AO4801 查看數據表（PDF） - Unspecified
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AO4801 Datasheet PDF : 5 Pages
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Freescale
AO4801/MC4801
Typical Electrical Characteristics (P-Channel)
100
10
1
0.1
0.01
TA = 125oC
25oC
0.001
0.0001
0
0.2
0.4
0.6
0.8
1
1.2
-VSD, BODY DIODE FORWARD VOLTAGE (V)
Figure 7. Source-Drain Diode Forward Voltage
1.2
ID = -250µA
1
0.8
0.6
0.4
-50
-25
0
25
50
75
100
125
150
TA, AMBIENT TEMPERATURE (oC)
Figure 9. Vth Gate to Source Voltage Vs Temperature
0.15
0.12
0.09
0.06
0.03
0
1
2
3
4
5
-VGS, GATE TO SOURCE VOLTAGE (V)
Figure 8. On-Resistance with Gate to Source Voltage
50
SINGLE PULSE
RqJA = 125oC/W
40
TA = 25oC
30
20
10
0
0.001 0.01
0.1
1
10
100
t1, TIME (SEC)
Figure 10. Single Pulse Maximum Power Dissipation
1
D = 0.5
0.2
0.1
0.1
0.0
0.02
0.01
0.01
S INGLE P ULS E
0.001
0.0001
0.001
Normalized Thermal Transient Junction to Ambient
RqJ A(t) = r(t) +R qJ A
R qJ A = 125 癈/W
P (pk)
t1
t2
TJ - TA = P *RqJ A(t)
Duty C ycle , D = t1/ t2
0.01
0.1
1
10
100
1000
t1, TIM E (s ec )
Figure 11. Transient Thermal Response Curve
4
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