SD2933. HF/VHF/UHF RF power N-channel MOSFETs. Features. Description

Transcription

1 HF/VHF/UHF RF power N-channel MOSFETs Features Gold metallization Excellent thermal stability Common source configuration P OUT = 300 W min. with 20 db 30 MHz Thermally enhanced packaging for lower junction temperatures Description The SD2933 is a gold metalized N-channel MOS field-effect RF power transistor, intended for use in 50 V dc large signal applications up to 150 MHz. Its special low thermal resistance package makes it ideal for ISM applications, where reliability and ruggedness are critical factors. Figure 1. M177 Epoxy sealed Pin connection Drain 2. Source 3. Gate 4, 5. Source Table 1. Device summary Order code Marking Package Packaging SD2933W SD2933 (1) M177 Plastic tray 1. For more details please refer to Chapter 6: Marking, packing and shipping specifications.. January 2012 Doc ID 7193 Rev 13 1/

2 Content SD2933 Content 1 Electrical data Maximum rating Thermal data Electrical characteristics Impedance Typical performance (30 MHz) Test circuit (30 MHz) Package mechanical data Marking, packing and shipping specifications Revision history /16 Doc ID 7193 Rev 13

3 Electrical data 1 Electrical data 1.1 Maximum rating T CASE = 25 C Table 2. Absolute maximum rating Symbol Parameter Value Unit V (BR)DSS Drain source voltage 125 V V DGR Drain-gate voltage (R GS = 1MΩ) 125 V V GS Gate-source voltage ±20 V I D Drain current 40 A P DISS Power dissipation 648 W E AS Avalanche energy, single pulse (I D = 53 A, 800 µh coil) 1100 mj T J Max. operating junction temperature 200 C T STG Storage temperature -65 to +150 C 1.2 Thermal data Table 3. Thermal data Symbol Parameter Value Unit R thj-c Junction to case thermal resistance 0.27 C/W Doc ID 7193 Rev 13 3/16

4 Electrical characteristics SD Electrical characteristics T CASE = 25 C Table 4. Static Symbol Test conditions Min. Typ. Max. Unit V (BR)DSS V GS = 0 V I DS = 200 ma 125 V I DSS V GS = 0 V V DS = 50 V 100 µa I GSS V GS = 20 V V DS = 0 V 500 na V (1) GS(Q) V DS = 10 V I D = 250 ma V V DS(ON) V GS = 10 V I D = 20 A 3.0 V (1) G FS V DS = 10 V I D = 10 A see Table 5: G FS sort mho C ISS V GS = 0 V V DS = 50 V f = 1 MHz 1000 pf C OSS V GS = 0 V V DS = 50 V f = 1 MHz 372 pf C RSS V GS = 0 V V DS = 50 V f = 1 MHz 29 pf 1. V GS(Q) and G FS sorted with alpha/numeric code marked on unit. Table 5. G FS sort G FS sort Value A B C D E F G H Table 6. Dynamic Symbol Test Conditions Min. Typ. Max. Unit P OUT V DD = 50 V I DQ = 250 ma f = 30 MHz W G PS V DD = 50 V I DQ = 250 ma P OUT = 300 W f = 30 MHz db η D V DD = 50 V I DQ = 250 ma P OUT = 150 W f = 30 MHz % Load Mismatch V DD = 50 V I DQ = 250 ma P OUT = 300 W f = 30 MHz all phase angles 3:1 VSWR 4/16 Doc ID 7193 Rev 13

5 Impedance 3 Impedance Figure 2. Impedance data schematic D Z DL Typical Input Impedance Typical Drain Load Impedance G Z IN S Table 7. Impedance data f Z IN (Ω) Z DL (Ω) 30 MHz j j MHz j j MHz j j 1.6 Doc ID 7193 Rev 13 5/16

6 Typical performance (30 MHz) SD Typical performance (30 MHz) Figure 3. Capacitance vs drain voltage Figure 4. Drain current vs gate voltage f= 1 MHz 15 Capacitance (pf) Ciss Coss Crss Id, Drain Current (A) 10 5 Vdd=10V Tc = + 25oC Tc = + 80oC Tc = - 20oC Vds, Drain Source Voltage (V) Vgs, Gate-Source Voltage (V) Figure 5. Gate-source voltage vs case temperature Figure 6. Maximum thermal resistance vs. case temperature Vgs, GATE-SOURCE VOLTAGE (NORMALIZED) Vdd= 10 V Id=.1 A Id= 15 A Id= 7 A Id= 4 A Id= 3 A Tc, CASE TEMPERATURE (ºC) Id= 12 A Id= 10 A Id= 2 A Id= 1 A Id= 5 A Id=.25 A RTH(j-c) ( C/W) Tc, CASE TEMPERATURE ( C) 6/16 Doc ID 7193 Rev 13

7 Typical performance (30 MHz) Figure 7. Transient thermal impedance Zth, Deg C / W E-05 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 Rectangular power pulse width (sec) single pulse 10% 20% 30% 40% 50% 60% 70% 80% 90% AM10216V1 Figure 8. Transient thermal impedance model PR C PR C 1 R =.083 Ohm C = F I_DC W atts PR C PR C 2 R =.099 Ohm C = F PR C PR C 3 R =.088 Ohm C = F AM10217V1 Doc ID 7193 Rev 13 7/16

