PTFB50FL Thermally-Enhanced High Power RF LDMOS FET 50 W, 0 70 MHz Description The PTFB50FL is a thermally-enhanced, 50-watt, LDMOS FET designed for cellular power amplifier applications in the 0 to 70 frequency band. Features include I/O matching, high gain, and thermally-enhanced ceramic open-cavity package with earless flange. Manufactured with Wolfspeed's advanced LDMOS process, this device provides excellent thermal performance and superior reliability. PTFB50FL H-488-4/ IMD (dbc) -0-5 -0-5 - -45-55 Two-carrier WCDMA GPP Drive-up V DD = 0 V, I DQ =.0 A, ƒ = 70 MHz, GPP WCDMA, PAR = 8 db, 0 MHz carrier spacing, BW.84 MHz IMD Up IMD Low ACPR 5 0 5 0 5 0 5 (%) Features Broadband internal matching Enhanced for use in DPD error correction systems Typical CW performance, 70 MHz, 0 V - Output power at P db = 50 W - = 55% Increased negative gate-source voltage range for improved performance in Doherty peaking amplifiers Integrated ESD protection Capable of handling 0: VSWR @ 0 V, 50 W (CW) output power Pb-Free and RoHS compliant -60 5 7 9 4 4 45 47 49 Output Power (dbm) 0 RF Characteristics Two-carrier WCDMA Measurements (not subject to production test verified by design/characterization in Wolfspeed test fixture) V DD = 0 V, I DQ =. A, P OUT = W AVG, ƒ = 5 MHz, ƒ = 45 MHz, GPP signal, channel bandwidth =.84 MHz, peak/average = 8 db @ 0.0% CCDF Characteristic Symbol Min Typ Max Unit Gain G ps 8 db Drain hd 9 % Adjacent Channel Power Ratio ACPR 6 dbc All published data at T CASE = 5 C unless otherwise indicated ESD: Electrostatic discharge sensitive device observe handling precautions! 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
PTFB50FL RF Characteristics (cont.) Two-tone Measurement (tested in wolfspeed test fixture) V DD = 0 V, I DQ =. A, P OUT = 50 W PEP, ƒ = 70 MHz, tone spacing = MHz Characteristic Symbol Min Typ Max Unit Gain Gps 6.5 8 db Drain hd 9 % Intermodulation Distortion IMD 0 8 dbc DC Characteristics Characteristic Conditions Symbol Min Typ Max Unit Drain-Source Breakdown Voltage V GS = 0 V, I DS = 0 µa V (BR)DSS 65 V Drain Leakage Current V DS = 8 V, V GS = 0 V I DSS.0 µa V DS = 6 V, V GS = 0 V I DSS 0.0 µa On-State Resistance V GS = 0 V, V DS = 0. V R DS(on) 0.08 W Operating Gate Voltage V DS = 0 V, I DQ =. A V GS.6..0 V Gate Leakage Current V GS = 0 V, V DS = 0 V I GSS.0 µa Maximum Ratings Parameter Symbol Value Unit Drain-Source Voltage V DSS 65 V Gate-Source Voltage V GS 6 to +0 V Junction Temperature T J 00 C Storage Temperature Range T STG to +50 C Thermal Resistance (T CASE = 70 C, 50 W CW) R qjc 0.7 C/W Ordering Information Type and Version Order Code Package Description Shipping PTFB50FL V R0 PTFB50FL-V-R0 H-488-4/, earless flange Tape & Reel, 50 pcs PTFB50FL V R50 PTFB50FL-V-R50 H-488-4/, earless flange Tape & Reel, 50 pcs 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
