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this is information on a product in full production. february 2014 docid17285 rev 4 1/16 stlq015 150 ma, ultra low quiescent current linear voltage regulator datasheet - production data features ? input voltage from 1.5 to 5.5 v ? very low quiescent current: ? 1.0 a (typ.) at no load ? 1.4 a (typ.) at 150 ma load ? 1 na (typ.) in off mode ? 200 na max. in off mode at 125 c ? output voltage tolerance: 2% at 25 c ? 150 ma guaranteed output current ? wide range of output voltages: 0.8 v to 3.3 v in 100 mv steps ? logic-controlled electronic shutdown ? compatible with ceramic capacitor (c out =1f) ? internal current and thermal limit ? package: sot666-6l ? temperature range: from -40 c to 125 c description the stlq015 provides 150 ma of maximum current with an input voltage range from 1.5 v to 5.5 v and a typical dropout voltage of 112 mv. the key feature of this device is its quiescent current, which is just 1.4 a at maximum output current. the device is stable with a ceramic capacitor on the output. it offers very low quiescent current and extends battery-life of applications requiring very long standby time. the enable logic control function puts the stlq015 in shutdown mode, reducing total current consumption to 1 na. the device also includes short-circuit constant-current limiting and thermal protection. typical applications are: portable and battery-powered systems, electronic sensors, and microcontroller power supply. sot666 table 1. device summary order codes output voltages STLQ015XG12R 1.2 v stlq015xg15r 1.5 v stlq015xg18r 1.8 v stlq015xg25r 2.5 v stlq015xg28r 2.8 v stlq015xg30r 3.0 v stlq015xg31r 3.1 v stlq015xg33r 3.3 v www.st.com
contents stlq015 2/16 docid17285 rev 4 contents 1 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 pin configuration and description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 8 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
docid17285 rev 4 3/16 stlq015 list of figures 16 list of figures figure 1. device block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 figure 2. pin configuration (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 3. typical application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 4. output voltage vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 5. output voltage vs. input voltage (v out = 0.8 v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 6. output voltage vs. input voltage (v out = 3.3 v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 7. dropout voltage vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 8. dropout voltage vs. output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 9. quiescent current vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 10. supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 11. supply voltage rejection vs. i out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 12. quiescent current vs. input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 13. quiescent current vs. output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 14. output noise voltage vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 15. c out stability region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 16. start-up transient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 17. enable transient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 18. sot666 drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 figure 19. sot666 footprint recommended data (dimensions in mm) . . . . . . . . . . . . . . . . . . . . . . . . 14
block diagram stlq015 4/16 docid17285 rev 4 1 block diagram figure 1. device block diagram enable thermal prot. over current en out in gnd r1 r2 vreference on off enable thermal prot. over current en out in gnd r1 r2 vreference on off
docid17285 rev 4 5/16 stlq015 pin configuration and description 16 2 pin configuration and description figure 2. pin configuration (top view) table 2. pin description pin symbol functions 1en enable input set v en = high to turn on the device set v en = low to turn off the device 2 gnd ground 3 in input voltage 4 out output voltage 5 nc not connected 6 nc not connected
