SD2943 Datasheet, PDF (6/14 Pages) STMicroelectronics – RF Power Transistor HF/VHF/UHF N - Channel MOSFETs

3 Typical Performance
3 Typical Performance
SD2943
Figure 2. Capacitance Vs Drain Voltage
Figure 3. Drain Current Vs Gate Voltage
10000
1000
100
CISS
COSS
CRSS
10
Freq = 1 MHz
1
0 4 8 12 16 20 24 28 32 36 40 44 48 52 56
Vdd (V)
40
Vds = 10 V
35
30
25
20
15
Tc = +20 ºC
10
5
Tc = +80 ºC
Tc = -20 ºC
0
0
1
2
3
4
5
6
Vgs (V)
Figure 4. Gate-Source Voltage Vs Case Temp. Figure 5. Max. Therm. Resist. Vs Case Temp.
1.15
1.1
1.05
1
0.95
0.9
0.85
0.8
-25
Id= 12 A
Id= 10 A
Id= 7 A
Id= 15 A
Id= 5 A
Vdd= 10 V
Id=.1 A
Id= 4 A
Id= 3 A
Id= 2 A
Id= 1 A
Id=.25 A
0
25
50
75
100
Tc, CASE TEMPERATURE (ºC)
0.33
0.32
0.31
0.3
0.29
0.28
0.27
0.26
25 30 35 40 45 50 55 60 65 70 75 80 85
Tc, CASE TEMPERATURE (°C)
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