ARF465A Просмотр технического описания (PDF) - Advanced Power Technology
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ARF465A Datasheet PDF : 4 Pages
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1.2
1.1
1
0.9
0.8
0.7
0.6
-50 -25 0 25 50 75 100 125
TC, CASE TEMPERATURE (°C)
Figure 5, Typical Threshold Voltage vs Temperature
10
VGS=15V, 10V, 7V
ARF465A/B
6.5V
8
6V
6
5.5V
4
5V
2
4.5V
0
0
5
10 15 20 25 30
VDS, DRAIN-TO-SOURCE VOLTAGE (VOLTS)
Figure 6, Typical Output Characteristics
0.60
0.50
0.40
0.30
0.20
0.10
0
10-5
0.9
0.7
0.5
Note:
0.3
0.1
0.05
SINGLE PULSE
t1
t2
Duty Factor D = t1/t2
Peak TJ = PDM x ZθJC + TC
10-4
10-3
10-2
10-1
1.0
RECTANGULAR PULSE DURATION (SECONDS)
Figure 9, Typical Maximum Effective Transient Thermal Impedance, Junction-To-Case vs Pulse Duration
Junction
temp. ( ”C)
RC MODEL
0.0284
0.00155F
Power
(Watts)
0.165
0.00934F
Case temperature
0.307
0.128F
Figure 9a, TRANSIENT THERMAL IMPEDANCE MODEL
Table 1 - Typical Class AB Large Signal Input - Output Impedance
Freq. (MHz)
2.0
13.5
27
40
65
Zin (Ω)
21.4 -j 8.7
2.6 -j 7.3
.54 -j 2.9
.22 -j .69
.31 +j 1.65
ZOL (Ω)
206 -j 45
68 -j 99
22 -j 64
10.5 -j 44
4.4 -j 27
Zin - Gate shunted with 25Ω
IDQ = 100mA
ZOL - Conjugate of optimum load for 150 Watts output at Vdd = 300V
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