BTS 707

Semiconductor Group

9

2003-Oct-01

IN

V

OUT

t

V

bb

ST open drain

A

A

d(bb IN)

t

in case of too early VIN=high the device may not turn on (curve A)

Figure 2a: Switching an inductive load

IN

ST

OUT

L

t

V

I

Figure 3a: Short circuit:

shut down by overtempertature, reset by cooling

IN

ST

L

t

I

L(SCr)

I

I

L(SCp)

Output short to GND

normal

operation

Heating up requires several milliseconds, depending on external

conditions. External shutdown in response to status fault signal

recommended.

Figure 4a: Overtemperature:

IN

ST

OUT

J

t

V

T

Timing diagrams

Both channels are symmetric and consequently the diagrams are valid for channel 1 and

channel 2