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| D G S TO-247 ARF446 ARF447 Common Source RF POWER MOSFETs N - CHANNEL ENHANCEMENT MODE 250V 250W 65MHz The ARF446 and ARF447 comprise a symmetric pair of common source RF power transistors designed for push-pull scientific, commercial, medical and industrial RF power amplifier applications up to 65 MHz. * Specified 250 Volt, 40.68 MHz Characteristics: * Output Power = 250 Watts. * Gain = 15dB (Class C) * Efficiency = 75% MAXIMUM RATINGS Symbol VDSS VDGO ID VGS PD RJC TJ,TSTG TL Parameter Drain-Source Voltage Drain-Gate Voltage Continuous Drain Current @ TC = 25C Gate-Source Voltage Total Power Dissipation @ TC = 25C Junction to Case * Low Cost Common Source RF Package. * Very High Breakdown for Improved Ruggedness. * Low Thermal Resistance. * Nitride Passivated Die for Improved Reliability. All Ratings: TC = 25C unless otherwise specified. ARF446/447 UNIT Volts 900 900 6.5 30 230 0.55 -55 to 150 300 Amps Volts Watts C/W C Operating and Storage Junction Temperature Range Lead Temperature: 0.063" from Case for 10 Sec. STATIC ELECTRICAL CHARACTERISTICS Symbol BVDSS Characteristic / Test Conditions Drain-Source Breakdown Voltage (VGS = 0V, ID = 250 A) 1 MIN TYP MAX UNIT Volts 900 7 25 250 100 4 2 5.7 5 nA mhos Volts A VDS(ON) On State Drain Voltage IDSS IGSS gfs VGS(TH) (ID(ON) = 3.5A, VGS = 10V) Zero Gate Voltage Drain Current (VDS = VDSS, VGS = 0V) Zero Gate Voltage Drain Current (VDS = 0.8 VDSS, VGS = 0V, TC = 125C) Gate-Source Leakage Current (VGS = 30V, VDS = 0V) Forward Transconductance (VDS = 25V, ID = 3.5A) Gate Threshold Voltage (VDS = VGS, ID = 50mA) CAUTION: These Devices are Sensitive to Electrostatic Discharge. Proper Handling Procedures Should Be Followed. APT Website - http://www.advancedpower.com USA 405 S.W. Columbia Street Bend, Oregon 97702-1035 F-33700 Merignac - France Phone: (541) 382-8028 Phone: (33) 5 57 92 15 15 FAX: (541) 388-0364 FAX: (33) 5 56 47 97 61 EUROPE Avenue J.F. Kennedy Bat B4 Parc Cadera Nord 050-4907 Rev C DYNAMIC CHARACTERISTICS Symbol Ciss Coss Crss td(on) tr td(off) tf Characteristic Input Capacitance Output Capacitance Reverse Transfer Capacitance Turn-on Delay Time Rise Time Turn-off Delay Time Fall Time Test Conditions VGS = 0V VDS = 300V f = 1 MHz VGS = 15V VDD = 0.5 VDSS ID = ID[Cont.] @ 25C RG = 1.6 MIN TYP ARF446/447 MAX UNIT 1500 70 27 7 5 23 12 1800 130 50 15 10 40 25 ns pF FUNCTIONAL CHARACTERISTICS Symbol GPS GPS Characteristic Common Source Amplifier Power Gain Drain Efficiency Electrical Ruggedness VSWR 20:1 Common Source Amplifier Power Gain Drain Efficiency Electrical Ruggedness VSWR 20:1 Test Conditions f = 27.12 MHz VGS = 0V VDD = 300V MIN TYP MAX UNIT dB % 20 80 Pout = 250W f = 40.68 MHz VGS = 0V VDD = 250V No Degradation in Output Power 13 70 15 75 dB % Pout = 250W No Degradation in Output Power 1 Pulse Test: Pulse width < 380 S, Duty Cycle < 2% APT Reserves the right to change, without notice, the specifications and information contained herein. 