View LM4041AELT-12_8327503.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

this is information on a product in full production. february 2014 docid018817 rev 4 1/16 lm4041 precision micropower shunt voltage reference datasheet - production data features ? fixed 1.225 v typical output voltage ? ultra low operating current: 40 a at 25 c ? high precision: +/- 0.1% @ 25 c (0.2%, 0.5% and 1% versions are also available) ? stable when used with capacitive loads ? industrial (- 40 to+ 85 c) and extended (- 40 to +125 c) temperature range versions available ? 100 ppm/c maximum temperature coefficient ? available in sot23-3l and sot323-5l packages applications ? computers ? battery chargers ? switch mode power supply ? battery operated equipment ? data acquisition systems ? energy management ? instrumentation description the lm4041 is a micropower shunt voltage reference, providing a stable 1.225 v output voltage, with an initial accuracy of 0.1% @ 25 c and a low temperature coefficient. available in sot323-5l and sot23-3l surface mount packages, it can be designed in applications where space saving is a critical issue. the low operating current is a key advantage for power restricted designs. in addition, the lm4041 is very stable and can be used in a broad range of application conditions. sot23-3l sot323-5l www.st.com
contents lm4041 2/16 docid018817 rev 4 contents 1 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7 order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 8 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
docid018817 rev 4 3/16 lm4041 pin configuration 16 1 pin configuration note: below pins must be left floating or connected to anode pin to improve noise immunity due to pcb layout. sot23-3l: pin 3. sot323-5l: pin 2, pin 4 and pin 5. figure 1. pin connection (top view) $0y $0y 627/ 627/
maximum ratings lm4041 4/16 docid018817 rev 4 2 maximum ratings note: absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these conditions is not implied. table 1. absolute maximum ratings symbol parameter value unit i k reverse breakdown current 20 ma v k maximum cathode voltage 8 v i f forward current 10 ma p d power dissipation (1) sot23-3l sot323-5l 500 536 mw t stg storage temperature - 65 to +150 c esd human body model (hbm) 2 kv machine model (mm) 200 v charged device model 1500 v t lead lead temperature (soldering) 10 sec 260 c t j max junction temperature +150 c 1. p d has been calculated with t amb = 25c and t jmax = 150 c. table 2. thermal data symbol parameter sot323-5l sot23-3l unit r thja thermal resistance junction-ambient 233 248 c/w r thjc thermal resistance junction-case 90 136 c/w table 3. operating conditions symbol parameter value unit i kmin minimum operating current 40 a i kmax maximum operating current 12 ma t oper operating free air temperature range industrial - 40 to + 85 c extended - 40 to + 125
docid018817 rev 4 5/16 lm4041 electrical characteristics 16 3 electrical characteristics t amb = 25 c, unless otherwise specified. note: limits are 100% production tested at 25 c. limits over temperature are guaranteed through correlation and by design. table 4. electrical characteristics symbol parameter test conditions min. typ. max. unit v k reverse breakdown voltage i k = 100 a lm4041a, 0.1% lm4041b, 0.2% lm4041c, 0.5% lm4041d, 1% 1.2238 1.2225 1.219 1.213 1.225 1.2262 1.2275 1.231 1.237 v i kmin minimum operating current t amb = 25 c 25 40 a -40 c < t amb < t max (1) 50 v k / t average temperature coefficient (2) i k = 100 a 36 100 ppm/c v k / i k reverse breakdown voltage change with operating current range i kmin < i k < 1 ma - 40 c < t amb < t max (1) 0.4 1 1.5 mv 1 ma < i k < 12 ma - 40 c < t amb < t max (1) 4 8 10 r ka static impedance i k = 100 a to 1 ma 0.4 1 w k vh long term stability i k = 100 a, t = 1000 hrs 120 ppm e n wide band noise i k = 100 a, 10 hz < f < 10 khz 60 v rms 1. t max = 85 c for lm4041xi (industrial version) and t max = 125 c for lm4041xe (extended version). 2. the average temperature coefficient is defined as: 10 6 x {max( v k ) / [v k@25c x ( t max -t min )]} [ppm/c].
typical performance characteristics lm4041 6/16 docid018817 rev 4 4 typical performance characteristics the following plots are referred to the typical application circuit and, unless otherwise noted, at t a = 25 c. figure 2. v k change vs. temperature figure 3. minimum current for regulation figure 4. output impedance vs. frequency figure 5. minimum current for regulation vs. temperature 1210 1215 1220 1225 1230 1235 1240 -40 -20 0 25 50 85 105 125 v k (mv) temp ( c) am09371v1 am09372v1 reverse current i (a) k v k (v) 1.2 10 30 50 70 0.4 0.8 am09373v1 0.1 1 10 100 1000 100 1000 10000 100000 1000000 frequency (hz) impedance (ohm) cl=1f c = 0 theoric c=1f i = 1ma i = 150a am09374v1 0 10 20 30 40 50 60 -40 -20 0 25 50 85 105 125 i kmi n (a) temp ( c)
