preliminary data this is preliminary information on a new product now in deve lopment or undergoing evaluation. details are subject to change without notice. january 2010 doc id 16984 rev 1 1/7 7 2STF2280 low voltage high performance pnp power transistor features low collector-emitter saturation voltage high current gain characteristic fast switching speed applications dc-dc converter, voltage regulation general purpose switching equipment description the device is a pnp transistor manufactured using new ?pb-hcd? (power bipolar high current density) technology. the resulting transistor shows exceptional high gain performances coupled with very low saturation voltage. figure 1. internal schematic diagram sot-89 4 3 2 1 table 1. device summary order code marking package packaging 2STF2280 2280 sot-89 tape and reel www.st.com
electrical ratings 2STF2280 2/7 doc id 16984 rev 1 1 electrical ratings table 2. absolute maximum ratings symbol parameter value unit v cbo collector-base voltage (i e = 0) -80 v v ceo collector-emitter voltage (i b = 0) -80 v v ebo emitter-base voltage (i c = 0) -5 v i c collector current 2 a i cm collector peak current (t p < 5 ms) 4 a i b base current 0.5 a i bm base peak current (t p < 5 ms) 1 a p tot total dissipation at t amb = 25c 1.4 w t j operating junction temperature -65 to 150 c t stg storage temperature table 3. thermal data symbol parameter value unit r thja (1) thermal resistance junction-ambient max 89 c/w 1. device mounted on a pcb area of 1 cm2.
2STF2280 electrical characteristics doc id 16984 rev 1 3 /7 2 electrical characteristics t case = 25 c unless otherwise specified. table 4. electrical characteristics symbol parameter test conditions min. typ. max. unit i ces collector cut-off current (v be = 0) v ce = -80 v -500 a i ceo collector cut-off current (i b = 0) v ce = -80 v -1 ma i ebo emitter cut-off current (i c = 0) v eb = -5 v -100 a v ceo(sus) (1) collector-emitter sustaining voltage (i b = 0) i c = -10 ma -80 v v ce(sat) (1) collector-emitter saturation voltage i c = -100 ma, i b = -10 ma i c = -1 a, i b = -100 ma -15 -100 -250 mv mv v be(sat) (1) base-emitter saturation voltage i c = -100 ma, i b = -10 ma i c = -1 a, i b = -100 ma -1 -1.1 v v h fe (1) dc current gain i c = -100 ma, v ce = -2 v i c = -500 ma, v ce = -2 v i c = -1 a, v ce = -2 v 140 100 80 190 3 00 f t transition frequency i c = -0.1 a, v ce = -10 v 50 mhz 1. pulse test: pulse duration 3 00 s, duty cycle 2 %.
package mechanical data 2STF2280 4/7 doc id 16984 rev 1 3 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.
2STF2280 package mechanical data doc id 16984 rev 1 5/7 s ot- 8 9 mechanical data dim. mm min. typ. max. a 1.40 1.60 b 0.44 0.56 b1 0.36 0.4 8 c 0.35 0.44 c1 0.35 0.44 d 4.40 4.60 d1 1.62 1. 8 3 e2.2 9 2.60 e 1.42 1.57 e1 2. 9 2 3.07 h3. 9 4 4.25 k1 8 l0. 89 1.20 r0.25 70 98 166_c
revision history 2STF2280 6/7 doc id 16984 rev 1 4 revision history table 5. document revision history date revision changes 14-jan-2010 1 initial release.
2STF2280 doc id 16984 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 an authorized st representative, 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. ? 2010 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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