october 2011 doc id 022039 rev 1 1/7 7 STPS20SM60 power schottky rectifier features high current capability avalanche rated low forward voltage drop high frequency operation description the STPS20SM60d is a single diode schottky rectifier, suited for high frequency switch mode power supply. packaged in to-220ac,this device is intended to be used in notebook, game station and desktop adapters, providing in these applications a good efficiency at both low and high load. figure 1. electrical characteristics (a) table 1. device summary symbol value i f(av) 20 a v rrm 60 v v f (typ) 0.41 v t j (max) 150 c a. v arm and i arm must respect the reverse safe operating area defined in figure 11 . v ar and i ar are pulse measurements (t p < 1 s). v r , i r , v rrm and v f , are static characteristics k a k k a to-220ac STPS20SM60d i f 2 x i o i o i r i ar v f(i o ) v to v f(2xi o ) v f v i i v v r v rrm "reverse" "forward" v ar x x www.st.com
characteristics STPS20SM60 2/7 doc id 022039 rev 1 1 characteristics to evaluate the conduction losses use the following equation: p = 0.430 x i f(av) + 0.0075 x i f 2 (rms) table 2. absolute ratings (limiting values, at t amb = 25 c unless otherwise specified) symbol parameter value unit v rrm repetitive peak reverse voltage 60 v i f(rms) forward rms current 60 a i f(av) average forward current, = 0.5 t c = 130 c 20 a i fsm surge non repetitive forward current t p = 10 ms sine-wave 400 a p arm (1) 1. for temperature or pulse time duration deratings, please refer to figure 4 and 5 . more details regarding the avalanche energy measurements and diode validation in the avalanc he are provided in the application notes an1768 and an2025. repetitive peak avalanche power t j = 25 c, t p = 1 s 18400 w v arm (2) 2. see figure 11 maximum repetitive peak avalanche voltage t p < 1 s, t j < 150 c, i ar < 69 a 80 v v asm (2) maximum repetitive peak avalanche voltage t p < 1 s, t j < 150 c, i ar < 69 a 80 v t stg storage temperature range -65 to +175 c t j maximum operating junction temperature (3) 3. condition to avoid thermal runaway for a diode on its own heatsink 150 c table 3. thermal parameters symbol parameter value unit r th(j-c) junction to case 1.3 c/w table 4. static electrical characteristics symbol parameter test conditions min. typ. max. unit i r (1) 1. pulse test: t p = 5 ms, < 2% reverse leakage current t j = 25 c v r = v rrm -2085a t j = 125 c - 15 50 ma v f (2) 2. pulse test: t p = 380 s, < 2% forward voltage drop t j = 25 c i f = 10 a - 0.495 0.535 v t j = 125 c - 0.410 0.460 t j = 25 c i f = 20 a - 0.570 0.630 t j = 125 c - 0.510 0.580 dptot dtj < 1 rth(j-a)
STPS20SM60 characteristics doc id 022039 rev 1 3/7 figure 2. average forward power dissipation versus average forward current figure 3. average forward current versus ambient temperature ( = 0.5) 0 2 4 6 8 10 12 14 16 18 0 2 4 6 8 101214161820222426 p (w) f(av) = 1 = 0.5 = 0.2 = 0.1 = 0.05 t = t / t p t p i (a) f(av) 0 4 8 12 16 20 24 0 25 50 75 100 125 150 r th(j-a) = r th(j-c) i (a) f(av) t (c) amb figure 4. normalized avalanche power derating versus pulse duration figure 5. normalized avalanche power derating versus junction temperature 0.001 0.01 0.1 0.01 1 0.1 10 100 1000 1 p(t p ) p (1s) arm arm t (s) p 0 0.2 0.4 0.6 0.8 1 1.2 25 50 75 100 125 150 p(t) p (25 c) arm j arm t (c) j figure 6. non repetitive surge peak forward current versus overload duration (maximum values) figure 7. relative thermal impedance junction to case versus pulse duration 0 40 80 120 160 200 240 280 1.e-03 1.e-02 1.e-01 1.e+00 i (a) m i m t = 0.5 t = 25 c c t = 75 c c t = 125 c c t(s) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-04 1.e-03 1.e-02 1.e-01 1.e+00 z/r th(j-c) th(j-c) single pulse t (s) p
characteristics STPS20SM60 4/7 doc id 022039 rev 1 figure 8. reverse leakage current versus reverse voltage applied (typical values) figure 9. junction capacitance versus reverse voltage applied (typical values) 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 0 1020304050 60 i (ma) r v (v) r t = 25 c j t = 50 c j t = 75 c j t = 125 c j t = 150 c j t = 100 c j 100 1000 10000 1 10 100 c(pf) v (v) r f = 1 mhz v = 30 mv t = 25 c osc rms j figure 10. forward voltage drop versus forward current figure 11. reverse safe operating area (t p < 1 s and t j < 150 c) 0.1 1.0 10.0 100.0 1000.0 0 . 00 .2 0 .4 0 . 60 . 8 1. 0 1.2 1.4 i (a) fm (maximum values) t = 25 c j (maximum values) t = 125 c j (typical values) t = 125 c j v (v) fm 40.0 45.0 50.0 55.0 60.0 65.0 70.0 75.0 80 85 90 95 100 105 110 115 120 i (a) arm i (v ) 150 c, 1s arm arm v (v) arm
STPS20SM60 package information doc id 022039 rev 1 5/7 2 package information epoxy meets ul94, v0 cooling method: by conduction (c) recommended torque value: 0.4 to 0.6 nm 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. table 5. to-220ac dimensions ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 c 1.23 1.32 0.048 0.051 d 2.40 2.72 0.094 0.107 e 0.49 0.70 0.019 0.027 f 0.61 0.88 0.024 0.034 f1 1.14 1.70 0.044 0.066 g 4.95 5.15 0.194 0.202 h2 10.00 10.40 0.393 0.409 l2 16.40 typ. 0.645 typ. l4 13.00 14.00 0.511 0.551 l5 2.65 2.95 0.104 0.116 l6 15.25 15.75 0.600 0.620 l7 6.20 6.60 0.244 0.259 l9 3.50 3.93 0.137 0.154 m 2.6 typ. 0.102 typ. diam. i 3.75 3.85 0.147 0.151 a c d l7 ? i l5 l6 l9 l4 f h2 g l2 f1 e m
ordering information STPS20SM60 6/7 doc id 022039 rev 1 3 ordering information 4 revision history table 6. ordering information order code marking package weight base qty delivery mode STPS20SM60d STPS20SM60d to-220ac 1.86 g 50 tube table 7. revision history date revision changes 25-oct-2011 1 first issue.
STPS20SM60 doc id 022039 rev 1 7/7 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. ? 2011 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
|
