JANSR2N7626UB Datasheet, PDF (8/11 Pages) International Rectifier – RADIATION HARDENED LOGIC LEVEL POWER MOSFET SURFACE MOUNT (UB)

IRHLUB7970Z4, JANSR2N7626UB
Pre-Irradiation
V_DS
L
R_G
-2V0_GV_S
tp
D.U.T.
I_AS
0.01Ω
DRIVER
V_DD
A
I_AS
15V
Fig 16a. Unclamped Inductive Test Circuit
-4.5V
Q_GS
V_G
Q_G
Q_GD
Charge
Fig 17a. Basic Gate Charge Waveform
tp
V_(BR)DSS
Fig 16b. Unclamped Inductive Waveforms
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2µF
.3µF
D.U.T.
-
+VDS
V_GS
-3mA
I_G
I_D
Current Sampling Resistors
Fig 17b. Gate Charge Test Circuit
V_DS
V_GS
R_G
V_GS
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
R_D
D.U.T.
-^{V DD}
+
V_GS
10%
t_d(on) t_r
90%
V_DS
t_d(off) t_f
Fig 18a. Switching Time Test Circuit
Fig 18b. Switching Time Waveforms
8
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