typical application stlq015 6/16 docid17285 rev 4 3 typical application figure 3. typical application circuit
docid17285 rev 4 7/16 stlq015 maximum ratings 16 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 7 v v out dc output voltage - 0.3 to v in + 0.3 v v en enable input voltage - 0.3 to v in + 0.3 v i out output current internally limited ma esd human body model 3kv machine model 300 v p d power dissipation internally limited mw t stg storage temperature range -65 to 150 c t op max. junction temperature 150 c table 4. thermal data symbol parameter sot666 unit r thja thermal resistance junction-ambient 132 c/w r thjc thermal resistance junction-case 56 c/w
electrical characteristics stlq015 8/16 docid17285 rev 4 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. electrical characteristics symbol parameter test conditions min. typ. max. unit v in operating input voltage i out = 0 1.5 5.5 v -40 c < t j < 125 c, i out = 150 ma 1.55 5.5 v out v out accuracy i out = 1 ma -2 2 % i out = 1 ma, v out < 1 v -20 +20 mv i out = 1 ma, -40 c < t j < 125 c -3 3 % v out-line static line regulation v out +1 v v in 5.5 v, i out = 1 ma 0.01 %/v v out-load static load regulation i out = 1 ma to 150 ma 0.002 %/ma v drop dropout voltage (1) i out = 150 ma 112 mv i out = 150 ma, -40 c < t j < 125 c 300 e n output noise voltage 10 khz to 100 khz, i out = 10 ma, v out = 0.8 v 75 v rms svr supply voltage rejection v out = 0.8 v v in = v outnom + 1 v +/-v ripple v ripple = 0.1 v, frequency = 1 khz i out = 10 ma 40 db v in = v outnom + 1 v +/-v ripple v ripple = 0.1 v, frequency =10 khz i out = 1 ma 30 v in = v outnom + 1 v +/-v ripple v ripple = 0.1 v, frequency =100 khz i out = 1 ma 15 i q quiescent current i out = 0 1.0 1.7 a i out = 0 to 150 ma, -40 c < t j < 125 c 1.4 2.4 i off shutdown current (2) v in input current in off mode: v en = gnd, -40 c < t j < 125 c 1200na i sc short-circuit current r l = 0 250 350 ma v en enable input logic low v in = 1.5 v to 5.5 v 0.4 v enable input logic high v in = 1.5 v to 5.5 v 0.7 v i en enable pin input current v en = 5.5 v 1 200 na t on turn-on time (3) v out = 0.8 v, i out = 150 ma 160 s
docid17285 rev 4 9/16 stlq015 electrical characteristics 16 t shdn thermal shutdown 170 c hysteresis 15 c out output capacitor capacitance (see typical performance characteristics for stability) 0.47 10 f esr 0.056 6 1. dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mv below its nominal value. this specification does not apply to output voltages below 1.5 v. 2. during shutdown and at no load, p-channel leakage current flow ing through the internal resistor divider causes the v out rise. 3. turn-on time is the time measured between the enable input just exceeding v en high value and the output voltage just reaching 95% of its nominal value. table 5. electrical characteristics (continued) symbol parameter test conditions min. typ. max. unit
typical performance characteristics stlq015 10/16 docid17285 rev 4 6 typical performance characteristics figure 4. output voltage vs. temperature figure 5. output voltage vs. input voltage (v out = 0.8 v) figure 6. output voltage vs. input voltage (v out = 3.3 v) figure 7. dropout voltage vs. temperature -1.00% -0.80% -0.60% -0.40% -0.20% 0.00% 0.20% 0.40% 0.60% 0.80% 1.00% -40 -20 0 20 40 60 80 100 120 140 temperature [c] v out variation [%] i out = 1 ma -1.00% -0.80% -0.60% -0.40% -0.20% 0.00% 0.20% 0.40% 0.60% 0.80% 1.00% -40 -20 0 20 40 60 80 100 120 140 temperature [c] v out variation [%] i out = 1 ma 0.0 0.2 0.4 0.6 0.8 1.0 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 v in [v] v out [v] t= -40c t= +25c t= 125c i out = 150 ma, v out = 0.8 v 0.0 0.2 0.4 0.6 0.8 1.0 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 v in [v] v out [v] t= -40c t= +25c t= 125c i out = 150 ma, v out = 0.8 v 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 v in [v] v out [v] t= -40c t= +25c t= 125c i out = 150 ma, v out = 3.3 v 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 v in [v] v out [v] t= -40c t= +25c t= 125c i out = 150 ma, v out = 3.3 v 0.05 0.10 0.15 0.20 0.25 0.30 -40 -20 0 20 40 60 80 100 120 140 temperature [c] vdrop [v] v o = 1.5 v v o = 3.3 v i out = 150 ma 0.05 0.10 0.15 0.20 0.25 0.30 -40 -20 0 20 40 60 80 100 120 140 temperature [c] vdrop [v] v o = 1.5 v v o = 3.3 v i out = 150 ma
