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參數(shù)資料
| 型號： | Q67060-S7411-A803 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 通用總線功能 |
| 英文描述： | High Speed CMOS Logic Decade Counter/Divider with 10 Decoded Outputs 16-TSSOP -55 to 125 |
| 中文描述： | 智能阻抗高側(cè)電源開關(guān) |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 262K |
| 代理商： | Q67060-S7411-A803 |
Data sheet BTS 6143 D
Infineon Technologies AG
11 of 16
2003-Oct-01
Short circuit detection
Fault Condition:
V
ON
> V
ON(SC)
(3.5
V typ.) and t> t
d(SC)
(typ.650 μs).
Overload detection
Fault Condition:
V
ON
> 1
V typ.
detection
circuit
Logic
unit
+ Vbb
OUT
V
ON
Short circuit
Short circuit is a combination of primary and
secondary impedance’s and a resistance’s.
PROFET
V
IN
OUT
IS
bb
RSC
IIN
Vbb
ZL
SC
LSC
10mOhm
5uH
A
llowable combinations of minimum, secondary
resistance for full protection at given secondary
inductance and supply voltage for single short circuit
event:
LSC
[uH]
Vbb
18V
0
5
16V
10
0
100
200
RSC
[mOhm]
15
300
24V
30V
Inductive load switch-off energy
dissipation
E
bb
PROFET
V
IN
OUT
IS
bb
E
E
EAS
L
R
ELoad
L
R
L
{
Z
R
IS
I
IN
V
bb
i (t)
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 RL
>
0
:
E
AS
= I
L
·
L
2
·
R
L
(
V
bb
+
|V
OUT(CL)
|)
ln
(1+
I
L
·
R
L
|V
OUT(CL)
| )
Maximum allowable load inductance for
a single switch off
L = f (IL );
Tj,start =
150°C, Vbb =
12
V, RL =
0
1000
0,01
0,1
1
10
100
1
10
100
I_L [A]
L [mH]
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