PTFB50FL Typical Performance (data taken in a production test fixture) Two-carrier WCDMA GPP Drive-up V DD = 0 V, I DQ =.0 A, GPP WCDMA, PAR = 8 db, 0 MHz carrier spacing, BW.84 MHz Two-carrier WCDMA GPP V DD = 0 V, I DQ =.0 A, ƒ = 70 MHz, GPP WCDMA, PAR = 8 db, 0 MHz carrier spacing, BW.84MHz -5 9 Drain (%) -0-5 - -45 70 Low 70 Up Low Up 0 Low 0 Up Gain (db) 8 7 6 Gain 0 0 0 Drain (%) -55 5 7 9 4 4 45 47 49 Output Power (dbm) 5 5 7 9 4 4 45 47 49 Output Power (dbm) 0 Single-carrier WCDMA Drive-Up V DD = 0 V, I DQ =.0 A, ƒ = 70 MHz GPP WCDMA, PAR = 8 db, BW.84 MHz Single-carrier WCDMA, GPP Broadband V DD = 0 V, I DQ =.0 A, P OUT = W -0 60 0 ACP (dbc) -5-0 -5 - -45-55 ACP Up ACP Low 5 0 5 0 5 0 5 Drain (%) Gain (db), (%) 50 0 0 IRL ACP Gain -0-0 -0 - IRL (db), ACP up (dbc) -60 5 7 9 4 4 45 47 49 Output Power (dbm) 0 0 080 00 0 60 80 00 Frequency (MHz) 08-06-05 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
PTFB50FL 4 Typical Performance (cont.) Two-tone Drive-up V DD = 0 V, I DQ =.0 A, ƒ = 70 MHz, ƒ = 69 MHz Two-tone Drive-up V DD = 0 V, I DQ =.0 A, ƒ = 70 MHz, ƒ = 69 MHz 0 50-5 50 9-5 Gain (db) 8 7 Gain 0 0 (%) IMD (dbc) -5-45 0 0 (%) 6 0-55 IMD 0 5 4 44 46 48 50 5 54 0-65 4 44 46 48 50 5 54 0 Output Power, PEP (dbm) Output Power, PEP (dbm) Two-tone Broadband Performance V DD = 0 V, I DQ =.0 A, P OUT = 6 W Two-tone Drive-up at Selected Frequencies V DD = 0 V, I DQ =.0 A, tone spacing = MHz Gain (db), (%) 60 55 50 45 5 0 5 0 IRL IMD Gain -5-0 -5-0 -5-0 -5 - -45 Return Loss (db), IMD (dbc) IMD (dbc) -0-0 - -60 70MHz MHz 0MHz 5 070 090 0 0 50 70 90 0 Frequency (MHz) -70 4 4 45 47 49 5 5 Output Power, PEP (dbm) 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
PTFB50FL 5 Typical Performance (cont.) CW Performance Gain vs. Output Power V DD = 0 V, ƒ = 70 MHz Power Sweep, CW Gain & vs. Output Power V DD = 0 V, I DQ =.0 A, ƒ = 70 MHz Power Gain (db) 8 7 6 I DQ =. A I DQ =.0 A I DQ = 0.80 A Gain (db) 9 8 7 6 5 Gain +5ºC +85ºC 0ºC 60 50 0 0 Drain (%) 5 4 0 4 4 45 47 49 5 5 4 44 46 48 50 5 Output Power (dbm) Output Power (dbm) Intermodulation Distortion vs. Output Power V DD = 0 V, I DQ =.0 A, ƒ = 70 MHz, ƒ = 69 MHz IMD (dbc) -0-0 - rd Order 5th 7th -60-70 45 50 55 Output Power, PEP (dbm) 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
PTFB50FL 6 Broadband Circuit Impedance D Z Source Z Load G S Frequency Z Source W Z Load W MHz R jx R jx 00.06 6.08.9 4.7 70.7 6..9 4.8.0 6.59.0 4.9 0.4 6.86. 5.00 080.58 7.4. 5.09 - WAVELENGTHS TOWARD 0. 0.0 Z Load 00 MHz <--- WAVELENGTHS TOWARD LOAD - 0. 0. Z 0 = 50 Ω 0. 0. Z Source 080 MHz See next page for reference circuit information 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
