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this is information on a product in full production. february 2014 docid18103 rev 5 1/18 ld39030sj 300 ma low quiescent current soft-start, low noise voltage regulator datasheet - production data features ? input voltage from 1.5 to 5.5 v ? ultra low dropout voltage (200 mv typ. at 300 ma load) ? very low quiescent current (20 a typ. at no load, 40 a typ. at 300 ma load, 1 a max. in off mode) ? very low noise (30 v rms from 1 khz to 100 khz at v out = 1.8 v) ? output voltage tolerance: 2.0 % @ 25 c ? 300 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 ? internal soft-start (typ. 100 s) ? temperature range: - 40 c to 125 c applications ? mobile phones ? personal digital assistants (pdas) ? cordless phones and similar battery-powered systems ? digital still cameras. description the ld39030sj is a low noise voltage regulator that provides 300 ma maximum current from an input voltage in the 1.5 v to 5.5 v range, with a typical dropout voltage of 200 mv. it is stabilized with a ceramic capacitor on the output. 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 typically 62 db at low frequencies and starts to roll off at 10 khz. an enable logic control function puts the ld39030sj 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 ld39030sj10r 1 v ld39030sj12r 1.2 v ld39030sj126r 1.26 v ld39030sj28r 2.8 v ld39030sj285r 2.85 v LD39030SJ33R 3.3 v www.st.com
contents ld39030sj 2/18 docid18103 rev 5 contents 1 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 soft-start function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 8 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 9 packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 10 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
docid18103 rev 5 3/18 ld39030sj block diagram 18 1 block 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 ld39030sj 4/18 docid18103 rev 5 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
docid18103 rev 5 5/18 ld39030sj typical application 18 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 ld39030sj 6/18 docid18103 rev 5 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 in + 0.3 v v en enable input voltage - 0.3 to v in + 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
docid18103 rev 5 7/18 ld39030sj electrical characteristics 18 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 (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 ld39030sj 8/18 docid18103 rev 5 v en enable input logic low v in =1.5 v to 5.5 v, -40 c docid18103 rev 5 9/18 ld39030sj soft-start function 18 6 soft-start function the ld39030s has an internal soft-start circuit. by increasing the startup time up to 100 s, without the need of any external soft-start capacitor, this feature is able to reduce the regulator inrush current to 1/3 of the original value. v in = 1.8 v, v en = 1.8 v, c in = 1 f, c out = 1 f. figure 4. soft-start function v in i in v out v en v in i in v out v en
typical performance characteristics ld39030sj 10/18 docid18103 rev 5 7 typical performance characteristics c in = c out = 1 f, v en to v in . figure 5. output voltage vs. temperature figure 6. output voltage vs. input voltage figure 7. line regulation vs. temperature figure 8. load regulation vs. temperature figure 9. short-circuit current vs. drop voltage figure 10. quiescent current vs. input voltage v in = v en = 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 = v en = 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] c in = c out = 1 f; v en to v in i out = 1 ma v out = 1.2 v 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 v in [v] v out [v] 125 85 55 25 0 -25 -40 c in = c out = 1 f; v en to v in i out = 1 ma v out = 1.2 v 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 v in [v] v out [v] 125 85 55 25 0 -25 -40 v in = from 2.3 v to 5.5 v; i out = 1 ma v out = 1.2 v -0.01 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 2.3 v to 5.5 v; i out = 1 ma v out = 1.2 v -0.01 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 300 ma v out = 1.2 v -0.006 -0.004 -0.002 0 0.002 0.004 0.006 -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 300 ma v out = 1.2 v -0.006 -0.004 -0.002 0 0.002 0.004 0.006 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] load [%/ma] 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 00.511.522.533.544.555.56 drop [v] i sc [a] c in = 1 f (+100 f electrolytic) c out = 1 f (+10 f electrolytic) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 00.511.522.533.544.555.56 drop [v] i sc [a] c in = 1 f (+100 f electrolytic) c out = 1 f (+10 f electrolytic) v out = 1.2 v i out = 1 ma 0 5 10 15 20 25 30 35 0123456 v in [v] i q [ a] v out = 1.2 v i out = 1 ma 0 5 10 15 20 25 30 35 0123456 v in [v] i q [ a]
