Infineon Technologies AG

7

2006-Mar-27

Truth Table

( each channel )

IN

OUT

ST

Normal operation

L

H

L

H

H

H

Open load

L

H

Z

H

H

Overtemperature

L

H

L

L

H

L

L = "Low" Level

X = don't care

Z = high impedance, potential depends on external circuit

H = "High" Level

Status signal valid after the time delay shown in the timing diagrams

Parallel switching of channel 1 and 2 is easily possible by connecting the inputs and outputs in parallel (see truth

table). If switching channel 1 to 2 in parallel, the status outputs ST1 and ST2 have to be configured as a 'Wired

OR' function with a single pull-up resistor.

Terms

PROFET

IN2

OUT2

GND

Vbb

V

OUT2

I

GND

VON2

10

1

Leadframe

2

3

IN1

V

OUT1

VON1

IL1

OUT1

4

8

VIN1 VIN2 I ST2

Ibb

I IN1

I IN2

I ST1

IL2

R

GND

V

bb

V

ST2

5

12,6

V

ST1

ST2

ST1

operating voltage.

19

) L, if potential at the Output exceeds the OpenLoad detection voltage