ARF463A Datasheet, PDF (3/4 Pages) Advanced Power Technology – N-CHANNEL ENHANCEMENT MODE

ARF463A/B
1.2
25
1.0
0.8
0.6
0.4
0.2
0.0
-50 -25 0 25 50 75 100 125 150
T_C, CASE TEMPERATURE (°C)
Figure 5, Typical Threshold Voltage vs Temperature
VGS=15 & 10V
20
8V
15
6V
10
5.5V
5V
5
4.5V
4V
0
0
5
10 15 20 25 30
V_DS, DRAIN-TO-SOURCE VOLTAGE (VOLTS)
Figure 6, Typical Output Characteristics
0.80
0.70
0.9
0.60
0.50
0.7
0.40
0.30
0.20
0.10
0
10^-5
0.5
Note:
0.3
0.1
0.05
SINGLE PULSE
t1
t2
Duty Factor D = ^t1/t2
Peak TJ = PDM x Z_θJC + TC
10^-4
10^-3
10^-2
10^-1
1.0
RECTANGULAR PULSE DURATION (SECONDS)
Figure 9a, Typical Maximum Effective Transient Thermal Impedance, Junction-To-Case vs Pulse Duration
Junction
temp. ( ”C)
RC MODEL
0.147
0.00259F
Power
(watts)
0.231
0.00818F
Case temperature
0.321
0.127F
Figure 9b, TRANSIENT THERMAL IMPEDANCE MODEL
Table 1 - Typical Class AB Large Signal Input - Output Impedance
Freq. (MHz)
Zin (Ω)
Z_OL (Ω)
2.0
24 - j 5.0
13.5
7.8 - j 11
27
2.1 - j 6.4
40
.74 - j 3.3
65
.30 + j .42
80
.46 + j 2.0
100
.87 + j 3.7
55 - j 4.8
41 - j 24
23 - j 26.2
13.6 - j 22
6.1 - j 14.2
4.2 - j 10.7
2.7 - j 7.1
Zin - Gate shunted with 25Ω!!
I_DQ = 50mA
Z_OL - Conjugate of optimum load for 100 Watts output at Vdd = 125V