STAP57045 STMicroelectronics, STAP57045 Datasheet - Page 8

• Manufacturer Part Number: STAP57045
• Description: RF Power LDMOS in STAP1 plastic package
• Manufacturer: STMicroelectronics

Typical performance
8/17
Figure 11. Output power vs bias current
Figure 13. Output power vs drain voltage
80
70
60
50
40
30
20
10
60
50
40
30
20
0
16
f = 945 MHz
Vdd = 28 V
Idq = 250 mA
18
200
20
VDS, DRAIN-SOURCE VOLTAGE (V)
Idq, BIAS CURRENT (mA)
22
400
24
26
600
28
Pin = 1.5 W
Vdd = 28 V
f = 945 MHz
800
30
Pin = 1.5 W
Pin = 2 W
Pin = 1 W
Pin =3 W
32
1000
34
Figure 12. Drain efficiency vs bias current
Figure 14. Output power vs gate bias voltage
50
40
30
20
10
0
70
60
50
40
30
0
0
0.5
200
1
VGS, GATE BIAS VOLTAGE (V)
Idq, BIAS CURRENT (mA)
1.5
400
2
600
2.5
Pin = 1.5 W
Vdd = 28 V
f = 945 MHz
800
Pin = 1.5 W
Vdd = 28 V
f = 945 MHz
3
STAP57045
3.5
1000
4