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this is information on a product in full production. january 2014 docid15527 rev 6 1/21 ld39115j 150 ma low quiescent current low noise voltage regulator datasheet - production data features ? input voltage from 1.5 to 5.5 v ? ultra low dropout voltage (80 mv typ. at 100 ma load) ? very low quiescent current (20 a typ. at no load, 35 a typ. at 150 ma load, 1 a max in off mode) ? very low noise (33 v rms from 1 khz to 100 khz at v out = 1.8 v) ? output voltage tolerance: 2.0 % @ 25 c ? 150 ma guaranteed output current ? wide range of output voltages available on request: 0.8 v to 4.5 v with 100 mv step ? logic-controlled electronic shutdown ? compatible with ceramic capacitor c out = 1 f ? internal current and thermal limit ? flip-chip 4 bumps 0.8 x 0.8 mm. pitch 0.4 mm ? temperature range: -40 c to 125 c applications ? mobile phones ? personal digital assistants (pdas) ? cordless phones and similar battery-powered systems description the ld39115j provides 150 ma maximum current from an input voltage ranging from 1.5 v to 5.5 v with a typical dropout voltage of 80 mv. it is stabilized with a ceramic capacitor. the ultra low drop voltage, low quiescent current and low noise features make it suitable for low power battery-powered applications. power supply rejection is 65 db at low frequencies and starts to roll off at 10 khz. an enable logic control function puts the ld39115j 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. flip-chip 4 table 1. device summary order codes output voltages LD39115J10R 1 v ld39115j12r 1.2 v ld39115j14r 1.4 v ld39115j15r 1.5 v ld39115j18r 1.8 v ld39115j25r 2.5 v ld39115j28r 2.8 v ld39115j30r 3.0 v ld39115j33r 3.3 v www.st.com
contents ld39115j 2/21 docid15527 rev 6 contents 1 diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 8 packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 9 different output voltage versions of the ld39115j available on request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 10 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
docid15527 rev 6 3/21 ld39115j diagram 21 1 diagram figure 1. block diagram trimming 1.22 v bandgap enable en gnd out in protection thermal r2 r1 trimming 1.22 v bandgap enable en gnd out in protection thermal r2 r1
pin configuration ld39115j 4/21 docid15527 rev 6 2 pin configuration figure 2. pin connection (top view) table 2. pin description pin n symbol function a2 en enable pin logic input: low = shutdown, high = active a1 gnd common ground b2 in input voltage of the ldo b1 out output voltage
docid15527 rev 6 5/21 ld39115j typical application 21 3 typical application figure 3. typical application circuit 1 f in en v en v in out load gnd 1 f v out 1 f in en v en v in out load gnd 1 f v out
maximum ratings ld39115j 6/21 docid15527 rev 6 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 6 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 i out output current internally limited ma p d power dissipation internally limited mw t stg storage temperature range - 65 to 150 c t op operating junction temperature range - 40 to 125 c table 4. thermal data symbol parameter value unit r thja thermal resistance junction-ambient 180 c/w
docid15527 rev 6 7/21 ld39115j electrical characteristics 21 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 for ld39115j (1) symbol parameter test conditions min. typ. max. unit v in operating input voltage 1.5 5.5 v v uvlo turn-on threshold 1.45 1.48 v turn-off threshold 1.30 1.35 mv v out v out accuracy v out >1.5 v, i out = 1 ma, t j = 25 c -2.0 2.0 % v out >1.5 v, i out = 1 ma, -40 c1.5 v -40 c electrical characteristics ld39115j 8/21 docid15527 rev 6 i sc short circuit current r l = 0 200 ma v en enable input logic low v in = 1.5 v to5.5 v, -40 c docid15527 rev 6 9/21 ld39115j typical performance characteristics 21 6 typical