docid17285 rev 4 11/16 stlq015 typical performance characteristics 16 figure 8. dropout voltage vs. output current figure 9. quiescent current vs. temperature 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0 0.05 0.1 0.15 0.2 i out [a] vdrop [v] v o = 1.5 v v o = 3.3 v 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0 0.05 0.1 0.15 0.2 i out [a] vdrop [v] v o = 1.5 v v o = 3.3 v 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 -40 -20 0 20 40 60 80 100 120 140 temperature [c] iq [a] v in = 1.5 v, v o = 0.8 v v in = 4.3 v, v o = 3.3 v i o = 0 ma 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 -40 -20 0 20 40 60 80 100 120 140 temperature [c] iq [a] v in = 1.5 v, v o = 0.8 v v in = 4.3 v, v o = 3.3 v i o = 0 ma figure 10. supply voltage rejection vs. frequency figure 11. supply voltage rejection vs. i out figure 12. quiescent current vs. input voltage fig ure 13. quiescent current vs. output current 10 20 30 40 50 60 70 100 1000 10000 100000 f [hz] supply voltage rejection [db] vout=0.8v vout=3.3v 0 10 20 30 40 50 0 20 40 60 80 100 120 140 160 i out [ma] supply voltage rejection [db] v in = 1.5, v o = 0.8 v v in = 4.3 v, v o = 3.3 v f = 1 khz 0 10 20 30 40 50 0 20 40 60 80 100 120 140 160 i out [ma] supply voltage rejection [db] v in = 1.5, v o = 0.8 v v in = 4.3 v, v o = 3.3 v f = 1 khz 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 v in [v] iq [a] v o = 0.8 v v o = 3.3 v i o = 1 ma 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 v in [v] iq [a] v o = 0.8 v v o = 3.3 v i o = 1 ma 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 0 20 40 60 80 100 120 140 160 i out [ma] iq [a] v in = 4.3 v, v o = 3.3 v v in = 1.5 v, v o = 0.8 v t j = 25 c 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 0 20 40 60 80 100 120 140 160 i out [ma] iq [a] v in = 4.3 v, v o = 3.3 v v in = 1.5 v, v o = 0.8 v t j = 25 c
typical performance characteristics stlq015 12/16 docid17285 rev 4 figure 14. output noise voltage vs. frequency figure 15. c out stability region 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 10 100 1000 10000 100000 f [hz] en [uv/sqrt(hz)] 3v3 iload= 10ma 0v8 iload= 10ma 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 c out [f] esr at 100 khz [ohm] esr max esr min 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 c out [f] esr at 100 khz [ohm] esr max esr min figure 16. start-up transient figure 17. enable transient v in from 0 to 1.5 v, v en tied to v in , no load c out = 1 f v in = 1.5 v; v en from 0 to 2 v, no load, t = 25 c v out v in v out v in v out v en v out v en
docid17285 rev 4 13/16 stlq015 package mechanical data 16 7 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 18. sot666 drawings 7366479 rev h
package mechanical data stlq015 14/16 docid17285 rev 4 figure 19. sot666 footprint recommended data (dimensions in mm) table 6. sot666 mechanical data dim. mm min. typ. max. a 0.45 0.60 a3 0.08 0.18 b 0.17 0.34 b1 0.19 0.27 0.34 d 1.50 1.70 e 1.50 1.70 e1 1.10 1.30 e0.50 l1 0.19 l2 0.10 0.30 l3 0.10
docid17285 rev 4 15/16 stlq015 revision history 16 8 revision history table 7. document revision history date revision changes 23-mar-2010 1 initial release. 20-jan-2011 2 modified: table 6 on page 14 and figure 18 . added: figure 19 . 11-sep-2012 3 added: new order codes STLQ015XG12R, stlq015xg15r and stlq015xg18r to the device summary table. 17-feb-2014 4 changed the part number stlq015xx to stlq015. changed the title in cover page. updated description and table 1: device summary in cover page. changed typ. value of i q parameter in table 5: electrical characteristics . minor text changes.
stlq015 16/16 docid17285 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

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