BTS 737 S3 Infineon Technologies, BTS 737 S3 Datasheet - Page 12

• Manufacturer Part Number: BTS 737 S3
• Manufacturer: Infineon Technologies

Specifications of BTS 737 S3

• Packages: P-DSO-28
• Channels: 4.0
• Ron @ Tj = 25°c: 35.0 mOhm
• Recommended Operating Voltage Min.: 5.0 V
• Recommended Operating Voltage Max.: 40.0 V
• Il(sc): 40.0 A

Functionality diagrams
All diagrams are shown for chip 1 (channel 1/2). For chip 2 (channel 3/4) the diagrams are valid too. The
channels 1 and 2, respectively 3 and 4, are symmetric and consequently the diagrams are valid for each
channel as well as for permuted channels
Figure 1a: Switching a resistive load,
change of load current in on-condition:
Figure 1b: V
Infineon technologies
The sense signal is not valid during settling time after turn on or
change of load current.
proper turn on under all conditions
I
I
IN
V
S
S
IN
V
I
I
L
L
bb
OUT
,V
,V
S
S
bb
t
on
turn on:
t
Load 1
son(IS)
t
slc(IS)
Load 2
t
soff(IS)
t
t
off
slc(IS)
t
12
V
V
Figure 1c: Behaviour of sense output:
Sense current (I
function of load current dependent on the sense
resistor
Shown is V
resistors. Curve 1 refers to a low resistor, curve 2 to
a medium-sized resistor and curve 3 to a big resistor.
Note, that the sense resistor may not fall short of a
minimum value of 500 .
I
V
ESD
fault
S
IS
= I
= I
L
V
I
S *
S
S
/ k
ILIS
R
S
IS
and I
; R
R
S
IS
IS
) and sense voltage (V
S
= 1 k
> 500
for three different sense
Datasheet BTS737S3
3
nominal
2
1
2004-Feb-19
I
L(lim)
S
) as
1
2
3
I
I
L
L