RF Power LDMOS Transistor N--Channel Enhancement--Mode Lateral MOSFET

Transcription

1 Freescale Semiconductor Technical Data RF Power LDMOS Transistor N--Channel Enhancement--Mode Lateral MOSFET RF power transistor suitable for industrial heating applications operating at 2450 MHz. Device is capable of both CW and pulse operation. Typical CW Performance at 2450 MHz, V DD =28Vdc,I DQ = 1200 ma, P out = 140 W Power Gain 13.2 db Drain Efficiency 45% Capable of Handling 10:1 28 Vdc, 2390 MHz, 140 W CW Output Power Features Characterized with Series Equivalent Large--Signal Impedance Parameters Internally Matched for Ease of Use Qualified up to a Maximum of 32 V DD Operation Integrated ESD Protection In Tape and Reel. R5 Suffix = 50 Units per 56 mm Tape Width, 13--inch Reel. Document Number: MHT1000H Rev. 0, 5/ MHz, 140 W CW, 28 V INDUSTRIAL HEATING, RUGGED RF POWER LDMOS TRANSISTOR NI -880H -2L Gate 2 1 Drain (Top View) Note: The backside of the package is the source terminal for the transistor. Figure 1. Pin Connections Table 1. Maximum Ratings Rating Symbol Value Unit Drain--Source Voltage V DSS --0.5, 68 Vdc Gate--Source Voltage V GS --0.5, 12 Vdc Storage Temperature Range T stg to 150 C Case Operating Temperature T C 150 C Operating Junction Temperature (1,2) T J 225 C Table 2. Thermal Characteristics Characteristic Symbol Value (2,3) Unit Thermal Resistance, Junction to Case Case Temperature 82 C, 140 W CW R JC 0.29 C/W 1. Continuous use at maximum temperature will affect MTTF. 2. MTTF calculator available at Select Software & Tools/Development Tools/Calculators to access MTTF calculators by product. 3. Refer to AN1955, Thermal Measurement Methodology of RF Power Amplifiers. Go to Select Documentation/Application Notes -- AN1955., All rights reserved. 1

2 Table 3. ESD Protection Characteristics Test Methodology Human Body Model (per JESD22--A114) Machine Model (per EIA/JESD22--A115) Charge Device Model (per JESD22--C101) Class 1C A III Table 4. Electrical Characteristics (T A =25 C unless otherwise noted) Characteristic Symbol Min Typ Max Unit Off Characteristics Zero Gate Voltage Drain Leakage Current (V DS =68Vdc,V GS =0Vdc) Zero Gate Voltage Drain Leakage Current (V DS =28Vdc,V GS =0Vdc) Gate--Source Leakage Current (V GS =5Vdc,V DS =0Vdc) On Characteristics Gate Threshold Voltage (V DS =10Vdc,I D = 300 Adc) Gate Quiescent Voltage (V DD =28Vdc,I D = 1300 madc, Measured in Functional Test) Drain--Source On--Voltage (V GS =10Vdc,I D =3Adc) Dynamic Characteristics (1) Reverse Transfer Capacitance (V DS =28Vdc 30 1 MHz, V GS =0Vdc) I DSS 10 Adc I DSS 1 Adc I GSS 500 nadc V GS(th) Vdc V GS(Q) Vdc V DS(on) Vdc C rss 2 pf Functional Tests (In Freescale Test Fifxture, 50 ohm system) V DD =28Vdc,I DQ = 1300 ma, P out = 28 W Avg., f = 2390 MHz, 2--Carrier W--CDMA, 3.84 MHz Channel Bandwidth Carriers. ACPR measured in 3.84 MHz Channel 5 MHz Offset. IM3 measured in 3.84 MHz 10 MHz Offset. Input Signal PAR = % Probability on CCDF. Power Gain G ps db Drain Efficiency D % Intermodulation Distortion IM dbc Adjacent Channel Power Ratio ACPR dbc Input Return Loss IRL db 1. Part internally matched both on input and output. 2

