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| MOTOROLA The RF Line SEMICONDUCTOR TECHNICAL DATA Order this document by MRF557/D NPN Silicon RF Low Power Transistor Designed primarily for wideband large signal predriver stages in the 800 MHz frequency range. * Specified @ 12.5 V, 870 MHz Characteristics Output Power = 1.5 W Minimum Gain = 8.0 dB Efficiency 60% (Typ) * Cost Effective PowerMacro Package * Electroless Tin Plated Leads for Improved Solderability * Circuit board photomaster available upon request by contacting RF Tactical Marketing in Phoenix, AZ. MRF557 1.5 W, 870 MHz RF LOW POWER TRANSISTOR NPN SILICON MAXIMUM RATINGS Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current -- Continuous Total Device Dissipation @ TC = 75C (1, 2) Derate above 75C Storage Temperature Range Symbol VCEO VCBO VEBO IC PD Tstg Value 16 36 4.0 400 3.0 40 - 55 to +150 Unit Vdc Vdc Vdc mAdc Watts mW/C C CASE 317D-02, STYLE 2 THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case Symbol RJC Max 25 Unit C/W ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted) Characteristic Symbol Min Typ Max Unit OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage (IC = 5.0 mAdc, IB = 0) Collector-Emitter Breakdown Voltage (IC = 5.0 mAdc, VBE = 0) Emitter-Base Breakdown Voltage (IE = 0.1 mAdc, IC = 0) Collector Cutoff Current (VCE = 15 Vdc, VBE = 0, TC = 25C) V(BR)CEO V(BR)CES V(BR)EBO ICES 16 36 4.0 -- -- -- -- -- -- -- -- 0.1 Vdc Vdc Vdc mAdc ON CHARACTERISTICS DC Current Gain (IC = 100 mAdc, VCE = 5.0 Vdc) hFE 50 90 200 -- DYNAMIC CHARACTERISTICS Output Capacitance (VCB = 15 Vdc, IE = 0, f = 1.0 MHz) Cob -- 3.5 5.0 pF NOTES: (continued) 1. TC, Case temperature measured on collector lead immediately adjacent to body of package. 2. The MRF557 PowerMacro must be properly mounted for reliable operation. AN938, "Mounting Techniques in PowerMacro Transistor," discusses methods of mounting and heatsinking. REV 7 (c)MOTOROLA RF DEVICE DATA Motorola, Inc. 1995 MRF557 1 ELECTRICAL CHARACTERISTICS -- continued (TA = 25C unless otherwise noted) Characteristic Symbol Min Typ Max Unit FUNCTIONAL TESTS Common-Emitter Amplifier Power Gain (VCC = 12.5 Vdc, Pout = 1.5 W, f = 870 MHz) Collector Efficiency (VCC = 12.5 Vdc, Pout = 1.5 W, f = 870 MHz) Load Mismatch Stress (VCC = 15.5 Vdc, Pin = 225 mW, f = 870 MHz, VSWR 10:1 all phase angles) Figures 1, 2 Figures 1, 2 Figures 1, 2 Gpe c No Degradation in Output Power 8.0 55 9.0 60 -- -- dB % L5 + B C8 B C9 C10 + VCC - L1 L3 Z3 RF POWER INPUT L2 Z1 Z2 C4 D.U.T. C5 C7 Z4 L4 C6 RF POWER OUTPUT C3 C1 C2 C1, C2, C5, C7 -- 0.8 - 8.0 pF Johanson Gigatrim* C3, C4 -- 15 pF Clamped Mica, Mini-Underwood C6 -- 27 pF Clamped Mica, Mini-Underwood C8 -- 91 pF Clamped Mica, Mini-Underwood C9 -- 68 pF Clamped Mica, Mini-Underwood C10 -- 1.0 F, 25 V Tantalum B -- Bead, Ferroxcube 56-590-65/3B PCB -- 1/16 Glass Teflon, r = 2.56 *Fixed tuned for broadband response. L1, L4 -- 5 Turns #21 AWG, 5/32 ID L2, L3 -- 60 x 125 x 250 Mils Copper Tab on L2, L3 -- 27 Mil Thick Alumina Substrate L5 -- 7 Turns #21 AWG, 5/32 ID Z1 -- 1.65 x 0.163 Microstrip, Zo = 50 Z2 -- 0.85 x 0.163 Microstrip, Zo = 50 Z3 -- 0.625 x 0.163 Microstrip, Zo = 50 Z4 -- 1.35 x 0.163 Microstrip, Zo = 50 Figure 1. 