bts734l1 ETC-unknow, bts734l1 Datasheet - Page 10

• Manufacturer Part Number: bts734l1
• Description: Smart Channel Highside Power Switch Overload Protection Current Limitation Short-circuit Protection Thermal Shutdown
• Manufacturer: ETC-unknow

Inductive load switch-off energy
dissipation
Energy stored in load inductance:
While demagnetizing load inductance, the energy
dissipated in PROFET is
with an approximate solution for R L
Maximum allowable load inductance for
a single switch off
L = f (I L ); T j,start = 150°C, V bb = 12 V, R L = 0
L [mH]
Semiconductor Group
=
1000
100
E
10
AS
1
3
E
=
E
b b
2
I
AS
L
·
R
4
·
L
= E
L
(
5
V
bb
bb
IN
S T
+ E
6
+ |V
E
L
L
PROFET
OUT(CL)
7
- E
=
(one channel)
G N D
1 /
V
R
b b
2
8
= V
·
L
|)
·
9
ON(CL)
I
2
L
ln
O U T
10 11 12 13 14
(1+
E A S
0 :
5)
·
Z
|V
i
L
L
(t) dt,
{
OUT(CL)
I
R
L
L
·
L
R
L
I L [A]
|
E
E
E Load
)
R
L
10
BTS 734 L1