JANSR2N7400 Datasheet, PDF (5/8 Pages) Intersil Corporation – 8A, 200V, 0.440 Ohm, Rad Hard, N-Channel Power MOSFET

JANSR2N7400
Typical Performance Curves Unless Otherwise Specified (Continued)
50
STARTING T_J = 25^oC
10
STARTING T_J = 150^oC
IF R = 0
t_AV = (L) (I_AS) /
(1.3 RATED BV_DSS - V_DD)
IF R ≠ 0
t_AV = (L/R) ln [(I_AS*R) /
1 ^{(1.3 RATED BVDSS - VDD) + 1]}
0.01
0.1
1
10
t_AV, TIME IN AVALANCHE (ms)
FIGURE 8. UNCLAMPED INDUCTIVE SWITCHING
Test Circuits and Waveforms
VARY t_P TO OBTAIN
REQUIRED PEAK I_AS
R_G
V_GS
t_P
0V
V_DS
L
DUT
+
V_DD
-
I_AS
0.01Ω
FIGURE 9. UNCLAMPED ENERGY TEST CIRCUIT
t_P
I_AS
BV_DSS
V_DS
V_DD
t_AV
FIGURE 10. UNCLAMPED ENERGY WAVEFORMS
V_GS = 12V
0V
V_DD
R_GS
R_L
V_DS
DUT
FIGURE 11. RESISTIVE SWITCHING TEST CIRCUIT
V_DS
t_ON
t_d(ON)
t_r
90%
t_OFF
t_d(OFF)
t_f
90%
10%
10%
V_GS
10%
50%
PULSE WIDTH
90%
50%
FIGURE 12. RESISTIVE SWITCHING WAVEFORMS
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