Datasheet

IRF1404S/LPbF
6 www.irf.com
Q
G
Q
GS
Q
GD
V
G
Charge
D.U.T.
V
DS
I
D
I
G
3mA
V
GS
.3µF
50KΩ
.2µF
12V
Current Regulator
Same Type as D.U.T.
Current Sampling Resistors
+
-
10 V
Fig 13b. Gate Charge Test Circuit
Fig 13a. Basic Gate Charge Waveform
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
Fig 12b. Unclamped Inductive Waveforms
Fig 12a. Unclamped Inductive Test Circuit
t
p
V
(BR)DSS
I
AS
R
G
I
AS
0.01
Ω
t
p
D.U.T
L
V
DS
+
-
V
DD
DRIVER
A
15V
20V
Fig 12d. Typical Drain-to-Source Voltage
Vs. Avalanche Current
0 20 40 60 80 100
I
AV
, Avalanche Current ( A)
40
42
44
46
48
50
V
D
S
a
v
,
A
v
a
l
a
n
c
h
e
V
o
l
t
a
g
e
(
V
)
25 50 75 100 125 150 175
0
200
400
600
800
1000
1200
Starting T , Junction Temperature( C)
E , Single Pulse Avalanche Energy (mJ)
J
AS
°
I
D
TOP
BOTTOM
39A
67A
95A