Datasheet

IRF2805PbF
6 www.irf.com
25 50 75 100 125 150 175
0
200
400
600
800
1000
Starting Tj, Junction Temperature ( C)
E , Single Pulse Avalanche Energy (mJ)
AS
°
I
D
TOP
BOTTOM
43A
87A
104A
Q
G
Q
GS
Q
GD
V
G
Charge
D.U.T.
V
DS
I
D
I
G
3mA
V
GS
.3µF
50K
.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
t
p
D.U.T
L
V
DS
+
-
V
DD
DRIVER
A
15V
20V
V
GS
-75 -50 -25 0 25 50 75 100 125 150 175
T
J
, Temperature ( °C )
1.0
2.0
3.0
4.0
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