PD85025C Datasheet, PDF (7/10 Pages) STMicroelectronics – RF power transistor - LdmoST family

PD85025C
Typical performance
Figure 7.
40
Output power and efficiency vs
input power
80
35
70
30
60
25
50
20
40
Pout
Efficiency
15
30
10
5
0
0.0
20
Freq = 945 MHz ₁₀
Vdd = 13.6V
Idq = 300 mA
0
0.5
1.0
1.5
2.0
Pin (W)
Figure 9. Pout and drain current vs
gate voltage
35
3.5
Pout
Id
30
3
25
2.5
20
2
15
1.5
10
1
Freq = 945 MHz
5
Pin = 0.4W
0.5
Vdd = 13.6V
0
Idq = 300mA ₀
0
1
2
3
4
5
6
Vgs (V)
Figure 11. Pout and drain current vs
supply voltage
50
45
40
35
30
25
20
15
10
5
0
7
Pout
Id
10
13
Vdd (V)
5
4.5
4
3.5
3
2.5
2
1.5
1
Freq = 945 MHz
Pin = 1.6W
0.5
Idq = 300mA
0
16
19
Figure 8. Gain vs output power and
bias current
22
20
100mA
300mA
200mA
400mA
18
16
14
Freq = 945 MHz
Vdd = 13.6V
12
10
0
5
10 15 20 25 30 35 40
Pout (W)
Figure 10. Pout and drain current vs
supply voltage
40
4
Pout
Id
35
3.5
30
3
25
2.5
20
2
15
1.5
10
5
0
7
1
Freq = 945 MHz _0.5
Pin = 0.8W
Idq = 300mA
0
10
13
16
19
Vdd (V)
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