參數(shù)資料
型號(hào): BSP742-T
英文描述: Ultra Low Capacitance Transient Voltage Suppressor Diodes
中文描述: ?400mΩ。 5 - 34V的0.8A。的P - DSO的- 8?
文件頁(yè)數(shù): 9/17頁(yè)
文件大?。?/td> 230K
代理商: BSP742-T
2000-06-06
Page 9
BSP 742 R
Open-load detection
OFF-state diagnostic condition:
V
OUT
> 3V typ.; IN=low
Vbb disconnect with charged inductive
load
PROFET
V
IN
ST
OUT
GND
bb
Vbb
high
Open load
detection
Logic
unit
VOUT
Signal GND
IL(OL)
OFF
GND disconnect
PROFET
V
IN
ST
OUT
GND
bb
Vbb
VINVST
VGND
Inductive Load switch-off energy
dissipation
PROFET
V
IN
ST
OUT
GND
bb
=
E
E
E
EAS
bb
L
R
ELoad
RL
L
^
L
Z
GND disconnect with GND pull up
PROFET
V
IN
ST
OUT
GND
bb
Vbb
VGND
VINVST
Energy stored in load inductance: E
L
= * L * I
L2
While demagnetizing load inductance,
the enérgy dissipated in PROFET is
E
AS
= E
bb
+ E
L
- E
R
=
ò
V
ON(CL)
* i
L
(t) dt,
with an approximate solution for R
L
> 0
W
:
E
I
2
L
R
V
V
I
R
V
AS
L
L
bb
OUT CL
L
L
OUT CL
=
+
+
*
*
* (
|
)* ln(
*
|
|)
(
)|
)
1
相關(guān)PDF資料
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BSP752-R Ultra Low Capacitance Transient Voltage Suppressor Diodes
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BSP762-T ?100mΩ. 5-34V 2.4A. P-DSO-8?
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