STAP57045 STMicroelectronics, STAP57045 Datasheet - Page 7

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

STAP57045
PD57045S
Figure 7.
Figure 9.
17
16
15
14
13
12
10
11
60
50
40
30
20
10
0
0.1
0
0.5
Gp
Output power vs input power
Power gain vs output power
1
Idq = 250 mA
Pin, INPUT POWER (W)
Idq = 150 mA
Pout, OUTPUT POWER (W)
Idq = 450 mA
Idq = 75 mA
1
1.5
2
Pout
2.5
10
V
I
f = 945 MHz
DQ
DD
= 250 mA
Vdd = 28 V
f = 945 Mhz
= 28 V
3
3.5
16
15
14
13
12
11
10
100
Figure 8.
Figure 10. Drain efficiency vs output power
-10
-20
-30
-40
60
50
40
30
20
10
0
0
0
0
f = 945 MHz
Vdd = 28 V
Idq = 250 mA
Input return loss vs output power
10
10
Pout, OUTPUT POWER (W)
Pout, OUTPUT POWER (W)
20
20
30
30
Typical performance
40
40
f = 945 MHz
Vdd = 28 V
Idq = 250 mA
50
50
60
60
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