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BTS452TT
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
2004-01-27
Page 13
BTS 452 T
Maximum allowable load inductance
for a single switch off
L
= f(
I
L
)
;
T
jstart
=150°C,
R
L
=0
Ω
0
0.25
0.5
0.75
1
1.25
1.5
A
2
I
L
0
500
1000
1500
2000
2500
3000
3500
mH
4500
L
13.5V
42V
Maximum allowable inductive switch-off
energy, single pulse
E
AS
= f(
I
L
);
T
jstart
= 150°C,
V
bb
= 13,5V
0
0.25
0.5
0.75
1
1.25
1.5
A
2
I
L
0
200
400
600
800
mJ
1200
E
AS
2004-01-27
Page 14
BTS 452 T
Timing diagrams
Figure 2b:
Switching a lamp,
Figure 1a:
Vbb turn on:
IN
OUT
L
t
I
IN
V
OUT
V
bb
t
Figure 2a:
Switching a resistive load,
turn-on/off time and slew rate definition
Figure 2c:
Switching an inductive load
IN
t
V
OUT
I
L
t
t
on
of
f
90%
dV
/
dt
o
n
d
V
/d
to
ff
10%
IN
L
t
V
I
OUT
2004-01-27
Page 15
BTS 452 T
Figure 3a:
Turn on into short circuit,
shut down by overtemperature, restart by cooling
t
I
IN
L
L(SCr
)
I
I
L(SCp
)
t
off(SC
)
t
m
t
Figure 5:
Undervoltage restart of charge pump
Heating up of the chip may require several milliseconds, depending
on external conditions.
V
o n
V
b b (
u n d e
r
)
V
b b (
u c p )
V
b b
Figure 4
: Overtemperature:
Reset if T
j
< T
jt
IN
OUT
J
t
V
T
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
BTS452TT
Mfr. #:
Buy BTS452TT
Manufacturer:
Infineon Technologies
Description:
IC PWR SWITCH 60V HISIDE DPAK-5
Lifecycle:
New from this manufacturer.
Delivery:
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EMS
Payment:
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