30 Class C VDD = 250V Pout = 250W CAPACITANCE (pf) 1000 500 Coss 100 50 Crss 3000 Ciss 25 20 GAIN (dB) 15 10 5 0 10 30 40 50 60 65 FREQUENCY (MHz) Figure 1, Typical Gain vs Frequency 20 1 5 10 50 100 300 VDS, DRAIN-TO-SOURCE VOLTAGE (VOLTS) Figure 2, Typical Capacitance vs. Drain-to-Source Voltage 30 ID, DRAIN CURRENT (AMPERES) OPERATION HERE LIMITED BY RDS (ON) 10 16 ID, DRAIN CURRENT (AMPERES) TJ = -55C VDS> ID (ON) x RDS (ON)MAX. 250SEC. PULSE TEST @ <0.5 % DUTY CYCLE 10S 100S 10 5 1mS 12 8 1 .5 TC =+25C TJ =+150C SINGLE PULSE .1 1 5 10 50 100 1000 VDS, DRAIN-TO-SOURCE VOLTAGE (VOLTS) Figure 4, Typical Maximum Safe Operating Area 10mS 4 TJ = +125C TJ = -55C 100mS DC 050-4907 Rev C TJ = +25C 0 0 2 4 6 8 VGS, GATE-TO-SOURCE VOLTAGE (VOLTS) Figure 3, Typical Transfer Characteristics ARF446/447 1.2 1.1 1.0 0.9 0.8 ID, DRAIN CURRENT (AMPERES) VGS(th), THRESHOLD VOLTAGE (NORMALIZED) 16 VGS=6.5, 8, 10 & 15V 12 6V 8 5.5V 4 5V 4.5V 0.7 0.6 -50 -25 0 25 50 75 100 125 150 TC, CASE TEMPERATURE (C) Figure 5, Typical Threshold Voltage vs Temperature 300 250 200 150 100 Class C VDD = 250V f = 40.68 MHz 0 1 5 10 15 20 25 30 VDS, DRAIN-TO-SOURCE VOLTAGE (VOLTS) Figure 6, Typical Output Characteristics GPS, COMMON SOURCE AMPLIFIER GAIN (dB) 18 Class C VDD = 250V 16 f = 40.68 MHz POUT, POWER OUT (WATTS) 14 12 50 0 10 0 4 6 8 10 PIN, POWER IN (WATTS) Figure 7, Typical Power Out vs Power In 2 50 100 150 200 250 300 POUT, POWER OUT (WATTS) Figure 8, Typical Common Source Amplifier Gain vs Power Out 8 0 0.6 D=0.5 , THERMAL IMPEDANCE (C/W) 0.2 0.1 0.05 0.05 0.02 0.01 0.005 0.01 SINGLE PULSE Note: PDM t1 t2 Duty Factor D = t1/t2 Peak TJ = PDM x ZJC + TC 0.1 Z 0.001 10-5 JC 10-3 10-2 10-1 1.0 RECTANGULAR PULSE DURATION (SECONDS) Figure 9, Typical Maximum Effective Transient Thermal Impedance, Junction-To-Case vs Pulse Duration 10-4 10 Table 1 - Typical Class C Large Signal Input-Output Impedance Freq. (MHz) 2.0 13.5 27.0 40.0 65.0 Z in () 20.40 - j 9.6 2.10 - j 6.4 0.50 - j 2.3 0.30 - j 0.4 0.46 + j 2.0 Z OL () 142.0 - j 20 73.0 - j 71 30.0 - j 57 15.0 - j 42 6.2 - j 25 Z in - gate shunted by 25 Z OL - conjugate of optimum load impedance for 250W at 250V 050-4907 Rev C ARF446/447 40.68 MHz Test Circuit Parts List C1-C3 -- Arco 465 or equivalent C4-C6 -- 1nF 500V COG chip L1 -- 2t #18 AWG .25" ID L2 -- 3t #18 AWG .25" ID L3 -- 8t #18 AWG .25" ID L4 -- VK200-4B ferrite choke 3uH R1 -- 25 Ohm 1/2W Carbon T1 -- 4:1 Broadband Transformer L4 + C4 L3 L2 C6 C3 RF Output C5 250V RF Input T1 L1 DUT C2 C1 R1 40.68 MHz Test Circuit TO-247 Package Outline 4.69 (.185) 5.31 (.209) 1.49 (.059) 2.49 (.098) 6.15 (.242) BSC 20.80 (.819) 21.46 (.845) Top View 15.49 (.610) 16.26 (.640) 5.38 (.212) 6.20 (.244) Dimensions in Millimeters and (Inches) NOTE: The ARF446 and ARF447 comprise a symmetric pair of RF power transistors and meet the same electrical specifications. The device pin-outs are the mirror image of each other to allow ease of use as a push-pull pair. Source 3.55 (.138) 3.81 (.150) 4.50 (.177) Max. 0.40 (.016) 0.79 (.031) 2.87 (.113) 3.12 (.123) 1.65 (.065) 2.13 (.084) 19.81 (.780) 20.32 (.800) 1.01 (.040) 1.40 (.055) Device ARF446 ARF447 Gate Drain Source Source Drain Gate 2.21 (.087) 2.59 (.102) 5.45 (.215) BSC 2-Plcs. 050-4907 Rev C USA 405 S.W. Columbia Street Bend, Oregon 97702-1035 Phone: (541) 382 - 8028 FAX: (541) 388 - 0364 EUROPE Avenue J.F. Kennedy Bat B4 Parc Cadera Nord F-33700 Merignac - France Phone: (33) 5 57 92 15 15 FAX: (33) 5 56 47 97 61 |
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