IRHN7250/IRHN8250 Devices
1
0.50
0.20
0.1 0.10
0.05
0.02
0.01
0.01
0.001
0.00001
Pre-Radiation
SINGLE PULSE
(THERMAL RESPONSE)
PDM
t1
t2
Notes:
1. Duty factor D = t 1/ t 2
2. Peak TJ = PDM x Z thJC + TC
0.0001
0.001
0.01
0.1
1
10
t1, Rectangular Pulse Duration (sec)
Figure 26. – Maximum Effective Transient Thermal Impedance, Junction-to-Case Vs. Pulse Duration
F-356
30
25
20
15
10
5
0
25
50
75
100
125
150
TC, Case Temperature ( °C)
Figure 27. – Maximum Drain Current Vs. Case Temperature