Datasheet
IRFML8244TRPbF
www.irf.com 5
Fig 11. Typical Effective Transient Thermal Impedance, Junction-to-Ambient
Fig 9. Maximum Drain Current vs.
Ambient Temperature
V
DS
90%
10%
V
GS
t
d(on)
t
r
t
d(off)
t
f
Fig 10b. Switching Time Waveforms
Fig 10a. Switching Time Test Circuit
V
DS
Pulse Width µs
Duty Factor
R
D
V
GS
R
G
D.U.T.
V
GS
+
-
V
DD
25 50 75 100 125 150
T
A
, Ambient Temperature (°C)
0
1
2
3
4
5
6
I
D
,
D
r
a
i
n
C
u
r
r
e
n
t
(
A
)
1E-006 1E-005 0.0001 0.001 0.01 0.1 1 10
t
1
, Rectangular Pulse Duration (sec)
0.001
0.01
0.1
1
10
100
1000
T
h
e
r
m
a
l
R
e
s
p
o
n
s
e
(
Z
t
h
J
A
)
°
C
/
W
0.20
0.10
D = 0.50
0.02
0.01
0.05
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthja + T
A










