參數(shù)資料
型號: JANSR2N7268
廠商: International Rectifier
英文描述: RADIATION HARDENED POWER MOSFET THRU-HOLE
中文描述: 抗輻射功率MOSFET的通孔
文件頁數(shù): 5/8頁
文件大?。?/td> 71K
代理商: JANSR2N7268
5
FIGURE 8. UNCLAMPED INDUCTIVE SWITCHING
Performance Curves
(Continued)
10
1
0.01
1
10
40
0.1
I
A
,
t
AV
, TIME IN AVALANCHE (ms)
STARTING T
J
= 25
o
C
IF R = 0
tAV = (L) (IAS) / (1.3 RATED BVDSS - VDD)
IF R
0
tAV = (L/R) ln [(IAS*R) / (1.3 RATED BVDSS - VDD) + 1]
STARTING T
J
= 150
o
C
Test Circuits and Waveforms
FIGURE 9. UNCLAMPED ENERGY TEST CIRCUIT
FIGURE 10. UNCLAMPED ENERGY WAVEFORMS
FIGURE 11. RESISTIVE SWITCHING TEST CIRCUIT
FIGURE 12. RESISTIVE SWITCHING WAVEFORMS
t
P
V
GS
20V
L
+
-
V
DS
V
DD
DUT
VARY t
P
TO OBTAIN
REQUIRED PEAK I
AS
0V
50
50
50V-150V
I
AS
+
-
ELECTRONIC SWITCH OPENS
WHEN I
AS
IS REACHED
CURRENT
TRANSFORMER
V
DD
V
DS
BV
DSS
t
P
I
AS
t
AV
V
DD
R
L
V
DS
DUT
R
GS
0V
V
GS
= -12V
t
d(ON)
t
r
90%
10%
V
DS
90%
10%
t
f
t
d(OFF)
t
OFF
90%
50%
50%
10%
PULSE WIDTH
V
GS
t
ON
JANSR2N7440
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