JANSR2N7278 Datasheet, PDF (4/7 Pages) Intersil Corporation – 4A, 250V, 0.700 Ohm, Rad Hard, N-Channel Power MOSFET

JANSR2N7278
Test Circuits and Waveforms
ELECTRONIC SWITCH OPENS
WHEN I_AS IS REACHED
V_DS
L
CURRENT
TRANSFORMER
+
I_AS
-
VARY t_P TO OBTAIN
REQUIRED PEAK I_AS
50Ω
V_GS ≤ 20V
t_P
50Ω
0V
DUT
+
V_DD
-
50V -150V
t_P
I_AS
BV_DSS
V_DS
V_DD
t_AV
FIGURE 4. UNCLAMPED ENERGY TEST CIRCUIT
FIGURE 5. UNCLAMPED ENERGY WAVEFORMS
V_GS = 10V
0V
V_DD
R_GS
R_L
V_DS
DUT
FIGURE 6. RESISTIVE SWITCHING TEST CIRCUIT
V_DS
t_ON
t_d(ON)
t_r
90%
t_OFF
t_d(OFF)
t_f
90%
10%
V_GS
10%
50%
PULSE WIDTH
10%
90%
50%
FIGURE 7. RESISTIVE SWITCHING WAVEFORMS
10V
Q_g
Q_gs
V_G
Q_gd
CHARGE
FIGURE 8. BASIC GATE CHARGE WAVEFORM
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