VN450P datasheet(5/9 Pages) STMICROELECTRONICS

5 / 9 page

ELECTRICAL CHARACTERISTICS (continued)

PROTECTIONS AND DIAGNOSTICS

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

TTSD

Thermal Shut-down

Temperature

150

170

190

TTR

Thermal Reset

Temperature

135

TRSD

(HYST)

Thermal Hysteresis

VENOL

Output Voltage

Authorizing Openload

Detection

≤ VCC ≤ 36V

5.2

6.6

IOL

Open Load Current

Level

Channels 1,2

≤ VCC ≤ 18V

Channels 3

≤ VCC ≤ 30V

100

450

800

100

IOV

Over Current

≤10 mΩ

channels 1,2

≤10 mΩ

channel 3

3.5

IAV

Average Current in

Short Circuit

≤10 mΩ

TCase =85

channels 1,2

channel 3

3.4

VSTAT1,2,3 Status Output Voltage

ISTAT = 1.6 mA (Fault Condition)

0.4

VSCL1,2,3

Status Clamp Voltage

ISTAT = 10 mA

ISTAT = -10 mA

5.5

-0.7

tPOL

Status Delay

(

∗) (see figure 1)

300

950

µs

tPOVL

Status Delay

(

∗) (see figure 1)

µs

VDEMAG

Turn-off Output Clamp

Voltage

IOUT1 = 2 A

L = 1 mH

VIN1 = 0

IOUT2 = 2 A

L = 1 mH

VIN2 = 0

IOUT3 = 0.5 A

L = 1 mH

VIN3 = 0

VCC-45 VCC-50 VCC-55

(

∗) ISO definitions TPOL = Status delay in case of open load conditions

TPOVL = Status delay in case of over load conditions

VN450

5/9

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