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| AUIRS2184S_15 Datasheet, PDF (13/25 Pages) International Rectifier – Floating channel designed for bootstrap operation | |||
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AUIRS2184(4)S
Tolerability to Negative VS Transients
The AUIRS21844S has been seen to withstand negative VS transient conditions on the
order of -20V for a period of 400 ns.
An illustration of the AUIRS21844S performance can be seen in Figure 7, where points
above the lines represent pulses that the circuit can withstand (with VCC=VBS= 15V).
Two curves are present in figure 7: one refers to ambient temperature TA=25 °C, the other
refers to tests performed at TA=-40 °C, 25 °C and 125 °C.
Even though the AUIRS21844S has been shown able to handle these negative VS transient
conditions, it is highly recommended that the circuit designer always limit the negative VS
transients as much as possible by careful PCB layout and component use.
Figure 7: -Vs Transient results
13 www.irf.com © 2014 International Rectifier
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July 22, 2014
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