View LDK220_8021268.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

this is information on a product in full production. november 2014 docid026015 rev 2 1/23 LDK220 200 ma low quiescent current and low noise ldo datasheet - production data features ? input voltage from 2.5 to 13.2 v ? very low-dropout voltage (100 mv typ. @ 100 ma load) ? low quiescent current (typ. 55 a, 1 a in off mode) ? low noise ? output voltage tolerance: 2.0% @ 25 c ? 200 ma guaranteed output current ? wide range of output voltages available on request: fixed from 1.2 v to 12 v with 100 mv step and adjustable ? logic-controlled electronic shutdown ? compatible with ceramic capacitor c out = 1 f ? internal current and thermal limit ? available in sot23-5l, sot323-5l and dfn6-1.2x1.3 packages ? temperature range: -40 c to 125 c applications ? battery-powered equipment ? tv ? set-top box ? pc and laptop ? industrial description the LDK220 is a low drop voltage regulator, which provides a maximum output current of 200 ma from an input voltage in the range of 2.5 v to 13.2 v, with a typical dropout voltage of 100 mv. a ceramic capacitor stabilizes it on the output. the very low drop voltage, low quiescent current and low noise make it suitable for battery- powered applications. the enable logic control function puts the LDK220 in shutdown mode allowing a total current consumption lower than 1 a. the device also includes a short-circuit constant current limiting and thermal protection. www.st.com
contents LDK220 2/23 docid026015 rev 2 contents 1 diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.1 sot23-5l package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.2 sot323-5l package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.3 dfn6-1.2x1.3 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 8 ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 9 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
docid026015 rev 2 3/23 LDK220 diagram 23 1 diagram figure 1. block diagram (fixed version) figure 2. block diagram (adjustable version) 9 ,1 *1' 9 287 23$03 %ldv jhqhudwru %dqgjds uhihuhqfh (1 7khupdo surwhfwlrq (qdeoh &xuuhqw olplw $09 9 ,1 *1' 9 287 23$03 %ldv jhqhudwru %dqgjds uhihuhqfh (1 7khupdo surwhfwlrq (qdeoh $'- $09
pin configuration LDK220 4/23 docid026015 rev 2 2 pin configuration figure 3. pin connection (top view) $09 table 1. pin description (sot23-5l, sot323-5l) pin symbol function 1 in input voltage of the ldo 2 gnd common ground 3 en enable pin logic input: low = shutdown, high = active 4 adj/nc adjustable pin on adj version, not connected on fixed version 5 out output voltage of the ldo table 2. pin description (dfn6) pin n symbol function 1 out output voltage of the ldo 2 n/c not connected 3 adj/nc adjustable pin on adj version, not connected in fixed version 4 en enable pin logic input: low = shutdown, high = active 5 gnd common ground 6 in input voltage of the ldo
docid026015 rev 2 5/23 LDK220 typical application 23 3 typical application figure 4. typical application circuits $09 9 ,1 *1' 9 , (1 & ,1 9 2 9 287 & 287 /'. 2)) 21 ?) ?) ?) ?) 9 ,1 *1' 9 , (1 & ,1 $'- 9 2 9 287 & 287 5 5 /'. 2)) 21 )l[hgrxwsxwyrowdjhyhuvlrq $gmxvwdeohrxwsxwyrowdjhyhuvlrq 9 2 9 $'- 55