performance characteristics c in = c out = 1 f, v en to v in . figure 4. output voltage vs. temperature (v out = 1.2 v) figure 5. output voltage vs. temperature (v out = 2.8 v) figure 6. line regulation vs. temperature figure 7. load regulation vs. temperature figure 8. short-circuit current vs. drop voltage figure 9. dropout voltage vs. temperature v in = 2.2 v, i out = 1 ma v out = 1.2 v 1.1 1.12 1.14 1.16 1.18 1.2 1.22 1.24 1.26 1.28 1.3 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] v out [v] v in = 2.2 v, i out = 1 ma v out = 1.2 v 1.1 1.12 1.14 1.16 1.18 1.2 1.22 1.24 1.26 1.28 1.3 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] v out [v] v in = 3.8 v, i out = 1 ma v out = 2.8 v 2.6 2.65 2.7 2.75 2.8 2.85 2.9 2.95 3 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] v out [v] v in = 3.8 v, i out = 1 ma v out = 2.8 v 2.6 2.65 2.7 2.75 2.8 2.85 2.9 2.95 3 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] v out [v] v in = from 2.2 v to 5.5 v, i out = 1 ma v out =1.2v 0 0.01 0.02 0.03 0.04 0.05 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] line [%/v] v in = from 2.2 v to 5.5 v, i out = 1 ma v out =1.2v 0 0.01 0.02 0.03 0.04 0.05 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] line [%/v] v in = 2.2 v, i out = from 1 to 150 ma v out =1.2 v 0 0.0005 0.001 0.0015 0.002 0.0025 0.003 0.0035 0.004 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] load [%/ma] v in = 2.2 v, i out = from 1 to 150 ma v out =1.2 v 0 0.0005 0.001 0.0015 0.002 0.0025 0.003 0.0035 0.004 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] load [%/ma] c in = 1 f c out = 1 f(+ 10 f electrolitycs) 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0123456 drop [v] i sc [a] 125 85 55 25 0 -25 -40 c in = 1 f c out = 1 f(+ 10 f electrolitycs) 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0123456 drop [v] i sc [a] 125 85 55 25 0 -25 -40 v out = 2.8 v i out = 0.1 a 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] vdropout [v] v out = 2.8 v i out = 0.1 a 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] vdropout [v]
typical performance characteristics ld39115j 10/21 docid15527 rev 6 figure 10. dropout voltage vs. output current figure 11. output voltage vs. input voltage (v out = 1.3 v) figure 12. output voltage vs. input voltage (v out = 2.8 v) figure 13. enable threshold vs. temperature figure 14. quiescent current vs. temperature (v out = 1.2 v, i out = 0 ma) figure 15. quiescent current vs. temperature (v out = 1.2 v, i out = 0.15 a) v out = 2.8 v 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0 0.05 0.1 0.15 0.2 0.25 i out [a] vdropout [v] v out = 2.8 v 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0 0.05 0.1 0.15 0.2 0.25 i out [a] vdropout [v] v out = 1.3 v i out = 0.15 a 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0123456 v in [v] v out [v] 125 85 55 25 0 -25 -40 v out = 1.3 v i out = 0.15 a 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0123456 v in [v] v out [v] 125 85 55 25 0 -25 -40 v out = 2.8 v i out = 0.15 a 0 0.5 1 1.5 2 2.5 3 0123456 v in [v] v out [v] 125 85 55 25 0 -25 -40 v out = 2.8 v i out = 0.15 a 0 0.5 1 1.5 2 2.5 3 0123456 v in [v] v out [v] 125 85 55 25 0 -25 -40 v in = 2.2 v, i out = 1 ma 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] v en [v] v in = 2.2 v, i out = 1 ma 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] v en [v] v out = 1.2 v v in = 2.2 v, no load 0 5 10 15 20 25 30 35 40 45 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] i q [a] v out = 1.2 v v in = 2.2 v, no load 0 5 10 15 20 25 30 35 40 45 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] i q [a] v out = 1.2 v v in = 2.2 v, i out = 0.15 a 0 10 20 30 40 50 60 70 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] i q [a] v out = 1.2 v v in = 2.2 v, i out = 0.15 a 0 10 20 30 40 50 60 70 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] i q [a]
