Datasheet

Data Sheet 25 Rev. 2.1, 2011-09-01
PROFET™+ 12V
BTS5045-2EKA
Protection Functions
Figure 19 Overload Protection
Note: For better understanding, the time scale is not linear. The real timing of this drawing is application dependant
and cannot be described.
6.5.3 Short Circuit Appearance with Channel in Parallel
The two channels are not synchronized in the restart event. When the two channels are in temperature limitation,
the channel which has cooled down the fastest doesn’t wait for the second one to be cooled down as well to restart.
Thus, it is not recommended to use the device with channels in parallel.
IN
t
I
L
t
I
L(x)SC
I
IS
t
0A
I
IS(FAULT)
V
DEN
t
0V
T
DMOS
t
ΔT
STEP
T
A
ΔT
J(S W)
ΔT
J(S W )
ΔT
J(S W)
Hard start . vsd
t
sIS( FA ULT)
I
L(NOM)
I
L(NOM)
/ k
ILIS
t
sIS(OT _b l ank)
T
J( SC)
t
sIS (OFF )
LOAD CURRENT LIMITATION PHASE
LOAD CURRENT BELOW
LIMITATION PHASE