AO3438 Datasheet, PDF (4/4 Pages) Alpha & Omega Semiconductors – N-Channel Enhancement Mode Field Effect Transistor

SMD Type
MOSFET
N-Channel MOSFET
AO3438 (KO3438)
■ Typical Characterisitics
5
V_DS=10V
I_D=3A
4
400
300
C_iss
3
200
2
1
100
C_oss
C_rss
0
0 0.5 1 1.5 2 2.5 3 3.5
Q_g (nC)
Figure 7: Gate-Charge Characteristics
0
0
5
10
15
20
V_DS (Volts)
Figure 8: Capacitance Characteristics
100.00
10.00
T_J(Max)=150°C
T_A=25°C
1.00
0.10
R_DS(ON)
limited
10µs
100µ
1m
1s0ms
0.1s
1s
DC
0.01
0.1
1
10
100
V_DS (Volts)
.
Figure 9: Maximum Forward Biased Safe
Operating Area (Note E)
1000
100
T_J(Max)=150°C
T_A=25°C
10
1
0.00001
0.001
0.1
10
1000
Pulse Width (s)
Figure 10: Single Pulse Power Rating Junction-to-
Ambient (Note E)
10
D=T_on/T
In descending order
1
T_J,PK=T_A+P_DM.Z_θJA.R_θJA
R_θJA=90°C/W
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
12
0.1
0.01
0.001
0.00001
Single Pulse
P_D
T_on
T
0.0001
0.001
0.01
0.1
1
10
100
Pulse Width (s)
Figure 11: Normalized Maximum Transient Thermal Impedance (Note E)
1000
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