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june 2009 doc id 15795 rev 1 1/12 12 STAP85025 rf power transistor, ldmost plastic family n-channel enhancement-mode lateral mosfets features excellent thermal stability common source configuration p out = 25 w with 15.7 db gain @ 870 mhz / 13.6 v plastic package esd protection in compliance with the 2002/95/ec european directive description the STAP85025 is a common source n-channel, enhancement-mode lateral field-effect rf power transistor. it is designed for high gain, broadband commercial and industrial applications. it operates at 13.6 v in common source mode at frequencies of up to 1 ghz. STAP85025 boasts the excellent gain, linearity and reliability of st?s latest ldmos technology mounted in stap st advanced powerso-10rf package. STAP85025?s superior linearity performance makes it an ideal solution for car mobile radio. the stap st plastic package was designed to offer high reliability and high power capability. it has been specially optimized for rf needs and offers excellent rf performances and ease of assembly. mounting recommendations are available in www.st.com/rf/ (look for application note an1294) figure 1. pin connection stap1 am02217 drain gate source table 1. device summary order code package packaging STAP85025 stap1 tube www.st.com
contents STAP85025 2/12 doc id 15795 rev 1 contents 1 electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 static . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.3 esd protection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.4 moisture sensitivity level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 ecopack ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
STAP85025 electrical data doc id 15795 rev 1 3/12 1 electrical data 1.1 maximum ratings 1.2 thermal data table 2. absolute maximum ratings (t case = 25 c) symbol parameter value unit v (br)dss drain-source voltage 40 v v gs gate-source voltage -0.5 to +15 v i d drain current 7 a p diss power dissipation (@ t c = 70 c) 79 w t j max. operating junction temperature 165 c t stg storage temperature -65 to +150 c table 3. thermal data symbol parameter value unit r thjc junction - case thermal resistance 1.2 c/w
electrical characteristics STAP85025 4/12 doc id 15795 rev 1 2 electrical characteristics t case = +25 o c 2.1 static 2.2 dynamic 2.3 esd protection characteristics 2.4 moisture sensitivity level table 4. static symbol test conditions min typ max unit i dss v gs = 0 v v ds = 25 v _ 1a i gss v gs = 5 v v ds = 0 v 1 a v gs(q) v ds = 10 v i d = 300 ma 4.1 v v ds(on) v gs = 10 v i d = 1 a 0.27 0.31 v c iss v gs = 0 v v ds = 12.5 v f = 1 mhz 55 pf c oss v gs = 0 v v ds = 12.5 v f = 1 mhz 40 pf c rss v gs = 0 v v ds = 12.5 v f = 1 mhz 1.5 pf table 5. dynamic symbol test conditions min typ max unit p3db v dd = 13.6 v, i dq = 300 ma f = 870 mhz 25 30 _ w g p v dd = 13.6 v, i dq = 300 ma, p out = 10 w, f = 870 mhz 15 17.3 db h d v dd = 13.6 v, i dq = 300 ma, p out = p3db, f = 870 mhz 60 66 % load mismatch v dd = 17 v, i dq = 300 ma, p out = 45 w, f = 870 mhz all phase angles 20:1 vswr table 6. esd protection characteristics test conditions class human body model 2 machine model m3 table 7. moisture sensitivity level test conditions rating j-std-020b msl 3
STAP85025 impedance doc id 15795 rev 1 5/12 3 impedance figure 2. current conventions table 8. impedance data frequency (mhz) z in ( )z dl ( ) 870 mhz 0.21 +j 1.82 1.23 -j 0.98
typical performance STAP85025 6/12 doc id 15795 rev 1 4 typical performance figure 3. capacitances vs drain voltage figure 4. dc output characteristics (t amb = -40 o c) figure 5. dc output characteristics (t amb = 20 o c) 0 20 40 60 80 100 120 01020304050 vds (v) capacitances (pf ) coss cr s s cis s p 0 1 2 3 4 5 6 0510 vds[v] vgs = 4.0v vg s = 4 .5 v vgs = 5.0v vg s = 5 .5 v vgs = 6.0v tamb = - 40 c id[a] 0 1 2 3 4 5 6 0510 vds[v] vgs = 4.0v vgs = 4.5v vgs = 5.0v vgs = 5.5v vgs = 6.0v tamb = + 20 c id[a]
STAP85025 typical performance doc id 15795 rev 1 7/12 figure 6. dc output characteristics (t amb = 60 o c) figure 7. gain vs output power and bias current 0 1 2 3 4 5 6 024681012 vds[v] vgs = 4 .0v vgs = 4.5v vgs = 5 .0v vgs = 5.5v vgs = 6 .0v tamb = + 60 c id[a] 10 11 12 13 14 15 16 17 18 19 20 0 5 10 15 20 25 30 35 input power (w) output power (w) idq = 100ma idq = 200ma idq = 300ma freq = 870 mhz vdd = 13.6v gain (db) output power (w) figure 8. ouptut power and efficiency vs input power figure 9. output power and drain current vs gate voltage 0 5 10 15 20 25 30 35 40 0.00.51.01.52.02.5 input power (w) output power (w) 0 10 20 30 40 50 60 70 80 efficiency (%) pout eff freq = 870 mhz vdd = 13.6v idq = 300 ma 0 4 8 12 16 20 24 28 32 0123456 vgs (v) pout (w) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 id (a) pout id freq = 870 mhz pin = 0.4w idq = 300ma
typical performance STAP85025 8/12 doc id 15795 rev 1 figure 10. pout and drain current vs supply voltage (p in = 0.4 w) figure 11. pout and drain current vs supply voltage (p in = 1 w) 0 5 10 15 20 25 30 710131619 vdd (v) pout (w) 0 0.5 1 1.5 2 2.5 3 id (a) pout id freq = 870 mhz idq = 300ma pin = 0.4w 0 5 10 15 20 25 30 35 40 7 10131619 vdd (v) pout (w) 0 0.5 1 1.5 2 2.5 3 3.5 4 id (a) pout id freq = 870 mhz idq = 300ma pin = 1w
STAP85025 ecopack ? doc id 15795 rev 1 9/12 5 ecopack ? 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.
ecopack ? STAP85025 10/12 doc id 15795 rev 1 figure 12. package dimensions table 9. stap1 mechanical data mm. inch dim. min max min max a 5.40 5.65 0.212 0.222 b 9.27 9.53 0.365 0.375 b1 2.90 3.10 0.114 0.122 b2 15.10 15.65 0.594 0.616 c 6.60 6.99 0.260 0.275 d 23.11 23.42 0.910 0.922 d1 14.88 15.19 0.586 0.598 d2 7.52 7.82 0.296 0.308 e 7.42 7.57 0.292 0.298 e1 5.69 5.84 0.224 0.230 f 0.21 0.31 0.008 0.012 g 1.62 1.72 0.064 0.068 q 3.15 3.30 0.124 0.130 r1 1.52 0.060 r2 0.64 0.025 !-v
STAP85025 revision history doc id 15795 rev 1 11/12 6 revision history table 10. document revision history date revision changes 01-jun-2009 1 initial release.
STAP85025 12/12 doc id 15795 rev 1 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at an y time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a particular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by an authorized st representative, st products are not recommended, authorized or warranted for use in military, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, an y liability 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. ? 2009 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 - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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