8 4 6 7 5 4 b 5 0 e f l _ b d i n _ 0 8-9 - 0 0 b 5 0 e f l _ b d o u t _ 0 8-9 - 0 0 4 PTFB50FL 7 Reference Circuit C80 000 pf S In Out NC NC C80 000 pf C80 000 pf R80 00 Ohm R80 00 Ohm B C 4 S S E R804 00 Ohm R805 0 Ohm S R80 0 Ohm TL4 TL8 TL8 TL8 R0 0 Ohm TL4 TL0 TL9 TL09 TL9 TL5 C06. pf TL0 TL C0 0 pf TL0 RF_IN TL04 TL TL0 C07 8. pf TL7 TL6 TL6 TL TL7 TL07 TL7 C0 470000 pf C04 470000 pf TL6 TL4 TL5 R04 0 Ohm TL TL C05 0.6 pf TL TL C0 0 pf TL TL9 TL TL05 TL0 TL06 TL0 TL08 TL5 TL GATE DUT (Pin G) Reference circuit input schematic for ƒ = 70 MHz TL4 TL TL TL0 TL8 C04 0000000 pf TL5 TL7 TL9 TL DUT (Pin V) C0 00000 pf C0 000000 pf C0 0000000 pf VDD DRAIN DUT (Pin D) C07 TL0 TL09 TL0 TL06 TL0 TL TL9 TL08 TL04 TL0 8. pf TL TL05 C08 0.5 pf TL07 RF_OUT DUT (Pin V) TL TL6 C0 00000 pf TL8 C06 000000 pf TL7 TL TL6 C09 0000000 TL5 TL4 TL0 C05 0000000 pf VDD Reference circuit output schematic for ƒ = 70 MHz 08-06-05 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
PTFB50FL 8 Reference Circuit (cont.) Description DUT PCB PTFB50FL 0.508 mm [.00"] thick, er =.48, Rogers 450, oz. copper Electrical Characteristics at 70 MHz Transmission Electrical Dimensions: mm Dimensions: mils Line Characteristics Input TL0, TL9 0.095 λ, 54.7 Ω W =.06, L = 8.00 W =, L = 5 TL0 0.06 λ,.4 Ω W =.86, L =.70 W = 90, L = 50 TL0 0.06 λ, 54.7 Ω W =.06, L =.59 W =, L = 85 TL04 0.0 λ, 47. Ω W =.70, L =.69 W = 50, L = 06 TL05 0.005 λ, 6.67 Ω W =.970, L = 0.8 W = 550, L = 5 TL06 W =.970, W =.06, W =.970, W = 550, W =, W = 550, W4 =.06 W4 = TL07, TL08, TL09 W =.06 W = TL0, TL9 0.0 λ, 54.7 Ω W =.06, W =.06, W =.06 W =, W =, W = TL (taper) 0.006 λ, 6.67 Ω / 8.7 Ω W =.970, W = 0.9, L = 0.48 W = 550, W =, L = 9 TL W = 7.780, W =.700 W = 700, W = 500 TL W =.70, W =.86 W = 50, W = 90 TL4 0.0 λ, 4.7 Ω W =.98, L =.5 W = 78, L = 00 TL5 0.07 λ, 6.89 Ω W = 0.76, L =.86 W = 0, L = 90 TL6 0.096 λ, 6.89 Ω W =.76, L = 8.6 W = 0, L = 0 TL7 0.09 λ, 54.7 Ω W =.06, L =.45 W =, L = 97 TL8 0.08 λ, 54.7 Ω W =.06, L =.54 W =, L = 60 TL9 0.0 λ, 54.7 Ω W =.06, L =.77 W =, L = 68 TL0 0.06 λ, 54.7 Ω W =.06, L =.59 W =, L = 85 TL, TL 0.00 λ, 54.7 Ω W =.06, L = 0.7 W =, L = 5 TL, TL4 0.00 λ, 54.7 Ω W =.06, L =.5 W =, L = 00 TL5 0.05 λ, 6.67 Ω W =.970, L = 4.064 W = 550, L = 60 TL6 0.0 λ, 54.7 Ω W =.06, L =.0 W =, L = TL7 0.4 λ, 47. Ω W =.70, L =.5 W = 50, L = 49 TL8 0.0 λ, 54.7 Ω W =.06, L =.06 W =, L = TL0, TL 0.000 λ, 44.5 Ω W = 0.05, L = 0.05 W =, L = TL W = 0.9, W = 0.05, W = 0.9 W =, W =, W =, W4 = 0.05 W4 = TL, TL5 0.000 λ, 8.7 Ω W = 0.9, L = 0.000 W =, L = 0 TL4 (taper) 0.0 λ, 8.7 Ω / 47. Ω W = 0.9, W =.70, L =.5 W =, W = 50, L = 00 TL6, TL7 0.0 λ, 6.89 Ω W = 0.76, W = 0.76, W =.06 W = 0, W = 0, W = TL8 0.0 λ, 54.7 Ω W =.06, W =.70, W =.06 W =, W = 50, W = TL 0.0 λ, 6.89 Ω W = 0.76, L =.778 W = 0, L = 70 table continued on page 9 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
