AO4438 Datasheet, PDF (4/4 Pages) Alpha & Omega Semiconductors – N-Channel Enhancement Mode Field Effect Transistor

AO4438
60V N-Channel MOSFET
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS: N-CHANNEL
10
V_DS=30V
I_D=8.2A
8
6
4
2
0
0
10
20
30
40
50
Q_g (nC)
Figure 7: Gate-Charge Characteristics
3500
3000
2500
C_iss
2000
1500
1000
500
C_oss
C_rss
0
0
5
10
15
20
25
30
V_DS (Volts)
Figure 8: Capacitance Characteristics
100.0
10.0
R_DS(ON)
limited
1.0
T_J(Max)=150°C
T_A=25°C
100µs 10µs
1ms
10ms
1s
0.1s
10s
DC
0.1
0.1
1
10
100
V_DS (Volts)
Figure 9: Maximum Forward Biased Safe
Operating Area (Note E)
40
T_J(Max)=150°C
T_A=25°C
30
20
10
0
0.001 0.01 0.1
1
10 100 1000
Pulse Width (s)
Figure 10: Single Pulse Power Rating Junction-to-
Ambient (Note E)
10
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
0.01
0.00001
Single Pulse
P_D
T_on
T
0.0001
0.001
0.01
0.1
1
10
Pulse Width (s)
Figure 11: Normalized Maximum Transient Thermal Impedance
100
1000
4/4
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