Datasheet

IRF3805S/L-7PPbF
www.irf.com © 2013 International Rectifier Submit Datasheet Feedback October 25, 2013
6
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
Fig 14. Threshold Voltage vs. Temperature
R
G
I
AS
0.01
Ω
t
p
D.U.T
L
V
DS
+
-
V
DD
DRIVER
A
15V
20V
V
GS
25 50 75 100 125 150 175
Starting T
J
, Junction Temperature (°C)
0
500
1000
1500
2000
E
A
S
,
S
i
n
g
l
e
P
u
l
s
e
A
v
a
l
a
n
c
h
e
E
n
e
r
g
y
(
m
J
)
I
D
TOP 21A
37A
BOTTOM 140A
-75 -50 -25 0 25 50 75 100 125 150 175 200
T
J
, Temperature ( °C )
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
V
G
S
(
t
h
)
G
a
t
e
t
h
r
e
s
h
o
l
d
V
o
l
t
a
g
e
(
V
)
I
D
= 250µA
I
D
= 1.0mA
I
D
= 1.0A