PTFB50FL 9 Reference Circuit (cont.) Electrical Characteristics at 70 MHz Transmission Electrical Dimensions: mm Dimensions: mils Line Characteristics Output TL0 (taper) 0.074 λ, 5. Ω / 9.5 Ω W = 7.780, W =.65, L = 5.6 W = 700, W = 65, L = TL0 (taper) 0.00 λ, 4.84 Ω / 5. Ω W = 9.685, W = 7.780, L = 0.787 W = 775, W = 700, L = TL0 W =.700, W = 7.780 W = 500, W = 700 TL04 W =.65, W =.5 W = 65, W = 00 TL05 W =.70, W =.5 W = 50, W = 00 TL06 0.000 λ, 5. Ω W = 7.780, L = 0.05 W = 700, L = TL07 0.047 λ, 47. Ω W =.70, L =.886 W = 50, L = 5 TL08 0.0 λ, 9.5 Ω W =.65, L =.75 W = 65, L = 69 TL09 0.057 λ, 4.84 Ω W = 9.685, L = 4.8 W = 775, L = 70 TL0, TL 0.06 λ, 8.85 Ω W =.5, L =.70 W = 00, L = 50 TL 0.05 λ, 9.5 Ω W =.65, L =.896 W = 65, L = 4 TL 0.0 λ, 6.90 Ω W = 4.98, L =.5 W = 94, L = 00 TL4 0.0 λ, 7.05 Ω W = 4.877, L =.5 W = 9, L = 00 TL5, TL 0.0 λ, 5.04 Ω W =.048, W =.048, W =.5 W = 0, W = 0, W = 00 TL6, TL7 0.095 λ, 5.04 Ω W =.048, L = 7.645 W = 0, L = 0 TL8, TL0 W =.048 W = 0 TL9, TL5 0.054 λ, 5.04 Ω W =.048, W =.048, W = 4.8 W = 0, W = 0, W = 70 TL0, TL 0.09 λ, 5.04 Ω W =.048, W =.048, W =.86 W = 0, W = 0, W = 90 TL, TL4 0.067 λ, 5.04 Ω W =.048, L = 5.59 W = 0, L = TL, TL6 0.00 λ, 5.04 Ω W =.048, L = 0.76 W = 0, L = 0 TL7, TL8 0.09 λ, 5.04 Ω W =.048, W =.048, W =.86 W = 0, W = 0, W =90 TL9 0.0 λ, 9.5 Ω W =.65, W =.65, W =.778 W = 65, W = 65, W = 70 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
b 5 0 e f l _ C D _ - 0-0 0 PTFB50FL 0 Reference Circuit (cont.) Circuit Assembly Information Test Fixture Part No. LTN/PTFB50EF Find Gerber files for this test fixture on the Wolfspeed Web site at www.wolfspeed.com/rf RO450,.00 (60) RO450,.00 (60) R804 C80 C80 R80 VDD C04 S C80 R80 VDD R805 + S C0 C0 + 0 µf R80 S C0 R0 C0 C0 C06 RF_IN C07 C07 RF_OUT C04 C08 C0 C05 R04 C09 C0 C06 0 µf + VDD C05 PTFB50_IN_0 PTFB50_OUT_0 Reference circuit assembly diagram (not to scale) 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
PTFB50FL Reference Circuit (cont.) Component Information Component Description Suggested Manufacturer P/N Input C0, C0 Chip capacitor, 0 pf ATC ATC00A00FW50XB C0, C04 Chip capacitor, 4.7 μf Digi-Key 49-7--ND C05 Chip capacitor, 0.6 pf ATC ATC00B0R6BW500XB C06 Chip capacitor,. pf ATC ATC00BRBW500XB C07 Chip capacitor, 8. pf ATC ATC00B8RBW500XB C80, C80, C80 Capacitor, 000 pf Digi-Key PCC77CT-ND R0, R04, R80, R805 Resistor, 0 W Digi-Key P0ECT-ND R80 Resistor, 00 W Digi-Key P.KGCT-ND R80 Resistor, 00 W Digi-Key P.KGCT-ND R804 Resistor, 00 W Digi-Key P00ECT-ND S Voltage Regulator Digi-Key LM78L05ACM-LD S Transistor Digi-Key BCP566TA-ND S Potentiometer, k W Digi-Key 4W-0ECT-ND Output C0, C06 Chip capacitor, μf Digi-Key 445-4--ND C0, C0 Chip capacitor,. μf Digi-Key 445-447--ND C0, C09 Capacitor, 0 μf Digi-Key 8M50006K C04, C05 Capacitor, 0 μf Digi-Key 587-88--ND C07 Chip capacitor, 8. pf ATC ATC00B8RBW500XB C08 Chip capacitor, 0.5 pf ATC ATC00B0R5BW500XB 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
