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參數(shù)資料
| 型號： | VNI4140KTR |
| 廠商： | 意法半導體 |
| 英文描述： | Zener Diode; Application: General; Pd (mW): 500; Vz (V): 14.9 to 15.5; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: DO-35 |
| 中文描述： | 四高端智能功率固態(tài)繼電器 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大?。?/td> | 508K |
| 代理商： | VNI4140KTR |
November 2007
Rev 2
1/23
23
VNI4140K
Quad high side smart power solid state relay
Features
■
Output current : 0.7 A per channel
■
Shorted load protections
■
Junction over-temperature protection
■
Case overtemperature protection for thermal
independence of the channels
■
Thermal case shut-down restart not
simultaneous for the various channels
■
Protection against loss of ground
■
Current limitation
■
Undervoltage shut-down
■
Open drain diagnostic outputs
■
3.3 V CMOS/TTL compatible inputs
■
Fast demagnetization of inductive loads
■
Conforms to IEC 61131-2
Description
The VNI4140K is a monolithic device made using
STMicroelectronics VIPower technology, intended
for driving four independent resistive or inductive
loads with one side connected to ground. Active
current limitation avoids dropping the system
power supply in case of shorted load. Built-in
thermal shut-down protects the chip from
overtemperature and short circuit. In overload
condition, channel turns OFF and back ON
automatically so as to maintain junction
temperature between T
TSD
and T
R
. If
this
condition makes case temperature reach T
CSD
,
overloaded channel is turned OFF and will restart
only when case temperature has decreased down
to T
CR
. In case of more than one channel in
overload, re-start of the overloaded channels will
not be simultaneous, in order to avoid high peak
current from the supply. Non overloaded channels
continue to operate normally. The open drain
diagnostics outputs indicates over-temperature
conditions.
Type
V
demag(1)
1.
Per channel
R
DSon(1)
I
out(1)
V
CC
VNI4140K
V
CC
-41 V
0.08
0.7 A
41 V
PowerSSO-24
www.st.com
Figure 1.
Block diagram
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