maximum ratings LDK220 6/23 docid026015 rev 2 4 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. all values are referred to gnd. table 3. absolute maximum ratings symbol parameter value unit v in dc input voltage - 0.3 to 14 v v out dc output voltage - 0.3 to v i + 0.3 v v en enable input voltage - 0.3 to v i + 0.3 v v adj adj pin voltage - 0.3 to 2 v i out output current internally limited ma p d (1) power dissipation 500 mw t stg storage temperature range - 65 to 150 c t op operating junction temperature range - 40 to 125 c 1. maximum power dissipation has to be calculated taking into account the package thermal performance. table 4. thermal data symbol parameter sot23-5l sot323-5l dfn-6 unit r thja thermal resistance junction-ambient 160 246 237 c/w r thjc thermal resistance junction-case 68 134 104 c/w
docid026015 rev 2 7/23 LDK220 electrical characteristics 23 5 electrical characteristics t j = 25 c, v in = v out(nom) + 1 v, c in = c out = 1 f, i out = 1 ma, v en = v in , unless otherwise specified. table 5. LDK220 electrical characteristics for fixed output version symbol parameter test conditions min. typ. max. unit v in operating input voltage 2.5 13.2 v v out v out accuracy i out = 1 ma, t j = 25 c -2.0 2.0 % i out = 1 ma, -40 c electrical characteristics LDK220 8/23 docid026015 rev 2 t j = 25 c, v in = v out(nom) + 1 v, c in = c out = 1 f, i out = 1 ma, v en = v in , unless otherwise specified. table 6. LDK220 electrical characteristics for adjustable version symbol parameter test conditions min. typ. max. unit v in operating input voltage 2.5 13.2 v v adj v adj accuracy i out = 1 ma, t j = 25 c -2% 1.19 +2% mv i out = 1 ma, -40 c docid026015 rev 2 9/23 LDK220 typical characteristics 23 6 typical characteristics (c in = c out = 1 f, v en to v in ) figure 5. output voltage vs. temperature (v out =v adj, i out =1 ma) figure 6. output voltage vs. temperature (v out =v adj, i out =200 ma) $09 2xwsxwyrowdjh>9@ 7hpshudwxuh>?&@ 9 ,1 9, 287 p$ $09 2xwsxwyrowdjh>9@ 7hpshudwxuh>?&@ 9 ,1 9, 287 p$ figure 7. output voltage vs. temperature (v out =3.3 v , i out =1 ma) figure 8. output voltage vs. temperature (v out =3.3 v , i out =200 ma) $09 2xwsxwyrowdjh>9@ 7hpshudwxuh>?&@ 9 ,1 9, 287 p$ $09 2xwsxwyrowdjh>9@ 7hpshudwxuh>?&@ 9 ,1 9, 287 p$ figure 9. short-circuit current vs. temperature figure 10. line regulation vs. temperature (v out =3.3 v) $09 6kruwflufxlwfxuuhqw>$@ 7hpshudwxuh>?&@ 9 ,1 9 $09 /lqhuhjxodwlrq>9@ 7hpshudwxuh>?&@ 9 287 9, 287 p$
typical characteristics LDK220 10/23 docid026015 rev 2 figure 11. line regulation vs. temperature (v out =v adj ) figure 12. load regulation vs. temperature (v out =3.3 v) $09 /lqhuhjxodwlrq>9@ 7hpshudwxuh> ?&@ 9 287 9 $'- , 287 p$ $09 /rdguhjxodwlrq>p$@ 7hpshudwxuh>?&@ 9 287 9, 287 p$wrp$ figure 13. load regulation vs. temperature (v out =v adj ) figure 14. enable thresholds vs. temperature $09 /rdguhjxodwlrq>p$@ 7hpshudwxuh>?&@ , 287 p$wrp$ $09 (qdeohyrowdjh>9@ 7hpshudwxuh>?&@ , 287 p$ figure 15. dropout voltage vs. temperature figure 16. quiescent current vs. temperature (i out =0 ma) $09 'ursrxw9rowdjh>p9@ 7hpshudwxuh>?&@ ,rxw p$ ,rxw p$ ,rxw p$ ,rxw p$ 9 287 9 $09 4xlhvfhqwfxuuhqw>?$@ 7hpshudwxuh>?&@ 9lq 9 9lq 9 9lq 9
docid026015 rev 2 11/23 LDK220 typical characteristics 23 figure 17. quiescent current vs. temperature (i out =200 ma) figure 18. off-state current vs. temperature $09 4xlhvfhqwfxuuhqw>?$@ 7hpshudwxuh>?&@ 9lq 9 9lq 9 9lq 9 $09 4xlhvfhqwfxuuhqw>?$@ 7hpshudwxuh>?&@ figure 19. svr vs. frequency (v out =3.3 v) figure 20. svr vs. frequency (v out =v adj ) $09 9 ,1 9 p99 287 9& 287 ?) 695>g%@ )uhtxhqf\>+]@ $09 9 ,1 9 p99 287 9 $'- & 287 ?) 695>g%@ )uhtxhqf\>+]@ figure 21. output noise spectral density figure 22. stability vs. (c out , esr) $09 9 287 9& ,1 & 287 ?) h1 >x9 6457+]@ )uhtxhqf\>+]@ $09 ^z?<,?o? khd ?r&?~v}u]voo 67$%,/,7<$5($ 9 ,1 iurpwr9, 287 iurpwrp$& ,1 ?)