3 V BIAS R1 C10 C9 C8 C7 B1 C5 C15 C16 C17 C18 V SUPPLY RF INPUT Z1 C3 Z6 Z2 Z3 Z4 Z5 Z8 Z14 Z9 Z10 Z11 Z12 Z13 C2 RF OUTPUT C1 Z7 DUT Z15 C12 B2 C4 C6 C19 C20 C21 C22 C14 C13 C11 Z x Microstrip Z x Microstrip Z x Microstrip Z x Microstrip Z x Microstrip Z6, Z x Microstrip Z x Microstrip Z x Microstrip Z x Microstrip Z x0.110 Microstrip Z x Microstrip Z x Microstrip Z14, Z x Microstrip PCB Taconic RF , r =3.5 Figure 1. Test Circuit Schematic 2450 MHz Table 5. Test Circuit Component Designations and Values Part Description Part Number Manufacturer B1, B2 47, 100 MHz Short Ferrite Beads, Surface Mount Fair--Rite C1, C2, C3, C4, C5, C6 5.6 pf Chip Capacitors ATC600B5R6BT500XT ATC C7, C F, 100 V Chip Capacitors C1825C103J1RAC Kemet C8, C12, C15, C F, 50 V Chip Capacitors C1825C225J5RAC Kemet C9, C13 22 F, 25 V Tantalum Capacitors T491D226M025AT Kemet C10, C14 47 F, 16 V Tantalum Capacitors T491D476K016AT Kemet C16, C17, C20, C21 10 F, 50 V Chip Capacitors GRM55DR61H106KA88B Murata C18, C F, 50 V Electrolytic Capacitors Vishay R1 240, 1/4 W Chip Resistor CRC FKEA Vishay 3

4 C5 C17 R 1 B1 C10 C9 C8* C7* C15 C16 C18 C3 C 1 C 4 CUT OUT AREA C19 C20 C2 C14 B2 C13 C11* C12* C 6 C21 C22 * Stacked Figure 2. Test Circuit Component Layout 4

5 TYPICAL CHARACTERISTICS 2450 MHz G ps, POWER GAIN (db) I DQ = 1200 ma f = 2450 MHz G ps D 10 V DD =28V 100 P out, OUTPUT POWER (WATTS) CW 28 V 30 V 32 V 32 V 30 V Figure 3. Power Gain and Drain Efficiency versus CW Output Power as a Function of V DD D, DRAIN EFFICIENCY (%) G ps 50 G ps, POWER GAIN (db) D 10 V DD =32V I DQ = 1200 ma f = 2450 MHz P out, OUTPUT POWER (WATTS) CW D, DRAIN EFFICIENCY (%) Figure 4. Power Gain and Drain Efficiency versus CW Output Power G ps 1400 ma 1200 ma G ps, POWER GAIN (db) ma 1100 ma 1300 ma V DD =28V f = 2450 MHz P out, OUTPUT POWER (WATTS) CW Figure 5. Power Gain and Drain Efficiency versus CW Output Power as a Function of Total I DQ 300 5

6 f = 2450 MHz Z source Z o =10 Z load f = 2450 MHz f MHz V DD =28Vdc,I DQ = 1200 ma, P out = 140 W CW Z source Z load j j6.57 Z source = Test circuit impedance as measured from gate to ground. Z load = Test circuit impedance as measured from drain to ground. Input Matching Network Device Under Test Output Matching Network Z source Z load Figure 6. Series Equivalent Source and Load Impedance 6

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9 PRODUCT DOCUMENTATION AND SOFTWARE Refer to the following resources to aid your design process. Application Notes AN1955: Thermal Measurement Methodology of RF Power Amplifiers Engineering Bulletins EB212: Using Data Sheet Impedances for RF LDMOS Devices Software Electromigration MTTF Calculator For Software, do a Part Number search at and select the Part Number link. Go to the Software & Tools tab on the part s Product Summary page to download the respective tool. REVISION HISTORY The following table summarizes revisions to this document. Revision Date Description 0 May 2014 Initial Release of Data Sheet 9

10 How to Reach Us: Home Page: freescale.com Web Support: freescale.com/support Information in this document is provided solely to enable system and software implementers to use Freescale products. There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits based on the information in this document. Freescale reserves the right to make changes without further notice to any products herein. Freescale makes no warranty, representation, or guarantee regarding the suitability of its products for any particular purpose, nor does Freescale assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. Typical parameters that may be provided in Freescale data sheets and/or specifications can and do vary in different applications, and actual performance may vary over time. All operating parameters, including typicals, must be validated for each customer application by customer s technical experts. Freescale does not convey any license under its patent rights nor the rights of others. Freescale sells products pursuant to standard terms and conditions of sale, which can be found at the following address: freescale.com/salestermsandconditions. Freescale and the Freescale logo are trademarks of, Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. E 2014 Document Number: MHT1000H Rev. 10 0, 5/2014