AUIR3320S

5

2017-7-11

Current Sense Characteristics

Tj=-40°..150°C, Vcc=6..26V (unless otherwise specified). Typical value are given for Vcc=14V and Tj=25°C

Symbol

Parameter

Min.

Typ.

Max.

Units

Test Conditions

Ratio

I Load/Iifb current ratio

4900

6000

6600



Rifb=500

, Iout=30A

Ratio_TC

I Load/Iifb variation over temperature (6)

-4



+4

%

Tj=-40°C to 150°C

Offset

Load current diagnostic offset

-0.4

0

+0.4

A

Iout=2A

Trst

Ifb response time (low signal)



1



µs

90% of the Iout step

Functional Block Diagram

All values are typical

1 ms

3mA

Charge

Pump

Fast turn-off

Driver

reverse

battery

protection

IN

IFB

OUT

VCC

On/Off

Set

Reset

Latch

Q

timer

43V

+

-

-

+

4.7V

Tj > 165°C

Iout > 75A

900µs

timer

-

+

29V

38V

43V

-

+

43V

Wait

Min. Pulse