800 - 880 MHz Broadband Circuit MRF557 2 MOTOROLA RF DEVICE DATA 16 14 G pe , POWER GAIN (dB) 12 10 8 6 4 2 0 800 820 840 860 f, FREQUENCY (MHz) 880 IRL IRL, INPUT RETURN LOSS (dB) c Gpe 80 c , COLLECTOR EFFICIENCY (%) ZOL* Ohms VCC = 12.5 V VCC = 7.5 V Pout 806 MHz = 1.7 W Pout 870 MHz = 1.4 W Pout 960 MHz = 1.0 W 14.7 - j4.4 17.2 - j8.6 40 - j8.3 VCC = 12.5 V Pout 806 MHz = 2.1 W Pout 870 MHz = 1.8 W Pout 960 MHz = 1.1 W 13.6 - j12.8 16 - j13.2 38 - j10.5 70 60 50 5 40 10 30 15 20 20 10 0 900 Figure 2. Performance in Broadband Circuit Zin Ohms VCC = 7.5 V f Frequency MHz 806 870 960 Pin = 300 mW 2.4 + j3.9 2.5 + j4.6 6.1 + j7.4 Pin = 200 mW 2.4 + j3.1 2.7 + j3.7 6.8 + j8.3 ZOL* = Conjugate of the optimum load impedance into which the device output operates at a given output power, voltage and frequency. Table 1. Zin and ZOL versus Collector Voltage, Input Power and Output Power MOTOROLA RF DEVICE DATA MRF557 3 2.5 Pout , POWER OUTPUT (WATTS) VCC = 12.5 Vdc Pout , POWER OUTPUT (WATTS) 2.5 VCC = 7.5 Vdc Pin = 300 mW 1.5 200 mW 1 100 mW 0.5 2 2 1.5 7.5 Vdc 1 0.5 f = 870 MHz 0 0 100 200 Pin, POWER INPUT (mW) 300 400 0 800 820 840 860 880 900 f, FREQUENCY (MHz) 920 940 960 Figure 3. Power Output versus Power Input Figure 4. Power Output versus Frequency 2.5 Pin = 300 mW Pout , POWER OUTPUT (WATTS) Pout , POWER OUTPUT (WATTS) 2 200 mW 1.5 100 mW 4 f = 806 MHz 3 Pin = 300 mW 200 mW 2 100 mW 1 1 0.5 VCC = 12.5 Vdc 0 800 0 820 840 860 880 900 f, FREQUENCY (MHz) 920 940 960 6 8 10 12 VCC, SUPPLY VOLTAGE (VOLTS) 14 16 Figure 5. Power Output versus Frequency Figure 6. Power Output versus Supply Voltage 4 Pout , POWER OUTPUT (WATTS) Pout , POWER OUTPUT (WATTS) 4 f = 870 MHz 3 Pin = 300 mW 200 mW 2 100 mW 1 f = 960 MHz 3 2 Pin = 300 mW 200 mW 1 100 mW 0 0 6 8 10 12 VCC, SUPPLY VOLTAGE (VOLTS) 14 16 6 8 10 12 14 VCC, SUPPLY VOLTAGE (VOLTS) 16 Figure 7. Power Output versus Supply Voltage Figure 8. Power Output versus Supply Voltage MRF557 4 MOTOROLA RF DEVICE DATA PACKAGE DIMENSIONS F R 1 H 4 3 2 A NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. LEAD DIMENSIONS UNCONTROLLED WITHIN DIMENSION N AND R. DIM A C D F H J K N R T INCHES MIN MAX 0.175 0.205 0.075 0.100 0.033 0.039 0.097 0.104 0.348 0.383 0.008 0.012 0.285 0.320 --- 0.065 --- 0.128 0.025 0.040 MILLIMETERS MIN MAX 4.45 5.20 1.91 2.54 0.84 0.99 2.46 2.64 8.84 9.72 0.24 0.30 7.24 8.12 --- 1.65 --- 3.25 0.64 1.01 D K N T SEATING PLANE C J STYLE 2: PIN 1. 2. 3. 4. COLLECTOR EMITTER BASE EMITTER CASE 317D-02 ISSUE C MOTOROLA RF DEVICE DATA MRF557 5 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola 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 can and do vary in different applications. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. How to reach us: USA / EUROPE: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036. 1-800-441-2447 MFAX: RMFAX0@email.sps.mot.com - TOUCHTONE (602) 244-6609 INTERNET: http://Design-NET.com JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, Toshikatsu Otsuki, 6F Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 03-3521-8315 HONG KONG: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298 MRF557 6 *MRF557/D* MRF557/D MOTOROLA RF DEVICE DATA |
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