AO4408 View Datasheet(PDF) - Unspecified
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AO4408 Datasheet PDF : 5 Pages
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Freescale
AO4408/MC4408
Typical Electrical Characteristics (N-Channel)
10
8
6
4
2
0
0
4
8
12
16
20
24
28
Qg, Gate Charge (nC)
1600
1200
Ciss
f = 1MHz
VGS = 0 V
800
Coss
400
Crss
0
0
5 10 15 20 25 30
VDS, DRAIN TO SOURCE VOLTAGE (V)
Figure 7. Gate Charge Characteristics
2.4
VDS = VGS
2.2
ID = 250mA
2
1.8
1.6
1.4
1.2
1
-50 -25 0 25 50 75 100 125 150 175
TA, AMBIENT TEMPERATURE (oC)
Figure 8. Capacitance Characteristics
50
SINGLE PULSE
RqJA = 125C/W
40
TA = 25C
30
20
10
0
0.001 0.01
0.1
1
10
100
t1, TIME (sec)
Figure 9. Threshold Vs Ambient Temperature
Figure 10. Single Pulse Maximum Power Dissipation
1
0.1
0.01
D = 0.5
0.2
0.1
0.05
0.02
0.01
0.001
0.0001
SINGLE PULSE
0.001
Normalized Thermal Transient Junction to Ambient
RqJA(t) = r(t) * RqJA
RqJA = 125 C/W
P(pk)
t1
t2
0.01
0.1
1
10
t1, TIME (sec)
Square Wave Pulse Duration (S)
Figure 11. Transient Thermal Response Curve
TJ - TA = P * RqJA(t)
Duty Cycle, D = t1 / t2
100
1000
4
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