SD2931-10_03 ST Microelectronics, Inc., SD2931-10_03 Datasheet

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SD2931-10_03

Manufacturer Part Number
SD2931-10_03
Description
RF Power Transistors Hf/vhf/uhf N-channel Mosfets
Manufacturer
ST Microelectronics, Inc.
Datasheet
Table 1.
Features
Description
The SD2931-10 is a gold metallized N-channel
MOS field-effect RF power transistor. Being
electrically identical to the standard SD2931
MOSFET, it is intended for use in 50 V dc large
signal applications up to 230 MHz.
The SD2931-10 is mechanical compatible to the
SD2931 but offers in addition a better thermal
capability (25 % lower thermal resistance),
representing the best-in-class transistors for ISM
applications, where reliability and ruggedness are
critical factors.
March 2008
Gold metallization
Excellent thermal stability
Common source configuration
P
Thermally enhanced packaging for lower
junction temperatures
OUT
Order code
SD2931-10
= 150 W min. with 14 dB gain @ 175 MHz
Device summary
SD2931-10
Marking
HF/VHF/UHF N-channel MOSFETs
Rev 6
Figure 1.
1. Drain
2. Source
Package
M174
Pin connection
4
3
RF power transistors
Epoxy sealed
M174
SD2931-10
Packaging
Plastic tray
2
1
3. Gate
4. Source
www.st.com
1/16
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SD2931-10_03 Summary of contents

Page 1

... MOSFET intended for use large signal applications up to 230 MHz. The SD2931-10 is mechanical compatible to the SD2931 but offers in addition a better thermal capability (25 % lower thermal resistance), representing the best-in-class transistors for ISM applications, where reliability and ruggedness are critical factors ...

Page 2

... Contents Contents 1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Impedance data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2/16 SD2931-10 ...

Page 3

... SD2931-10 1 Electrical data 1.1 Maximum ratings Table 2. Absolute maximum ratings (T Symbol (1) V Drain source voltage (BR)DSS V Drain-gate voltage (R DGR V Gate-source voltage GS I Drain current D P Power dissipation DISS T Max. operating junction temperature J T Storage temperature STG 150°C J 1.2 Thermal data Table 3. ...

Page 4

... 175 MHz DQ OUT = = 250 150 175 MHz DQ OUT = 250 mA P 150 175 MHz DQ OUT = sorts 2.0 - 2.1 2.1 - 2.2 2.2 - 2.3 2.3 - 2.4 2.4 - 2.5 2.5 - 2.6 2.6 - 2.7 2.7 - 2.8 2.8 - 2.9 SD2931-10 = +25 ºC) Min Typ Max 125 50 250 See table below 3 MHz 480 MHz 190 MHz 18 Min Typ Max ...

Page 5

... SD2931-10 3 Impedance data Figure 2. Impedance data Table 7. Impedance data Freq 30 MHz 175 MHz Typical Input Impedance G Zin Z (Ω 5.7 1 2.0 Impedance data Typical Drain Load Impedance S Z (Ω 0.9 2 2.4 5/16 ...

Page 6

... Figure 6. 0.6 Id =9A Id =7A Id =10A Id =5A 0.56 0.52 Id =4A Id =2A Id =1A 0.48 Id =.25A Id =.1A 0. 100 100 1000 Drain current vs gate voltage Tc=+25 °C VDS = 10 V 2.5 3 3.5 4 4.5 5 VGS, GATE-SOURCE VOLTAGE (V) Maximum thermal resistance vs case temperature Tc, CASE TEMPERATURE (°C) SD2931-10 Tc=-20 °C Tc=+80 °C 5 ...

Page 7

... SD2931-10 5 Typical performance 175 MHz Figure 8. Output power vs input power 270 240 210 180 150 120 Pin, INPUT POWER (W) Figure 10. Power gain vs output power Vdd=50V Idq=250mA 8 f=175Mhz 100 Pout, OUTPUT POWER (W) Figure 12. Output power vs supply voltage ...

Page 8

... OD 12” Long 0.62” woven fiberglass, 1 oz. copper, 2 sides, εr = 2.55 470 ohm 1 W chip resistor 360 ohm 1/2 W resistor 20 Kohm 10 turn potentiometer 560 ohm 1 W resistor 470 pF ATC chip cap 43 pF ATC chip cap Arco 404, 12-65 pF Arco 423, 16-100 pF SD2931-10 REF. 1021579C ...

Page 9

... SD2931-10 Table 8. Component part list (continued) Component C10 C12, C15 C13, C14,C16, C17 C18 Figure 15. 175 MHz test circuit photomaster Description 120 pF ATC chip cap 0.01 µF ATC chip cap 30 pF ATC chip cap 91 pF ATC chip cap 1200 pF ATC chip cap 0.01 µ ...

Page 10

... Test circuit Figure 16. 175 MHz test circuit 10/16 SD2931-10 ...

Page 11

... SD2931-10 7 Typical performance 30 MHz Figure 17. Output power vs input power 250 200 150 100 0.1 0.2 Pin, INPUT POWER (W) Figure 19. Efficiency vs output power 120 Pout, OUTPUT POWER (W) Figure 21. Output power vs gate voltage 200 150 100 VGS GATE-SOURCE VOLTAGE (V) Figure 18 ...

Page 12

... Toroid 0.5” OD 0.30” ID 125µ 4 turns 12 awg wire 0.62” Woven Fiberglass, 1 oz. Copper, 2 Sides, εr = 2.55 1 KΩ chip resistor 680 Ω wirewound resistor 0.1 µF ATC chip cap 750 pF ATC chip cap 470 pF ATC chip cap 10 µ electrolytic capacitor 100 µ electrolytic capacitor SD2931-10 ...

Page 13

... SD2931-10 9 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label ...

Page 14

... Figure 24. Package dimensions Controlling Dimension: Inches 14/16 mm. Min Typ Max 5.56 5.584 3.18 6.22 6.48 18.28 18.54 3.18 24.64 24.89 12.57 12.83 0.08 0.18 2.11 3.00 3.81 4.45 7.11 25.53 26.67 3.05 3.30 SD2931-10 Inch Min Typ Max 0.219 0.230 0.125 0.245 0.255 0.720 0.730 0.125 0.970 0.980 0.495 0.505 0.003 0.007 0.083 0.118 0.150 0.175 0.280 1.005 1.050 0.120 0.130 1011000D ...

Page 15

... SD2931-10 10 Revision history Table 10. Document revision history Date 09-Sep-2004 17-Jun-2004 04-Mar-2008 Revision 4 5 Updated Table 5: Dynamic on page 4 Updated Table 4: Static (per 6 VGS sorts on page 4 Revision history Changes side), Table 5: Dynamic and Table 6: 15/16 ...

Page 16

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 16/16 Please Read Carefully: © 2008 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com SD2931-10 ...

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