VND830ASP-E datasheet(10/27 Pages) STMICROELECTRONICS

10 / 27 page

Electrical specifications

VND830ASP-E

10/27

Doc ID 17605 Rev 2

Table 9.

Current sense(1)

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

IOUT/ISENSE

IOUT1 or IOUT2 =0.05A;

VSENSE = 0.5 V; other channels

open; Tj = -40 °C...150 °C

600

1300

2000

IOUT/ISENSE

IOUT1 or IOUT2 =0.25A;

VSENSE = 0.5 V; other channels

open; Tj = -40 °C...150 °C

1000

1400

1900

dK1/K1

Current sense ratio drift

IOUT1 or IOUT2 =0.25A;

VSENSE = 0.5 V; other channels

open; Tj = -40 °C...150 °C

-10

+10

IOUT/ISENSE

IOUT1 or IOUT2 =1.6 A; VSENSE =4 V;

other channels open; Tj =-40 °C

Tj = 25 °C...150 °C

1280

1300

1500

1800

1780

dK2/K2

Current sense ratio drift

IOUT1 or IOUT2 =1.6 A; VSENSE =4 V;

other channels open;

Tj = -40 °C...150 °C

-6

IOUT/ISENSE

IOUT1 or IOUT2 =2.5 A; VSENSE =4 V;

other channels open; Tj =-40 °C

Tj = 25 °C...150 °C

1280

1340

1500

1680

1600

dK3/K3

Current sense ratio drift

IOUT1 or IOUT2 =2.5 A; VSENSE =4V;

other channels open;

Tj = -40 °C...150 °C

-6

ISENSE

Analog sense leakage

current

VIN =0V; IOUT =0A; VSENSE =0 V;

Tj = -40 °C...150 °C

µA

VIN =5V; IOUT =0A; VSENSE =0 V;

Tj = -40 °C...150 °C

010

µA

VSENSE

Max analog sense output

voltage

VCC = 5.5 V; IOUT1,2 =1.3 A;

RSENSE =10kΩ

VCC >8V, IOUT1,2 =2.5 A;

RSENSE =10kΩ

VSENSEH

Sense voltage in

overtemperature condition

VCC =13V; RSENSE =3.9 kΩ

5.5

RVSENSEH

Analog sense output

impedance in

overtemperature condition

VCC =13V; Tj >TTSD;

All channels open

400

tDSENSE

Current sense delay

response

to 90% ISENSE

(2)

500

µs

9 V

≤ VCC ≤ 16 V (see Figure 4)

Current sense signal delay after positive input slope.

Sense pin doesn’t have to be left floating.

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