS D

Under Voltage Shut

Down

VSCL

St atus Clamp Voltage

ISTAT =10 mA

ISTAT =-10 mA

-0. 7

IOV

Over Current

RLOA D <10 m

Ω

-40

≤ Tc ≤ 125 oC

140

IAV

Average Current in

Short Circuit

RLOAD <10 m

Ω

Tc =85

oC2.5

IOL

Open Load Current

Level

600

1250

TTSD

Thermal Shut-down

Temperature

140

Reset Temperature

125

VOL

Open Load Voltage

Level

Of f-St ate (note 2)

2.5

3.75

t1(on)

Open Load Filtering

Time

(note 3)

t1(off)

Open Load Filtering

Time

(note 3)

t2(off)

Open Load Filtering

Time

(note 3)

tpovl

St atus Delay

(note 3)

µs

tpol

St atus Delay

(note 3)

700

µs

(^) See Sw itchig Time Waveforms

(

•)The VIH is internally clamped at 6V about. It is possible to connect this pin to an higher voltage via an external resistor

cal culated to not exceed 10 mA at the i nput pin.

note 1: The Nominal Current is the current at Tc =85

oC for battery voltage of 13V which produces a voltage drop of 0.5 V

note 2: IOL( of f) =( VCC -VOL)/R OL ( see fi gure)

note 3: t1( on ): minimum open load duration which accti vates the status output

t1( of f): mini mum l oad recovery time whi ch desactivates the status output

t2( of f): mini mum on ti me after ther mal shut down which desacti vates status output

tpo vl tpol: ISO definiti on (see figur e)

Note 2 Relevant Figure

Note 3 Relevant Figure

VN31

4/11

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