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SD2931-10

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
DocID7076 Rev 10 13/19
SD2931-10 Typical performance @ 30 MHz
19
8 Typical performance @ 30 MHz
Figure 19. Output power vs input power Figure 20. Power gain vs output power
Figure 21. Efficiency vs output power Figure 22. Output power vs supply voltage
0 0.1 0.2 0.3 0.4 0.5
Pin, INPUT POWER (W)
0
50
100
150
200
250
Pout, OUTPUT POWER (W)
Vdd = 50 V
Vdd = 40 V
f = 30 MHz
IDQ = 250 mA
0 40 80 120 160 200
Pout, OUTPUT POWER (W)
24
25
26
27
28
29
30
PG, POWER GAIN (dB)
f = 30 MHz
VDD = 50 V
IDQ = 250 mA
0 40 80 120 160 200
Pout, OUTPUT POWER (W)
0
10
20
30
40
50
60
70
Efficiency (%)
f = 30 MHz
VDD = 50 V
IDQ = 250 mA
24 28 32 36 40 44 48 52
VDD(V)
0
50
100
150
200
Pout(W)
f = 30 MHz
IDQ = 250 mA
Pin=.31 W
Pin=.22 W
Pin=.13 W
Figure 23. Output power vs gate voltage
0123456
VGS GATE-SOURCE VOLTAGE (V)
0
50
100
150
200
Pout, OUTPUT POWER (W)
VDD = 50 V
IDQ = 250 mA
f = 30 MHz
Pin = Constant
T= -20 °C
T= +25 °C
T= +80 °C
Test circuit @ 30 MHz SD2931-10
14/19 DocID7076 Rev 10
9 Test circuit @ 30 MHz
Figure 24. 30 MHz test circuit schematic (engineering test circuit)
Figure 25. 30 MHz test circuit part list
Symbol Description
T1 9:1 transformer, 25 Ω flexible coax with extra shield .090 OD 15” long
T2 1:4 transformer, 50 Ω flexible coax .225 OD 15” long
FB1 Toroid 1.7” OD .30” ID 220 μ 4 turns
FB2 Surface mount EMI shield bead
FB3 Toroid 1.7” OD .300” ID 220μ 3 turns
RFC1 Toroid 0.5” OD 0.30” ID 125μ 4 turns 12 awg wire
PCB 0.62” woven fiberglass, 1 oz. Copper, 2 Sides, εr = 2.55
R1, R3 1 KΩ 1 W chip resistor
R2 680 Ω 3 W wirewound resistor
C1,C4,C6,C7,C8,
C9, C11,C12,C13
0.1 μF ATC chip cap
C2, C3 750 pF ATC chip cap
C5 470 pF ATC chip cap
C10 10 μF 63 V electrolytic capacitor
C14 100 μF 63 V electrolytic capacitor
DocID7076 Rev 10 15/19
SD2931-10 Package information
19
10 Package information
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK
®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK is an ST trademark.
Figure 26. M174 (0.500 DIA 4/L N/HERM W/FLG) package outline
Controlling Dimension: Inches
1011000D
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

SD2931-10

Mfr. #:
Buy SD2931-10
Manufacturer:
STMicroelectronics
Description:
RF MOSFET Transistors N-Ch 125 Volt 20A
Lifecycle:
New from this manufacturer.
Delivery:
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