docid18103 rev 5 11/18 ld39030sj typical performance characteristics 18 figure 11. enable threshold vs. temperature figure 12. quiescent current vs. temperature figure 13. supply voltage rejection vs. temperature (freq. = 1 khz) figure 14. supply voltage rejection vs. frequency (v in = 1.6 v to 1.8 v) figure 15. supply voltage rejection vs. temperature (freq. = 10 khz) figure 16. supply voltage rejection vs. frequency (v in = 2.1 v to 2.3 v) v out = 1.2 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; 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; i out = 0.3 a 0 10 20 30 40 50 60 70 80 90 -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 = 0.3 a 0 10 20 30 40 50 60 70 80 90 -75 -50 -25 0 25 50 75 100 125 150 175 temperature [c] i q [ a] v in from 2.1 v to 2.3 v, freq. = 1 khz v out = 1.2 v i out = 10 ma 50 55 60 65 70 75 80 -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, freq. = 1 khz v out = 1.2 v i out = 10 ma 50 55 60 65 70 75 80 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] v in from 1.6 v to 1.8 v, i out = 10 ma v out = 1.2 v 0 10 20 30 40 50 60 70 80 90 100 0 20406080100120 frequency [khz] svr [db] v in from 1.6 v to 1.8 v, i out = 10 ma v out = 1.2 v 0 10 20 30 40 50 60 70 80 90 100 0 20406080100120 frequency [khz] svr [db] i out = 10 ma v in from 1.6 v to 1.8 v, freq. = 10 khz v out = 1.2 v 50 55 60 65 70 75 80 -75 -50 -25 0 25 50 75 100 125 150 175 t [c] svr [db] i out = 10 ma v in from 1.6 v to 1.8 v, freq. = 10 khz v out = 1.2 v 50 55 60 65 70 75 80 -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 20 40 60 80 100 120 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 20 40 60 80 100 120 frequency [khz] svr [db]
typical performance characteristics ld39030sj 12/18 docid18103 rev 5 figure 17. line transient figure 18. load transient v in from 2.2 v to 2.7 v, v en to v in , i out = 1 ma, c out = 1 f, n o c in , t rise/fall = 5 s v in = 2.3 v, v en to v in , i out = from 1 to 300 ma, c in = c out = 1 f, t rise/fall = 5 s figure 19. enable transient figure 20. startup transient v in = 2.2 v, v en from 0 to 2 v, i out = 1 ma, c in = c out = 1 f, t rise = 8 s v in from 0 to 5.5 v, v en to v in , i out = 1 ma, c out = 1 f, no c in , t rise = 60 s figure 21. esr required for stability with ceramic capacitors v in = v en = from 2.3 v to 5.5 v, i out = from 1 ma to 300 ma, c in = 1 f (ceramic) v out = 1.2 v v in v out v out = 1.2 v v in v out v out = 1.2 v i out v out v out = 1.2 v i out v out v out = 1.2 v v en v out v out = 1.2 v v en v out v out = 1.2 v v in v out v out = 1.2 v v in v out stable zone 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 012345678910111213141516171819202122 c out [ f] (nominal value) esr @ 100 khz [ ] unstable zone stable zone 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 012345678910111213141516171819202122 c out [ f] (nominal value) esr @ 100 khz [ ] unstable zone
docid18103 rev 5 13/18 ld39030sj package mechanical data 18 8 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 registered trademark. figure 22. flip-chip 4 package drawing (dimensions are in mm.) 7504896_m
package mechanical data ld39030sj 14/18 docid18103 rev 5 table 6. flip-chip 4 package 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 figure 23. footprint data
docid18103 rev 5 15/18 ld39030sj packaging mechanical data 18 9 packaging mechanical data figure 24. flip-chip 4 tape and reel drawing
packaging mechanical data ld39030sj 16/18 docid18103 rev 5 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
docid18103 rev 5 17/18 ld39030sj revision history 18 10 revision history table 8. document revision history date revision changes 14-oct-2010 1 first release. 10-jul-2012 2 added new order code LD39030SJ33R table 1 on page 1 . updated flip-chip 4 mechanical data table 6 on page 14 and figure 22 on page 13 . 25-oct-2012 3 added new order code ld39030sj126r table 1 on page 1 . document status promoted from preliminary data to production data. 08-feb-2013 4 added table 7: options available on request on page 15 . 06-feb-2014 5 part number ld39030sjxx changed to ld39030sj. updated table 1: device summary , section 8: package mechanical data and section 9: packaging mechanical data . minor text changes.
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