VN920SP datasheet(4/16 Pages) STMICROELECTRONICS

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VN920SP

ELECTRICAL CHARACTERISTICS (continued)

CURRENT SENSE (9V

≤V

CC≤16V) (See Fig. 1)

PROTECTIONS

Note 2: current sense signal delay after positive input slope

Note: Sense pin doesn’t have to be left floating.

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

IOUT/ISENSE

IOUT=1A; VSENSE=0.5V;

Tj= -40°C...150°C

3300

4400

6000

dK1/K1

Current Sense Ratio Drift

IOUT=1A; VSENSE=0.5V;

Tj= -40°C...+150°C

-10

+10

IOUT/ISENSE

IOUT=10A; VSENSE=4V; Tj=-40°C

Tj=25°C...150°C

4200

4400

4900

6000

5750

dK2/K2

Current Sense Ratio Drift

IOUT=10A; VSENSE=4V;

Tj=-40°C...+150°C

-8

IOUT/ISENSE

IOUT=30A; VSENSE=4V; Tj=-40°C

Tj=25°C...150°C

4200

4400

4900

5500

5250

dK3/K3

Current Sense Ratio Drift

IOUT=30A; VSENSE=4V;

Tj=-40°C...+150°C

-6

ISENSEO

Analog Sense Leakage

Current

VCC=6...16V; IOUT=0A;VSENSE=0V;

Tj=-40°C...+150°C

010

µA

VSENSE

Max Analog Sense Output

Voltage

VCC=5.5V; IOUT=5A; RSENSE=10KΩ

VCC>8V; IOUT=10A; RSENSE=10KΩ

VSENSEH

Sense Voltage in

Overtemperature

conditions

VCC=13V; RSENSE=3.9KΩ

5.5

RVSENSEH

Analog sense output

impedance in

overtemperature condition

VCC=13V; Tj>TTSD; Output Open

400

Ω

tDSENSE

Current sense delay

response

to 90% ISENSE (see note 2)

500

µs

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

TTSD

Shut-down Temperature

150

175

200

°C

Reset Temperature

135

°C

Thyst

Thermal Hysteresis

°C

Ilim

DC Short Circuit Current

VCC=13V

5V<VCC<36V

Vdemag

Turn-off Output Clamp

Voltage

IOUT=2A; VIN=0V; L=6mH

VCC-41 VCC-48 VCC-55

VON

Output Voltage Drop

Limitation

IOUT=1A; Tj=-40°C....+150°C

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