docid15527 rev 6 11/21 ld39115j typical performance characteristics 21 figure 16. quiescent current vs. temperature (v out = 2.8 v, i out = 0.15 a) figure 17. quiescent current vs. input voltage figure 18. quiescent current vs. output current figure 19. supply voltage rejection vs. temperature (v out = 1.2 v) v out = 2.8 v v in = 3.8 v, i out = 0.15 a 0 10 20 30 40 50 60 70 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] i q [a] v out = 2.8 v v in = 3.8 v, i out = 0.15 a 0 10 20 30 40 50 60 70 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] i q [a] v out = 1.3 v i out = 1 ma 0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25 00.511.522.533.544.555.56 v in [v] i q [a] v out = 1.3 v i out = 1 ma 0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25 00.511.522.533.544.555.56 v in [v] i q [a] v out = 2.8 v v in = 2.3 v 0 5 10 15 20 25 30 35 40 45 50 0 0.025 0.05 0.075 0.1 0.125 0.15 0.175 0.2 0.225 i out [a] i q [a] v out = 2.8 v v in = 2.3 v 0 5 10 15 20 25 30 35 40 45 50 0 0.025 0.05 0.075 0.1 0.125 0.15 0.175 0.2 0.225 i out [a] i q [a] v in from 2.1 v to 2.3 v i out = 10 ma, freq. = 1 khz v out = 1.2 v 40 50 60 70 80 90 100 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] v in from 2.1 v to 2.3 v i out = 10 ma, freq. = 1 khz v out = 1.2 v 40 50 60 70 80 90 100 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db]
typical performance characteristics ld39115j 12/21 docid15527 rev 6 figure 20. supply voltage rejection vs. temperature (v out = 1.3 v) figure 21. supply voltage rejection vs. temperature (freq. = 1 khz) v in from 2.2 v to 2.4 v, i out = 10 ma, freq. = 1 khz v out = 1.3 v 40 50 60 70 80 90 100 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] v in from 2.2 v to 2.4 v, i out = 10 ma, freq. = 1 khz v out = 1.3 v 40 50 60 70 80 90 100 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] v in from 3.7 v to 3.9 v, i out = 10 ma, freq. = 1 khz v out = 2.8 v 40 50 60 70 80 90 100 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] v in from 3.7 v to 3.9 v, i out = 10 ma, freq. = 1 khz v out = 2.8 v 40 50 60 70 80 90 100 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] figure 22. supply voltage rejection vs. temperature (freq. = 10 khz) figure 23. supply voltage rejection vs. temperature (v out = 2.8 v) figure 24. supply voltage rejection vs. frequency (v out = 1.2 v) figure 25. supply voltage rejection vs. frequency (v out = 1.3 v) v in from 1.7 v to 1.9 v, i out = 10 ma, freq. = 10 khz v out = 1.3 v 40 50 60 70 80 90 100 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] v in from 1.7 v to 1.9 v, i out = 10 ma, freq. = 10 khz v out = 1.3 v 40 50 60 70 80 90 100 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] v in from 3.2 v to 3.4 v, i out = 10 ma, freq. = 10 khz v out = 2.8 v 40 50 60 70 80 90 100 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] v in from 3.2 v to 3.4 v, i out = 10 ma, freq. = 10 khz v out = 2.8 v 40 50 60 70 80 90 100 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] v in from 2.1 v to 2.3 v, i out = 10 ma v out = 1.2 v 0 10 20 30 40 50 60 70 80 90 100 0 102030405060708090100110 frequency [khz] svr [db] v in from 2.1 v to 2.3 v, i out = 10 ma v out = 1.2 v 0 10 20 30 40 50 60 70 80 90 100 0 102030405060708090100110 frequency [khz] svr [db] v in from 1.7 v to 1.9 v, i out = 10 ma v out = 1.3 v 0 10 20 30 40 50 60 70 80 90 100 0 102030405060708090100110 frequency [khz] svr [db] v in from 1.7 v to 1.9 v, i out = 10 ma v out = 1.3 v 0 10 20 30 40 50 60 70 80 90 100 0 102030405060708090100110 frequency [khz] svr [db]
