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VN771 Datasheet(PDF) 4 Page - STMicroelectronics

No. de Pieza. VN771
Descripción  QUAD SMART POWER SOLID STATE RELAY FOR COMPLETE H-BRIDGE CONFIGURATIONS
Descarga  10 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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VN771 Datasheet(HTML) 4 Page - STMicroelectronics

 
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PROTECTION CIRCUITS
DUAL HIGH SIDE SWITCH
The simplest way to protect the device against a
continuous reverse battery voltage (-26V) is to
insert a a small resistor between pin 2 (GND) and
ground. The suggested resistance value is about
150
Ω. In any case the maximum voltage drop on
this resistor should not overcome 0.5V.
If there is no need for the control unit to handle
external analog signals referred to the power
GND, the best approach is to connect the
reference potential of the control unit to the
device ground (see application circuit in fig. 3),
which becomes the common signal GND for the
whole control board avoiding shift of Vih,Vil and
Vstat.
TRUTH TABLE (for Dual high-side switch only)
I NPUT 1
INPUT 2
SO URCE 1 SOURCE 2
DIAG NO STI C
Normal Operation
L
H
L
H
L
H
H
L
L
H
L
H
L
H
H
L
H
H
H
H
Under-voltage
X
X
L
L
H
T hermal Shut down
Channel 1
HX
L
X
L
Channel 2
XH
X
L
L
O pen Load
Channel 1
H
L
X
L
H
L
X
L
L
L
Channel 2
X
L
H
L
X
L
H
L
L
L
O utput Shorted to VCC
Channel 1
H
L
X
L
H
H
X
L
L
L
Channel 2
X
L
H
L
X
L
H
H
L
L
NOTE: The low-side switches have the fault feedback which can be detected by monitoring the voltage at the input pins.
L = Logic LOW, H = Logic HIGH, X = Don’t care
ABSOLUTE MAXIMUM RATING (-40
oC< Tj < 150 oC)
HIGH SIDE SWITCH
Symb ol
Parameter
Value
Uni t
V(BR)DSS
Drain-Source Brekdown Voltage
40
V
IOUT
Output Current (continuous)
14
A
IR
Reverse O utput Current
-14
A
IIN
Input Current
±10
mA
-VCC
Reverse Supply Current
-4
V
ISTAT
St atus Current
±10
mA
VESD
Elect rostatic Discharge (C = 100 pF, R = 1. 5 K
Ω)
2000
V
Ptot
Power Dissipat ion @ Tc =25
oC
Int ernally Limited
W
Tj
Junct ion Operat ing Temperature
-40 to 150
oC
Tstg
St orage Temperature
-55 to 150
oC
VN771
4/10


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