Maker : ST Microelectronics
Part No. : LET9120

  Datasheet PDF : LET9120.pdf
  Cross Reference : LET9120 Cross Reference
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Shortcut : LET9120  LET9120M 

Product Information

LET9120 www.datasheet4u.com RF power transistors, LdmoST plastic family N-channel enhancement-mode lateral MOSFETs Preliminary Data Features ■ ■ ■ ■ Excellent thermal stability Common source configuration push-pull POUT = 120 W with 18 dB gain @ 860 MHz BeO free package Description The LET9120 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 1.6 GHz. Figure 1. M246 Epoxy sealed Pin connection 1 2 5 4 1-2 Drain 4-5 Gate 3 Source Figure 1. Device summary Order code LET9120 Package M246 Branding LET9120 March 2009 Rev 1 1/8 www.st.com 8 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. Contents LET9120 Contents 1 www.datasheet4u.com Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 1.2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 2.2 Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2/8 LET9120 Electrical data 1 www.datasheet4u.com Electrical data Maximum ratings Table 1. Symbol V(BR)DSS VGS ID PDISS TJ TSTG 1.1 Absolute maximum ratings (TC = 25 °C) Parameter Drain-source voltage Gate-source voltage Drain current Power dissipation (@ Tc = 70 °C) Max. operating junction temperature Storage temperature Value 80 ± 20 18 217 200 -65 to +150 Unit V V A W °C °C 1.2 Thermal data Table 2. Symbol RthJC Thermal data Parameter Junction - case thermal resistance Value 0.6 Unit °C/W 3/8 Electrical characteristics LET9120 2 www.datasheet4u.com Electrical characteristics TCASE = +25 °C 2.1 Static Table 3. Symbol V(BR)DSS IDSS IGSS VGS(Q) VDS(ON) GFS CISS COSS CRSS VGS = 0 V VGS = 0 V VGS = 5 V VDS = 28 V VGS = 10 V VDS = 10 V VGS = 0 V VGS = 0 V VGS = 0 V Static (per section) Test conditions IDS = 1 mA VDS = 28 V VDS = 0 V ID = 100 mA ID = 3 A ID = 3 A VDS = 28 V VDS = 28 V VDS = 28 V f = 1 MHz f = 1 MHz f = 1 MHz 2.5 58 30 0.7 2.0 0.9 Min 80 1 1 5.0 1.2 Typ Max Unit V μA μA V V mho pF pF pF 2.2 Dynamic Table 4. Symbol POUT GPS ηD Dynamic Test conditions VDD = 32 V IDQ = 400 mA f = 860 MHz Min 120 16 50 18 65 Typ Max Unit W dB % VDD = 32 V IDQ = 400 mA POUT = 120 W f = 860 MHz VDD = 32 V IDQ = 400 mA POUT = 120 W f = 860 MHz 4/8 LET9120 Package mechanical data 3 www.datasheet4u.com Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 5/8 Package mechanical data Table 5. Dim. Min www.datasheet4u.com LET9120 M246 (0.230 x 0.650 WIDE 4/L BAL N/HERM W/FLG) mechanical data mm. Typ Max 5.59 6.73 18.29 5.97 22.86 28.83 16.26 4.19 0.08 1.83 1.40 3.18 29.08 16.76 5.08 0.15 2.24 1.65 3.43 1.135 0.640 0.165 0.003 0.072 0.055 0.125 Min 0.210 0.255 0.680 0.225 .900 1.145 0.660 0.200 0.006 0.088 0.065 0.135 Inch Typ Max 0.220 0.265 0.720 0.235 A B C D E F G H I J K L 5.33 6.48 17.27 5.72 Figure 2. Package dimensions Controlling dimension: Inches Ref. 7145054A 6/8 LET9120 Revision history 4 www.datashee...

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