docid15527 rev 6 13/21 ld39115j typical performance characteristics 21 figure 26. supply voltage rejection vs. frequency (v out = 2.8 v) figure 27. supply voltage rejection vs. output current v in from 3.2 v to 3.4 v, i out = 10 ma v out = 2.8 v 0 10 20 30 40 50 60 70 80 90 100 0 102030405060708090100110120 frequency [khz] svr [db] v in from 3.2 v to 3.4 v, i out = 10 ma v out = 2.8 v 0 10 20 30 40 50 60 70 80 90 100 0 102030405060708090100110120 frequency [khz] svr [db] v in from 1.7 v to 1.9 v, f = 10 khz v out = 1.3 v 0 10 20 30 40 50 60 70 80 90 100 0 0.025 0.05 0.075 0.1 0.125 0.15 0.175 0.2 0.225 0.25 i out [a] svr [db] v in from 1.7 v to 1.9 v, f = 10 khz v out = 1.3 v 0 10 20 30 40 50 60 70 80 90 100 0 0.025 0.05 0.075 0.1 0.125 0.15 0.175 0.2 0.225 0.25 i out [a] svr [db] figure 28. ld39115j noise figure 29. line regulation transient figure 30. start up transient figure 31. enable transient (v out = 1.2 v) v in from 0 to 2.3 v, i out = 1 ma c out = 1 f no c in , t rise = 60 s v in = 2.3 v, v en from 0 to 2 v, i out = 1 ma, trise = 5 s 0 0.2 0.4 0.6 0.8 1 0 20000 40000 60000 80000 100000 freq [hz] noise [v/sqrt(hz)] v out = 1.3 v, v in = 2.3 v, t a = 25 c 0 0.2 0.4 0.6 0.8 1 0 20000 40000 60000 80000 100000 freq [hz] noise [v/sqrt(hz)] v out = 1.3 v, v in = 2.3 v, t a = 25 c v in v out v in v out v in from 2.2 v to 2.7 v, i out = 1 ma, c out = 1 f, no c in t rise/fall = 5 s v in v out v in v out v en v out v out = 1.2 v v en v out v out = 1.2 v
typical performance characteristics ld39115j 14/21 docid15527 rev 6 figure 32. enable transient (v out = 2.8 v) figure 33. load transient (v out = 1.2 v) v in = 3.8 v, v en from 0 to 2 v, i out = 1 ma, t rise = 5 s v in = 2. 2 v, i out = from 1 to 150 ma, t rise/fall = 5 s v en v out v out = 2.8 v v en v out v out = 2.8 v i out v out v out = 1.2 v i out v out v out = 1.2 v figure 34. load transient (v out = 2.8 v) figure 35. esr required for stability with ceramics capacitors v in = 3.8 v, i out = from 1 to 150 ma, t rise/fall = 5 s i out v out v out = 2.8 v i out v out v out = 2.8 v 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 12345678910111213141516171819202122 c out [f] (nominal value) esr @ 100 khz[ohm] stable zone unstable zone i out = from 1 ma to 150 ma, c in = 1f (ceramic)
docid15527 rev 6 15/21 ld39115j package mechanical data 21 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 36. flip-chip 4 drawings
package mechanical data ld39115j 16/21 docid15527 rev 6 figure 37. flip-chip 4 footprint table 6. flip-chip 4 mechanical data dim. mm min. typ. max. a 0.52 0.56 0.60 a1 0.17 0.20 0.23 a2 0.35 0.36 0.37 b 0.23 0.25 0.29 d 0.758 0.788 0.818 d1 0.4 e 0.758 0.788 0.818 e1 0.4 sd 0.18 0.2 0.22 se 0.18 0.2 0.22 f0.199 ccc 0.075
docid15527 rev 6 17/21 ld39115j packaging mechanical data 21 8 packaging mechanical data figure 38. flip-chip 4 tape and reel drawing
packaging mechanical data ld39115j 18/21 docid15527 rev 6 table 7. flip-chip 4 tape and reel mechanical data dim. mm min. typ. max. a 178 c12.8 13.2 d20.2 n596061 t 8.4 ao 0.82 0.87 0.92 bo 0.82 0.87 0.92 ko 0.64 0.69 0.74 po 3.9 4.0 4.1 p 3.9 4.0 4.1
docid15527 rev 6 19/21 ld39115j different output voltage versions of the ld39115j available on request 21 9 different output voltage versions of the ld39115j available on request table 8. options available on request order codes output voltages ld39115j08r 0.8 v LD39115J10R 1.0 v
revision history ld39115j 20/21 docid15527 rev 6 10 revision history table 9. document revision history date revision changes 26-mar-2009 1 initial release. 12-jun-2009 2 modified: table 1 on page 1 and table 8 on page 19 . 05-aug-2009 3 modified: tape and reel mechanical data on page 18 . 17-may-2011 4 modified: table 1 on page 1 and table 8 on page 19 . 20-dec-2011 5 added: new order code ld39115j25r table 1 on page 1 . 16-jan-2014 6 part number ld39115jxx changed to ld39115j. updated the description in cover page, section 7: package mechanical data . added section 8: packaging mechanical data . minor text changes.
docid15527 rev 6 21/21 ld39115j 21 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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