IRHLNA797064 Datasheet, PDF (8/9 Pages) International Rectifier – RADIATION HARDENED LOGIC LEVEL POWER MOSFET SURFACE MOUNT (SMD-2)

IRHLNA797064, 2N7622U2
Pre-Irradiation
V_DS
L
R_G
-V2G0VS
tp
D.U.T
I_AS
0.01Ω
DRIVER
-
+
VV_DDDD
A
15V
Fig 16a. Unclamped Inductive Test Circuit
I_AS
tp
V_(BR)DSS
Fig 16b. Unclamped Inductive Waveforms
Q_G
-4.5V
Q_GS
Q_GD
V_G
Charge
Fig 17a. Basic Gate Charge Waveform
V_DS
V_GS
R_G
R_D
D.U.T.
V_GS
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
-
+ V_DD
Fig 18a. Switching Time Test Circuit
8
Current Regulator
Same Type as D.U.T.
-1122VV
.2µF
50KΩ
.3µF
D.U.T.
-
+VDS
V_GS
-3mA
I_G
I_D
Current Sampling Resistors
Fig 17b. Gate Charge Test Circuit
V_GS
10%
t_d(on) t_r
t_d(off) t_f
90%
V_DS
Fig 18b. Switching Time Waveforms
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