H-488-4/_po_0_08--0 PTFB50FL Package Outline Specifications Package H-488-4/ 45 X.0 [45 X.080].860 [.900] X 5.080 [.00] X 0 LC X.4 [.045] V D V 4.889±.50 [.9±.00] 9.98 9.779 C L [.70] [.85] 9.558±.50 [.770±.00] 4X R0.508 +.8 -.7 [ R.00+.05 -.005 ] G X.700 [.500].5±.00 [.880±.008] 4.09 +.54 -.7 [.59+.00 -.005 ].575 [.06] (SPH).06 [.0] LC.4 [.90] S Diagram Notes unless otherwise specified:. Interpret dimensions and tolerances per ASME Y4.5M-994.. Primary dimensions are mm. Alternate dimensions are inches.. All tolerances ± 0.7 [.005] unless specified otherwise. 4. Pins: D = drain; S = source; G = gate; V = V DD. 5. Lead thickness: 0.0 + 0.05/ 0.05 mm [.004 +0.00/ 0.00 inch]. 6. Gold plating thickness: 0.5 micron [0 microinch] max. 4600 Silicon Drive Durham, NC 770 www.wolfspeed.com
PTFB50FL Revision History Revision Date Data Sheet Type Page Subjects (major changes at each revision) 04. 06-06-4 Production Updated ordering information 05 08-06-9 Production All Converted to Wolfspeed Data Sheet For more information, please contact: 4600 Silicon Drive Durham, North Carolina, USA 770 www.wolfspeed.com/rf Sales Contact RFSales@wolfspeed.com RF Product Marketing Contact RFMarketing@wolfspeed.com 99.7.786 Notes Disclaimer Specifications are subject to change without notice. Cree, Inc. believes the information contained within this data sheet to be accurate and reliable. However, no responsibility is assumed by Cree for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Cree. Cree makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose. Typical parameters are the average values expected by Cree in large quantities and are provided for information purposes only. These values can and do vary in different applications and actual performance can vary over time. All operating parameters should be validated by customer s technical experts for each application. Cree products are not designed, intended or authorized for use as components in applications intended for surgical implant into the body or to support or sustain life, in applications in which the failure of the Cree product could result in personal injury or death or in applications for planning, construction, maintenance or direct operation of a nuclear facility. Copyright 08 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Wolfspeed and the Wolfspeed logo are trademarks of Cree, Inc. www.wolfspeed.com