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march 2006 rev 1 1/13 13 DB-54008L-406 rf power amplifier using 1 x pd54008l n-channel enhancement-mode lateral mosfets general feature excellent thermal stability frequency: 406 mhz supply voltage: 7.5v output power: 7w power gain: 13db efficiency: 60% load mismatch: 20:1 beo free amplifier description the DB-54008L-406 is a common source n-channel enhancement-mode lateral field effect rf power amplifier designed for marine applications such as epirb order code DB-54008L-406 mechanical specification: l = 60 mm, w = 30 mm www.st.com
contents DB-54008L-406 2/13 contents 1 electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 mounting indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
DB-54008L-406 electrical data 3/13 1 electrical data 1.1 maximum ratings table 1. absolute maximum ratings symbol parameter value unit v dd supply voltage 16 v i d drain current 2.5 a p diss power dissipation 8 w t case operating case temperature -20 to +85 c t a max. ambient temperature +55 c
electrical characteristics DB-54008L-406 4/13 2 electrical characteristics t a = +25 o c, v dd = 7.5 v, i dq = 100 ma table 2. electrical specification symbol test conditions min. typ. max. unit freq frequency range 400 406 420 mhz p out 7w gain @ p out = 7w 13 db nd @ p out = 7w 60 % gain flatness @ p out = 7w 0.2 db h2 2 nd harmonic @ p out = 7w -57 -50 dbc h3 3 rd harmonic @ p out = 7w -65 -60 dbc vswr load mismatch all phases @ p out = 7w 20:1
DB-54008L-406 typical performance 5/13 3 typical performance figure 1. p out vs. pin & frequency figure 2. efficiency vs. p out & frequency figure 3. output power & efficiency vs. frequency figure 4. output power & efficiency vs. frequency 0 1 2 3 4 5 6 7 8 9 0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 pin (mw) pout (w) vdd = 7.5 v idq = 100 ma f = 390 mhz f = 420 mhz f = 400 mhz f = 410 mhz 0 10 20 30 40 50 60 70 80 90 123456789 pout (w ) nd (%) vdd = 7.5 v idq = 100 ma f = 390 mhz f = 420 mhz f = 410 mhz f = 400 mhz 0 1 2 3 4 5 6 7 8 9 10 370 380 390 400 410 420 430 f (mhz) pout (w) 0 10 20 30 40 50 60 70 80 90 100 nd (%) vdd = 7.5 v idq = 100 ma pin = 350 mw efficinecy pout 0 1 2 3 4 5 6 7 8 9 10 370 380 390 400 410 420 430 f (mhz) pout (w) 0 10 20 30 40 50 60 70 80 90 100 nd (%) vdd = 6 v idq = 100 ma pin = 350 mw pout efficiency
typical performance DB-54008L-406 6/13 figure 5. input return loss vs. frequency figure 6. harmonics vs. frequency -10 -8 -6 -4 -2 0 370 380 390 400 410 420 43 0 f (mhz) rtl (db) vdd = 7.5 v idq = 100 ma pout = 7 w harm onics vs frequency -70 -65 -60 -55 -50 -45 -40 -35 -30 370 380 390 400 410 420 430 f (mhz) harmonics level (db) vdd = 7.5 v idq = 100 ma pout = 7 w
DB-54008L-406 circuit layout 7/13 4 circuit layout figure 7. circuit layout figure 8. test circuit photomaster
mounting indications DB-54008L-406 8/13 5 mounting indications figure 9. standard smd mounting
DB-54008L-406 mechanical data 9/13 6 mechanical data in order to meet environmental requirements, st offers these devices in ecopack? packages. these packages have a lead-free second level interconnect . the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com
mechanical data DB-54008L-406 10/13 table 3. powerflat? mechanical data dim. mm inch min. typ. max. min. typ. max. a 0.90 1.00 0.035 0.039 a1 0.02 0.05 0.001 0.002 a3 0.24 0.009 aa 0.15 0.25 0.35 0.006 0.01 0.014 b 0.43 0.51 0.58 0.017 0.020 0.023 c 0.64 0.71 0.79 0.025 0.028 0.031 d 5.00 0.197 d0.30 0.011 e 5.00 0.197 e2 2.49 2.57 2.64 0.098 0.101 0.104 e 1.27 0.050 f 3.37 0.132 g0.74 0.03 h 0.21 0.008 figure 10. powerflat? package dimensions
DB-54008L-406 mechanical data 11/13 table 4. powerflat? tape & reel dimensions dim. mm. inch min. typ max. min. typ max. ao 5.15 5.25 5.35 0.12 0.13 0.13 bo 5.15 5.25 5.35 0.12 0.13 0.13 ko 1.0 1.1 1.2 0.02 0.02 0.02 figure 11. powerflat? tape & reel
revision history DB-54008L-406 12/13 7 revision history table 5. revision history date revision changes 8-mar-2006 1 initial release.
DB-54008L-406 13/13 please read carefully: i nformation in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st? ) reserve th e r ight to make changes, corrections, modifications or improvements, to this document, and the products and services described her ein at an y t ime, without notice. a ll st products are sold pursuant to st?s terms and conditions of sale. p urchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st ass umes n o l iability whatsoever relating to the choice, selection or use of the st products and services described herein. n o license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. if any part of th is d ocument refers to any third party products or services it shall not be deemed a license grant by st for the use of such third p arty produc ts o r services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoeve r of suc h t hird party products or services or any intellectual property contained therein. u nless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implie d w arranty with respect to the use and/or sale of st products including without limitation implie d w arranties of merchantability, fitness for a particular purpose (and their equivalents under the law s o f any jurisdiction), or infringement of any patent, copyright or other intellectual property right. u nless expressly approved in writing by an authorize representative of st, st products are not designe d, a uthorized or warranted for use in military, air craft, space, life saving, or life sustaining application s, n or in products or systems, where failure or malfunction may result in personal injury, death, o r s evere property or environmental damage. r esale of st products with provisions different from the statements and/or technical features set forth in this document shall i mmediately vo id a ny warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoeve r, an y l iability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2006 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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