SD57120 RF POWER TRANSISTORS The LdmoST FAMILY PRELIMINARY DATA N-CHANNEL ENHANCEMENT-MODE LATERAL MOSFETs ν ν ν ν ν 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 4. Gate 5. Gate ABSOLUTE MAXIMUM RATINGS (Tcase = 25 oC) Symbol Parameter Value Uni t V (BR)DSS Drain Source Voltage 65 V V GS Gate-Source Voltage ± 20 V ID P DI SS Tj T STG Drain Current 14 A Power Dissipation (@ T c= 70 o C) 236 W Max. O perating Junction Temperature 200 o C -65 to 150 o C Storage Temperature THERMAL DATA R th (j-c) March 2000 Junction-Case Thermal Resistance 0.55 o C/W 1/7 SD57120 ELECTRICAL SPECIFICATION (Tcase = 25 oC) STATIC (Per Section) Symb ol Parameter Min. 65 Typ . Max. Un it V (BR)DSS V GS = 0V I DS = 10 mA I DSS V GS = 0V V DS = 28 V 1 µA I GSS V GS = 20V V DS = 0 V 1 µA V V GS(Q) V DS = 28V I D = 100 mA V DS( ON) V GS = 10V ID = 3 A 0.7 G FS V DS = 10V ID = 3 A 3 mho 3.0 5.0 V 0.8 V C I SS * V GS = 0V V DS = 28 V f = 1 MHz 175 pF C OSS V GS = 0V V DS = 28 V f = 1 MHz 44 pF C RSS V GS = 0V V DS = 28 V f = 1 MHz 1.7 pF * Includes Internal Input Moscap. DYNAMIC Symb ol Parameter P OUT V DD = 28V f = 960 MHz G PS V DD = 28 V ηD V DD = 28 V Min. Max. Un it I DQ = 800 mA 120 P out = 120 W IDQ = 800 mA 13 P out = 120W I DQ = 800 mA 50 % 10:1 VSW R Load f = 960 MHz V DD = 28 V Mismatch ALL PHASE ANGLES Po ut = 120 W IDQ = 800 mA IMPEDANCE DATA FREQ . Z IN (Ω) Z DL (Ω) 945 MHz 3.9 + j 4.9 3.6 - j 5.1 960 MHz 4.1 - j 4.6 3.24 - j 4.74 980 MHz 3.9 + j 5.2 3.27 - j 6.9 Measured gate to gate and drain to drain respectively. 2/7 Typ . W 14 dB 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 960 MHz Test Circuit Component Part List 4/7 C8 C19 C22 SD57120 960 MHz Production Test Fixture C29 C20 BF6 R6 C27 BF4 C11 C21 C10 TL1 C31 C33 R4 BF1 C7 C14 C35 L3 C5 L2 C15 C16 BALUN2 C18 R1 C2 C25 C23 C3 R2 C1 C24 C17 C4 L1 BALUN1 C13 C34 C6 L4 C8 TL2 BF2 C9 C19 C22 C12 R5 BF3 BF5 C26 R3 C32 C28 C30 5/7 SD57120 M252 (.400 X .800 4L BAL N/HERM W/FLG) MECHANICAL DATA mm DIM. MIN. A TYP. 8.13 B inch MAX. MIN. 8.64 0.320 10.80 MAX. 0.340 0.425 C 3.00 3.30 0.118 0.130 D 9.65 9.91 0.380 0.390 E 2.16 2.92 0.085 0.115 F 21.97 22.23 0.865 0.875 G 27.94 1.100 H 33.91 34.16 1.335 1.345 I 0.10 0.15 0.004 0.006 J 1.52 1.78 0.060 0.070 K 2.36 2.74 0.093 0.108 L 4.57 5.33 0.180 0.210 M 9.96 10.34 0.392 0.407 N 21.64 22.05 0.852 0.868 Controlling dimension : Inches 6/7 TYP. 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 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