this is information on a product in full production. october 2012 doc id 17390 rev 1 1/8 8 STPS340-Y automotive power schottky rectifier datasheet ? production data features very small conduction losses negligible switching losses low forward voltage drop low thermal resistance extremely fast switching surface mounted device avalanche capability specified aec-q101 qualified description this single chip schottky rectifier is suited for switch mode power supplies and high frequency dc to dc converters. packaged in smb, and smc, this device is intended for use in low and medium voltage operation, high frequency inverters, free wheeling and polarity protection applications where low switching losses are re quired for automotive applications. table 1. device summary i f(av) 3 a v rrm 40 v t j (max) 150 c v f (max) 0.57 v smb stps340uy smc stps340sy k a k a www.st.com
characteristics STPS340-Y 2/8 doc id 17390 rev 1 1 characteristics table 2. absolute ratings (limiting values) symbol parameter value unit v rrm repetitive peak reverse voltage 40 v i f(rms) forward rms current 6 a i f(av) average forward current smb t l = 95 c ? = 0.5 3 a smc t l = 105 c ? = 0.5 3 a i fsm surge non repetitive forward current t p =10 ms sinusoidal 75 a p arm repetitive peak avalanche power t p = 1 s t j = 25 c 1300 w t stg storage temperature range -65 to + 150 c t j operating junction temperature (1) range 1. condition to avoid thermal r unaway for a diode on its own heatsink -40 to +150 c table 3. thermal resistance symbol parameter value unit r th(j-l) junction to lead smb 25 c/w smc 20 table 4. static electrical characteristics symbol parameter test conditions min. typ. max. unit i r (1) 1. pulse test: t p = 380 s, ? < 2% to evaluate the conduction losses use the following equation: p = 0.42 x i f(av) + 0.050 i f 2 (rms) reverse leakage current t j = 25 c v r = v rrm 20 a t j = 125 c 2 10 ma v f (1) forward voltage drop t j = 25 c i f = 3 a 0.63 v t j = 125 c 0.52 0.57 t j = 25 c i f = 6 a 0.84 t j = 125 c 0.63 0.72 dptot dtj < 1 rth(j-a)
STPS340-Y characteristics doc id 17390 rev 1 3/8 figure 1. average forward power dissipation versus average forward current (per diode) figure 2. average forward current versus ambient temperature ( ? = 0.5, per diode) 0.0 0.5 1.0 1.5 2.0 2.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 p (w) f(av) t =tp/t tp i (a) f(av) = 1 = 0.05 = 0.1 = 0.2 = 0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 25 50 75 100 125 150 i (a) f(av) t (c) amb r =65c/w th(j-a) r=r th(j-a) th(j-l) smb / smc t =tp/t tp figure 3. non repetitive surge peak forward current versus overload duration (maximum values) (smb) figure 4. non repetitive surge peak forward current versus overload duration (maximum values) (smc) 0 1 2 3 4 5 6 7 8 9 10 1.e-03 1.e-02 1.e-01 1.e+00 i m t =0.5 i (a) m t(s) t =25c a t =75c a t =125c a smb 0 1 2 3 4 5 6 7 8 9 10 11 12 1.e-03 1.e-02 1.e-01 1.e+00 i m t =0.5 i (a) m t(s) t =25c a t =75c a t =125c a smc figure 5. normalized avalanche power derating versus pulse duration figure 6. normalized avalanche power derating versus junction temperature 0.001 0.01 0.1 0.01 1 0.1 10 100 1000 1 t (s) p p(t) p (1s) arm p arm 0 0.2 0.4 0.6 0.8 1 1.2 25 50 75 100 125 150 t (c) j p() p (25c) arm t j arm
characteristics STPS340-Y 4/8 doc id 17390 rev 1 figure 7. relative variation of thermal impedance junction to ambient versus pulse duration (smb) figure 8. relative variation of thermal impedance junction to ambient versus pulse duration (smc) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 z/r th(j-a) th(j-a) t =tp/t tp t (s) p single pulse smb 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 z/r th(j-a) th(j-a) t =tp/t tp t (s) p single pulse smc figure 9. reverse leakage current versus reverse voltage applied (typical values) figure 10. junction capacitance versus reverse voltage applied (typical values) i (ma) r 1.e-04 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 0 5 10 15 20 25 30 35 40 t j =150c t j =125c t j =100c t j =75c t j =25c v (v) r 10 100 1000 1 10 100 c(pf) v (v) r f=1mhz v =30mv t =25c osc rms j figure 11. forward voltage drop versus forward current figure 12. thermal resistance junction to ambient versus copper surface under each lead i (a) fm 0.01 0.10 1.00 10.00 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 t j =25c (maximum values) t j =125c (typical values) t j =125c (typical values) t j =125c (maximum values) v (v) fm 0 10 20 30 40 50 60 70 80 90 100 110 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 smb / smc s (cm2) cu r (c/w) th(j-a) printed circuit board fr4 copper thickness = 35 m
STPS340-Y package information doc id 17390 rev 1 5/8 2 package information epoxy meets ul94, v0 band indicates cathode on smb and smc 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. figure 13. smb footprint (dimensions in mm) table 5. smb dimensions ref. dimensions millimeters inches min. max. min. max. a1 1.90 2.45 0.075 0.096 a2 0.05 0.20 0.002 0.008 b 1.95 2.20 0.077 0.087 c 0.15 0.40 0.006 0.016 e 5.10 5.60 0.201 0.220 e1 4.05 4.60 0.159 0.181 d 3.30 3.95 0.130 0.156 l 0.75 1.50 0.030 0.059 e c l e1 d a1 a2 b 2.60 5.84 1.62 2.18 1.62
package information STPS340-Y 6/8 doc id 17390 rev 1 figure 14. footprint dimensions (in millimeters) table 6. smc package dimensions ref dimensions millimeters inches min. max. min. max. a1 1.90 2.45 0.075 0.096 a2 0.05 0.20 0.002 0.008 b 2.90 3.2 0.114 0.126 c 0.15 0.41 0.006 0.016 e 7.75 8.15 0.305 0.321 e1 6.60 7.15 0.260 0.281 e2 4.40 4.70 0.173 0.185 d 5.55 6.25 0.218 0.246 l 0.75 1.40 0.030 0.063 e c l e2 e1 d a1 a2 b 5.03 8.11 1.54 3.15 1.54
STPS340-Y ordering information doc id 17390 rev 1 7/8 3 ordering information 4 revision history table 7. ordering information order code marking package weight base qty delivery mode stps340uy u34y smb 0.107 g 2500 tape and reel stps340sy s34y smc 0.243 g table 8. document revision history date revision changes 24-oct-2012 1 first issue.
STPS340-Y 8/8 doc id 17390 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 any 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 parti cular 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 two authorized st representatives, st products are not recommended, authorized or warranted for use in milita ry, 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, any 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. ? 2012 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
|
