VN920SPTR-E datasheet(10/27 Pages) STMICROELECTRONICS

10 / 27 page

Electrical specifications

VN920SP-E

10/27

Doc ID 10896 Rev 3

Table 10.

Current sense(1)

9 V

≤ VCC ≤ 16 V.

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

IOUT/ISENSE

IOUT = 1 A; VSENSE = 0.5 V;

Tj = -40 °C...150 °C

3300

4400

6000

dK1/K1

Current sense ratio drift

IOUT = 1 A; VSENSE = 0.5 V;

Tj = - 40 °C...150 °C

-10

+10

IOUT/ISENSE

IOUT = 10 A; VSENSE = 4 V;

Tj = - 40 °C

Tj = 25 °C...150 °C

4200

4400

4900

6000

5750

dK2/K2

Current sense ratio drift

IOUT = 10 A; VSENSE = 4 V;

Tj = -40 °C...150 °C

-8

IOUT/ISENSE

IOUT = 30 A; VSENSE = 4 V;

Tj = -40 °C

Tj = 25 °C...150 °C

4200

4400

4900

5500

5250

dK3/K3

Current sense ratio drift

IOUT = 30 A; VSENSE = 4 V;

Tj = -40 °C...150 °C

-6

ISENSE0

Analog sense leakage

current

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

VSENSE = 0 V;

Tj = -40 °C...150 °C

µA

VSENSE

Max analog sense

output voltage

VCC = 5.5 V; IOUT = 5 A;

RSENSE = 10 kΩ

VCC > 8 V, IOUT = 10 A;

RSENSE = 10 kΩ

VSENSEH

Sense voltage in

overtemperature

condition

VCC = 13 V; RSENSE = 3.9 kΩ

5.5

RVSENSEH

Analog sense output

impedance in

overtemperature

condition

VCC = 13 V; Tj > TTSD;

output open

400

tDSENSE

Current sense delay

response

To 90 % ISENSE

(2)

Current sense signal delay after positive input slope.

500

µs

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