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| (R) SD57120 RF POWER TRANSISTORS The LdmoST FAMILY PRELIMINARY DATA N-CHANNEL ENHANCEMENT-MODE LATERAL MOSFETs EXCELLENT THERMAL STABILITY COMMON SOURCE CONFIGURATION, PUSH-PULL POUT = 120 W with 13 dB gain @ 960 MHz BeO FREE PACKAGE INTERNAL INPUT MATCHING DESCRIPTION The SD57120 is a common source N-Channel enhancement-mode lateral Field-Effect RF power transistor designed for broadband commercial and industrial applications at frequencies up to 1.0 GHz. The SD57120 is designed for high gain and broadband performance operating in common source mode at 28V. Its internal matching makes it ideal for base station applications requiring high linearity. M252 epoxy sealed ORDER CODE BRANDING SD57120 XSD57120 PIN CONNECTION 1. Drain 2. Drain 3. Source ABSOLUTE MAXIMUM RATINGS (Tcase = 25 oC) Symbol V (BR)DSS V GS ID P DI SS Tj T STG Parameter Drain Source Voltage Gate-Source Voltage Drain Current Power Dissipation (@ T c= 70 o C) Max. O perating Junction Temperature Storage Temperature Value 65 20 14 236 200 -65 to 150 4. Gate 5. Gate Uni t V V A W o o C C THERMAL DATA R th (j-c) Junction-Case Thermal Resistance 0.55 o C/W March 2000 1/7 SD57120 ELECTRICAL SPECIFICATION (Tcase = 25 oC) STATIC (Per Section) Symb ol V (BR)DSS I DSS I GSS V GS(Q) V DS( ON) G FS C I SS * C OSS C RSS V GS = 0V V GS = 0V V GS = 20V V DS = 28V V GS = 10V V DS = 10V V GS = 0V V GS = 0V V GS = 0V Parameter I DS = 10 mA V DS = 28 V V DS = 0 V I D = 100 mA ID = 3 A ID = 3 A V DS = 28 V V DS = 28 V V DS = 28 V f = 1 MHz f = 1 MHz f = 1 MHz 3.0 0.7 3 175 44 1.7 Min. 65 1 1 5.0 0.8 Typ . Max. Un it V A A V V mho pF pF pF * Includes Internal Input Moscap. DYNAMIC Symb ol P OUT G PS D V DD = 28V V DD = 28 V V DD = 28 V Parameter f = 960 MHz P out = 120 W P out = 120W I DQ = 800 mA IDQ = 800 mA I DQ = 800 mA Po ut = 120 W IDQ = 800 mA Min. 120 13 50 10:1 14 Typ . Max. Un it W dB % VSW R Load f = 960 MHz V DD = 28 V Mismatch ALL PHASE ANGLES IMPEDANCE DATA FREQ . 945 MHz 960 MHz 980 MHz Z IN () 3.9 + j 4.9 4.1 - j 4.6 3.9 + j 5.2 Z DL () 3.6 - j 5.1 3.24 - j 4.74 3.27 - j 6.9 Measured gate to gate and drain to drain respectively. 2/7 SD57120 TYPICAL PERFORMANCE Output Power vs. Input Power Power Gain and Efficiency vs. Output Power 3/7 SD57120 960 MHz Test Circuit Schematic + + C17 L4 + R5 C12 C9 C6 C8 C19 C22 960 MHz Test Circuit Component Part List 4/7 SD57120 960 MHz Production Test Fixture C29 R4 R6 C11 C10 TL1 BF1 C7 C5 L2 R1 C2 C1 L1 C6 C8 BF2 C9 C12 R5 BF3 BF5 R3 C28 C19 C3 R2 C4 BALUN1 C13 C34 L4 TL2 C17 C23 C25 C24 C15 C16 C18 C14 C35 L3 C20 BF6 BF4 C21 C27 C31 C33 BALUN2 C22 C26 C32 C30 5/7 SD57120 M252 (.400 X .800 4L BAL N/HERM W/FLG) MECHANICAL DATA DIM. MIN. A B C D E F G H I J K L M N 33.91 0.10 1.52 2.36 4.57 9.96 21.64 3.00 9.65 2.16 21.97 27.94 34.16 0.15 1.78 2.74 5.33 10.34 22.05 1.335 0.004 0.060 0.093 0.180 0.392 0.852 8.13 10.80 3.30 9.91 2.92 22.23 0.118 0.380 0.085 0.865 1.100 1.345 0.006 0.070 0.108 0.210 0.407 0.868 mm TYP. MAX. 8.64 MIN. 0.320 0.425 0.130 0.390 0.115 0.875 inch TYP. MAX. 0.340 Controlling dimension : Inches 6/7 1022783C SD57120 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor 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 STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a trademark of STMicroelectronics (c) 2000 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com 7/7 |
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