docid018817 rev 4 7/16 lm4041 typical performance characteristics 16 figure 6. startup characteristics figure 7. startup measure circuit am09375v1 r i k v k 18 k pulse generator f=100 khz figure 8. wideband noise voltage am09376v1 0 200 400 600 800 1000 1200 10 100 1000 10000 100000 noise [nv/sqr (hz)] frequency (hz)
package mechanical data lm4041 8/16 docid018817 rev 4 5 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. figure 9. sot23-3l dimensions 7110469_b
docid018817 rev 4 9/16 lm4041 package mechanical data 16 table 5. sot23-3l mechanical data dim. mm. min. typ. max. a 0.89 1.12 a1 0.01 0.10 a2 0.88 0.95 1.02 b 0.30 0.50 c 0.08 0.20 d 2.80 2.90 3.04 e 2.10 2.64 e1 1.20 1.30 1.40 e0.95 e1 1.90 l 0.40 0.50 0.60 l1 0.54 k0 8
package mechanical data lm4041 10/16 docid018817 rev 4 figure 10. sot323-5l dimensions 7091413/e
docid018817 rev 4 11/16 lm4041 package mechanical data 16 table 6. sot323-5l mechanical data dim. mm. min. typ. max. a 0.80 1.10 a1 0 0.10 a2 0.80 0.90 1 b 0.15 0.30 c 0.10 0.22 d 1.80 2 2.20 e 1.80 2.10 2.40 e1 1.15 1.25 1.35 e0.65 e1 1.30 l 0.26 0.36 0.46 <0 8
packaging mechanical data lm4041 12/16 docid018817 rev 4 6 packaging mechanical data figure 11. tape and reel sot23-3l and sot323-5l mechanical drawing
docid018817 rev 4 13/16 lm4041 packaging mechanical data 16 table 7. tape and reel sot23-3l mechanical data dim. mm min. typ. max. a 180 c 12.8 13.0 13.2 d20.2 n60 t 14.4 ao 3.13 3.23 3.33 bo 3.07 3.17 3.27 ko 1.27 1.37 1.47 po 3.9 4.0 4.1 p 3.9 4.0 4.1 table 8. sot323-5l mechanical data dim. mm. min. typ. max. a 175 180 185 c 12.8 13 13.2 d 20.2 n 59.5 60 60.5 t 14.4 ao 2.25 bo 2.7 ko 1.2 po 3.9 4 4.1 p 3.8 4 4.2
order codes lm4041 14/16 docid018817 rev 4 7 order codes table 9. order codes order codes precision packages operating temperature range marking lm4041aict-1.2 0.1% sot323-5l industrial - 40 to + 85 c l2 lm4041bict-1.2 0.2% l2 lm4041cict-1.2 0.5% l25 lm4041dict-1.2 1% l26 lm4041ailt-1.2 0.1% sot23-3l industrial - 40 to + 85 c l23 lm4041bilt-1.2 0.2% l24 lm4041cilt-1.2 0.5% l25 lm4041dilt-1.2 1% l26 lm4041aect-1.2 0.1% sot323-5l extended - 40 to + 125 c e2 lm4041bect-1.2 0.2% e2 lm4041cect-1.2 0.5% e25 lm4041dect-1.2 1% e26 lm4041aelt-1.2 0.1% sot23-3l extended - 40 to + 125 c e23 lm4041belt-1.2 0.2% e24 lm4041celt-1.2 0.5% e25 lm4041delt-1.2 1% e26
docid018817 rev 4 15/16 lm4041 revision history 16 8 revision history table 10. document revision history date revision changes 09-may-2011 1 initial release. 05-dec-2011 2 changed maturity code and updated table 9 on page 14 . 25-jul-2012 3 added: marking order codes table 9 on page 14 . 18-feb-2014 4 part number lm4041xx changed to lm4041. updated table 1: absolute maximum ratings , section 1: pin configuration and section 5: package mechanical data . added section 6: packaging mechanical data . minor text changes.
lm4041 16/16 docid018817 rev 4 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 particular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. st products are not designed or authorized for use in: (a) safety critical applications such as life supporting, active implanted devices or systems with product functional safety requirements; (b) aeronautic applications; (c) automotive applications or environments, and/or (d) aerospace applications or environments. where st products are not designed for such use, the purchaser shall use products at purchaser?s sole risk, even if st has been informed in writing of such usage, unless a product is expressly designated by st as being intended for ?automotive, automotive safety or medical? industry domains according to st product design specifications. products formally escc, qml or jan qualified are deemed suitable for use in aerospace by the corresponding governmental agency. resale of st products with provisions different from the statem ents 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 register ed 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. ? 2014 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 - swed en - switzerland - united kingdom - united states of america www.st.com

▲Up To Search▲

Price & Availability of LM4041AELT-12

	To Download LM4041AELT-12 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .