AO4451
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
10
8000
V
DS
=-15V
I
D
=-15A
Capacitance (pF)
7000
6000
5000
4000
3000
2000
1000
0
0
60
80
-Q
g
(nC)
Figure 7: Gate-Charge Characteristics
20
40
100
0
0
15
20
25
-V
DS
(Volts)
Figure 8: Capacitance Characteristics
5
10
30
C
rss
C
iss
8
-V
GS
(Volts)
6
4
C
oss
2
100.0
R
DS(ON)
limited
10.0
-I
D
(Amps)
100µs
1ms
Power (W)
10ms
0.1s
1s
T
J(Max)
=150°C
T
A
=25°C
0.1
0.1
10
-V
DS
(Volts)
Figure 9: Maximum Forward Biased Safe
Operating Area (Note E)
1
100
10s
DC
10µs
100
80
60
40
20
0
0.001
T
J(Max)
=150°C
T
A
=25°C
1.0
0.1
1
10
100
1000
Pulse Width (s)
Figure 10: Single Pulse Power Rating Junction-to-
Ambient (Note E)
0.01
10
Z
θ
JA
Normalized Transient
Thermal Resistance
D=T
on
/T
T
J,PK
=T
A
+P
DM
.Z
θJA
.R
θJA
R
θJA
=40°C/W
1
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
0.1
P
D
T
on
Single Pulse
0.0001
0.1
1
10
Pulse Width (s)
Figure 11: Normalized Maximum Transient Thermal Impedance
0.001
0.01
100
1000
T
0.01
0.00001
Alpha & Omega Semiconductor, Ltd.
AOSMD [ ALPHA & OMEGA SEMICONDUCTORS ]
