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VNQ600AP датащи(PDF) 10 Page - STMicroelectronics

номер детали VNQ600AP
подробное описание детали  QUAD CHANNEL HIGH SIDE SOLID STATE RELAY
PDF  18 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNQ600AP датащи(HTML) 10 Page - STMicroelectronics

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VNQ600AP
LOAD DUMP PROTECTION
Dld is necessary (Voltage Transient Suppressor) if the
load dump peak voltage exceeds VCC max DC rating. The
same applies if the device will be subject to transients on
the VCC line that are greater than the ones shown in the
ISO T/R 7637/1 table.
µC I/Os PROTECTION:
If a ground protection network is used and negative
transients are present on the VCC line, the control pins will
be pulled negative. ST suggests to insert a resistor (Rprot)
in line to prevent the
µC I/Os pins to latch-up.
The value of these resistors is a compromise between the
leakage current of
µC and the current required by the
HSD I/Os (Input levels compatibility) with the latch-up limit
of
µC I/Os.
-VCCpeak/Ilatchup ≤ Rprot ≤ (VOHµC-VIH-VGND) / IIHmax
Calculation example:
For VCCpeak= - 100V and Ilatchup ≥ 20mA; VOHµC ≥ 4.5V
5k
Ω ≤ R
prot ≤ 6kΩ.
Recommended Rprot value is 5kΩ.
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
3000
3500
4000
4500
5000
5500
6000
6500
min.Tj=-40°C
max.Tj=-40°C
min.Tj=25...150°C
max.Tj=25...150°C
typical value
Figure 3: IOUT/ISENSE versus IOUT
IOUT/ISENSE
IOUT (A)



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