5 www.irf.com © 2012 International Rectifier February 26, 2013
IRF6645/TRPbF
Fig 13. Typical Threshold Voltage vs.
Junction Temperature
Fig 12. Maximum Drain Current vs. Ambient Temperature
Fig 10. Typical Source-Drain Diode Forward Voltage
Fig11. Maximum Safe Operating Area
Fig 14. Maximum Avalanche Energy vs. Drain Current
0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
V
SD
, Source-to-Drain Voltage (V)
0.1
1.0
10.0
100.0
I
SD
, Reverse Drain Current (A)
V
GS
= 0V
T
J
= 150°C
T
J
= 25°C
T
J
= -40°C
25 50 75 100 125 150
Starting T
J
, Junction Temperature (°C)
0
20
40
60
80
100
120
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
1.5A
2.4A
BOTTOM
3.4A
0.1 1.0 10.0 100.0 1000.0
V
DS
, Drain-toSource Voltage (V)
0.1
1
10
100
1000
I
D
,
D
r
a
i
n
-
t
o
-
S
o
u
r
c
e
C
u
r
r
e
n
t
(
A
)
T
A
= 25°C
Tj = 150°C
Single Pulse
1msec
10msec
OPERATION IN THIS AREA
LIMITED BY R
DS
(on)
100μsec
25 50 75 100 125 150
T
J
, Ambient Temperature (°C)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
I
D
,
D
r
a
i
n
C
u
r
r
e
n
t
(
A
)
-75 -50 -25 0 25 50 75 100 125 150
T
J
, Temperature ( °C )
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
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
= 1.0A
I
D
= 1.0mA
I
D
= 250μA
I
D
= 50μA