Datasheet

Data Sheet 12 V1.1, 2007-09-25
Smart High-Side Power Switch
BTS723GW
Inductive load switch-off energy
dissipation
352)(7
9
,1
67
287
*1'
EE
(
(
(
(
$6
EE
/
5
(
/RDG
5
/
/
^
/
=
Energy stored in load inductance:
E
L
=
1
/
2
·L·I
2
L
While demagnetizing load inductance, the energy
dissipated in PROFET is
E
AS
= E
bb
+ E
L
- E
R
=
V
ON(CL)
·i
L
(t) dt,
with an approximate solution for R
L
> 0 :
E
AS
=
I
L
·L
2
·R
L
(V
bb
+|V
OUT(CL)
|) OQ(1+
I
L
·R
L
|V
OUT(CL)
|
)
Maximum allowable load inductance for
a single switch off
(one channel)
5)
/ I,
/
T
j,start
= 150°C, V
bb
= 12 V, R
L
=0
Z
L
[mH]




I
L
[A]
Typ. on-state resistance
5
21
 I9
EE
7
M
; I
L
= 2 A, IN = high
R
ON
[mOhm]






7M&
&
&
V
bb
[V]
Typ. standby current
,
EERII
 I7
M
; V
bb
= 9...34 V, IN1,2,3,4 = low
I
bb(off)
[µA]








    
T
j
[°C]