8 Typical performance (30 MHz) SD2933 Figure 9. Output power vs input power Figure 10. Output power vs input power (at different temperature) Pout, Output Power (W) Pin, Input Power ( W ) Vdd= 50 V Vdd= 40 V f= 30 MHz Idq=250mA Pout, Output Power (W) Tc= 25 C f= 30 MHz Idq= 250 ma Vdd= 50 V Pin, Input Power (W) Tc= -20 C Tc= 80 C Figure 11. Power gain vs output power Figure 12. Efficiency vs output power 26 Power Gain (db) Pout, Output Power (W) f= 30 MHz Idq= 250 ma Vdd= 50 V Efficiency (%) Pout, Output Power (W) f=30mhz Vdd=50V Idq=250mA Figure 13. Output power vs supply voltage Figure 14. Output power vs gate voltage Pout, Output Power (W) f = 30 MHz Idq = 250 ma Pin = 2.6 W Pin = 1.3 W Pin = 0.65 W Pout, OUTPUT POWER (W) F= 30 MHz Vdd= 50 V Idq= 250 ma Pin= constant Tc= +25 C Tc= -20 C Tc= +80 C Vdd, Supply Voltage (V) Vgs, GATE-SOURCE VOLTAGE (V) 8/16 Doc ID 7193 Rev 13

9 Typical performance (30 MHz) 4.1 Test circuit (30 MHz) Figure MHz test circuit schematic Table 8. Trasmission line dimensions Dim. Inch mm A B C D E F G H J K L M N P R Doc ID 7193 Rev 13 9/16

10 Typical performance (30 MHz) SD2933 Table 8. Trasmission line dimensions (continued) Dim. Inch mm S T U V W X Table 9. Component 30 MHz test circuit part list Description C1,C μf / 500 V surface mount ceramic chip capacitor C2, C3 750 pf ATC 700B surface mount ceramic chip capacitor C4 C5,C10,C11,C14,C16 C6 C7 C8 C12 C13 C15 R1,R3 R2 T1 T2 L1 L2 RFC1,RFC2 FB1 FB2 PCB 300 pf ATC 700B surface mount ceramic chip capacitor pf ATC 200B surface mount ceramic chip capacitor 510 pf ATC 700B surface mount ceramic chip capacitor 300 pf ATC 700B surface mount ceramic chip capacitor pf type 46 standard trimmer capacitor 47 μf / 63 V aluminum electrolytic radial lead capacitor 1200 pf ATC 700B surface mount ceramic chip capacitor 100 μf / 63 V aluminum electrolytic radial lead capacitor 1 K OHM 1 W surface mount chip resistor 560 OHM 2 W wire-wound axils lead resistor HF 2-30 MHz surface mount 9:1 transformer RG - 142B/U 50 OHM coaxial cable OD = 0.165[4.18] L 15 [381.00] covered with 15 [381.00] tinned copper tubular brand 13/65 [5.1] width 1 3/4 turn air-wound 16 AWG ID = [5.56] poly-coated magnet wire 1 3/4 turn air-wound 12 AWG ID = [6.34] bus bar wire 3 turns 14 AWG wire through ferrite toroid Surface mount EMI shield bead Toroid ULTRALAM THK, εr = 2.55, 2 Oz ED CU both sides 10/16 Doc ID 7193 Rev 13

11 Typical performance (30 MHz) Figure MHz test circuit photomaster 4 inches 6.4 inches Figure MHz test circuit Doc ID 7193 Rev 13 11/16

12 Package mechanical data SD Package mechanical data 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: ECOPACK is an ST trademark. Table 10. Dim. M177 (.500 dia 4/L N/HERM W/FLG) mechanical data mm Inch Min. Typ. Max. Min. Typ. Max. A B C D E F G H I J K /16 Doc ID 7193 Rev 13

13 Package mechanical data Figure 18. M177 package dimensions (a) a. Controlling dimensions in inches. Doc ID 7193 Rev 13 13/16

14 Marking, packing and shipping specifications SD Marking, packing and shipping specifications Table 11. Order code Packing and shipping specifications Packaging Pcs per tray Dry pack humidity GFS code Lot code SD2933W Plastic tray 25 < 10 % Not mixed Not mixed Figure 19. Marking layout for SD2933W Table 12. Marking specifications Symbol W X CZ xxx VY MAR CZ y yy Description Wafer process code G FS sort Assembly plant Last 3 digit of diffusion lot Diffusion plant Country of origin Test and finishing plant Assembly year Assembly week 14/16 Doc ID 7193 Rev 13

15 Revision history 7 Revision history Table 13. Document revision history Date Revision Changes 30-Jul Sep Inserted Section 6: Marking, packing and shipping specifications. Updated EAS in Table 2: Absolute maximum rating. Minor text changes to improve readability. 03-Oct Updated parameter Z IN in Table 7: Impedance data. 17-Nov Inserted Figure 7: Transient thermal impedance and Figure 8: Transient thermal impedance model. 10-Jan Updated Figure 7: Transient thermal impedance. Doc ID 7193 Rev 13 15/16

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