typical characteristics LDK220 12/23 docid026015 rev 2 figure 23. startup with enable (v out =3.3 v) figure 24. startup with enable (v out =v adj ) $09 9 ,1 99 (1 9wr9, 287 $9 287 97 u 7 i ?v 9 (1 , 287 9 287 $09 9 ,1 99 (1 9wr9 ,1 , 287 $9 287 9 $'- 7 u 7 i ?v 9 (1 , 287 9 287 figure 25. turn-on time (v out =3.3 v) figure 26. turn-on time (v out =v adj ) $09 9 ,1 9 (1 9wr9, 287 $9 287 9 7 u ?v 9 (1 9 287 9 ,1 $09 9 ,1 9 (1 9wr9, 287 $9 287 9 $'- 7 u ?v 9 (1 9 287 9 ,1 figure 27. line transient (v out =3.3 v) figure 28. line transient (v out =v adj ) $09 9 ,1 9 (1 9wr9, 287 p$9 287 9 7 u 7 i ?v 9 ,1 9 287 $09 9 ,1 9 (1 9wr9, 287 p$9 287 9 $'- 7 u 7 i ?v 9 ,1 9 287
docid026015 rev 2 13/23 LDK220 typical characteristics 23 figure 29. load transient (v out =3.3 v) figure 30. load transient (v out =v adj ) $09 9 ,1 9 (1 9, 287 p$wr$9 287 97 u 7 i ?v 9 287 , 287 $09 9 ,1 9 (1 9, 287 p$wr$9 287 9 $'- 7 u 7 i ?v 9 287 , 287
package information LDK220 14/23 docid026015 rev 2 7 package information in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. 7.1 sot23-5l package information figure 31. sot23-5l package outline bn
docid026015 rev 2 15/23 LDK220 package information 23 figure 32. sot23-5l recommended footprint (dimensions in mm) table 7. sot23-5l mechanical data dim. mm min. typ. max. a0.90 1.45 a1 0 0.15 a2 0.90 1.30 b0.30 0.50 c0.09 0.20 d2.95 e1.60 e0.95 h2.80 l0.30 0.60 08 bn
package information LDK220 16/23 docid026015 rev 2 7.2 sot323-5l package information figure 33. sot323-5l package outline bi
docid026015 rev 2 17/23 LDK220 package information 23 table 8. sot323-5l mechanical data dim. mm min. typ. max. a0.80 1.10 a1 0 0.10 a2 0.80 0.90 1 b0.15 0.30 c0.10 0.22 d 1.80 2 2.20 e 1.80 2.10 2.40 e1 1.15 1.25 1.35 e0.65 e1 1.30 l 0.26 0.36 0.46 < 0 8
package information LDK220 18/23 docid026015 rev 2 7.3 dfn6-1.2x1.3 package information figure 34. dfn6-1.2x1.3 drawings b$
docid026015 rev 2 19/23 LDK220 package information 23 table 9. dfn6-1.2x1.3 mechanical data dim. mm min. typ. max. a 0.41 0.45 0.50 a1 0.00 0.02 0.05 d-1.20- e-1.30- e-0.40- b 0.15 0.18 0.25 l 0.475 0.525 0.575 l3 0.375 0.425 0.475 aaa - 0.05 - bbb - 0.10 - ccc - 0.05 - ddd - 0.05 - eee - 0.05 -
package information LDK220 20/23 docid026015 rev 2 figure 35. dfn6-1.2x1.3 recommended footprint (dimensions in mm) b$
docid026015 rev 2 21/23 LDK220 ordering information 23 8 ordering information table 10. order codes sot323-5l sot23-5l dfn6 output voltage (v) LDK220c12r LDK220m12r LDK220pu12r 1.2 LDK220c13r LDK220m13r LDK220pu13r 1.3 LDK220c15r LDK220m15r LDK220pu15r 1.5 LDK220c18r LDK220m18r LDK220pu18r 1.8 LDK220c25r LDK220m25r LDK220pu25r 2.5 LDK220c27r LDK220m27r LDK220pu27r 2.7 LDK220c28r LDK220m28r LDK220pu28r 2.8 LDK220c30r LDK220m30r LDK220pu30r 3 LDK220c31r LDK220m31r LDK220pu31r 3.1 LDK220c32r LDK220m32r LDK220pu32r 3.2 LDK220c33r LDK220m33r LDK220pu33r 3.3 LDK220c36r LDK220m36r LDK220pu36r 3.6 LDK220c40r LDK220m40r LDK220pu40r 4 LDK220c42r LDK220m42r LDK220pu42r 4.2 LDK220c50r LDK220m50r LDK220pu50r 5 LDK220c60r LDK220m60r LDK220pu60r 6 LDK220c85r LDK220m85r LDK220pu85r 8.5 LDK220c90r LDK220m90r LDK220pu90r 9 LDK220c-r LDK220m-r LDK220pu-r adj
revision history LDK220 22/23 docid026015 rev 2 9 revision history table 11. document revision history date revision changes 19-mar-2014 1 initial release. 24-nov-2014 2 updated the features in cover page, table 5: LDK220 electrical characteristics for fixed output version , table 6: LDK220 electrical characteristics for adjustable version , table 7: sot23-5l mechanical data , and section 6: typical characteristics . minor text changes.
docid026015 rev 2 23/23 LDK220 23 important notice ? please read carefully stmicroelectronics nv and its subsidiaries (?st?) reserve the right to make changes, corrections, enhancements, modifications, and improvements to st products and/or to this document at any time without notice. purchasers should obtain the latest relevant in formation on st products before placing orders. st products are sold pursuant to st?s terms and conditions of sale in place at the time of o rder acknowledgement. purchasers are solely responsible for the choice, selection, and use of st products and st assumes no liability for application assistance or the design of purchasers? products. no license, express or implied, to any intellectual property right is granted by st herein. resale of st products with provisions different from the information set forth herein shall void any warranty granted by st for such product. st and the st logo are trademarks of st. all other product or service names are the property of their respective owners. information in this document supersedes and replaces information previously supplied in any prior versions of this document. ? 2014 stmicroelectronics ? all rights reserved

▲Up To Search▲

Price & Availability of LDK220

	To Download LDK220 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .