auirf1324s-7ptrr International Rectifier Corp., auirf1324s-7ptrr Datasheet - Page 7

• Manufacturer Part Number: auirf1324s-7ptrr
• Description: Automotive Q101 24v Single N-channel Hexfet Power Mosfet In A D2-pak 7p Package
• Manufacturer: International Rectifier Corp.

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Fig 15. Maximum Avalanche Energy vs. Temperature
250
200
150
100
50
0
25
Starting T J , Junction Temperature (°C)
50
TOP
BOTTOM 1.0% Duty Cycle
I D = 160A
75
100
Single Pulse
125
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
Fig 16. Threshold Voltage Vs. Temperature
150
-75 -50 -25 0
I D = 250µA
I D = 1.0mA
I D = 1.0A
175
T J , Temperature ( °C )
25 50 75 100 125 150 175 200
Notes on Repetitive Avalanche Curves , Figures 14, 15:
(For further info, see AN-1005 at www.irf.com)
1. Avalanche failures assumption:
2. Safe operation in Avalanche is allowed as long asT
3. Equation below based on circuit and waveforms shown in Figure 22a, 22b.
4. P
5. BV = Rated breakdown voltage (1.3 factor accounts for voltage increase
6. I
7. ∆T
Purely a thermal phenomenon and failure occurs at a temperature far in
excess of T
during avalanche).
25°C in Figure 14, 15).
t
D = Duty cycle in avalanche = t
Z
av
av =
thJC
D (ave)
= Allowable avalanche current.
=
Average time in avalanche.
(D, t
Allowable rise in junction temperature, not to exceed T
= Average power dissipation per single avalanche pulse.
av
) = Transient thermal resistance, see Figures 13)
jmax
. This is validated for every part type.
P
D (ave)
= 1/2 ( 1.3·BV·I
I
E
av
AS (AR)
= 2DT/ [1.3·BV·Z
av
·f
= P
D (ave)
av
) = DT/ Z
·t
th
av
]
jmax
thJC
jmax
is not exceeded.
(assumed as
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