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this is information on a product in full production. february 2014 docid14003 rev 4 1/16 ld39015 150 ma low quiescent current and 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 (18 a typ. at no load, 38 a typ. at 150 ma load, 1 a max. in off mode) ? very low noise without bypass capacitor (29 v rms at v out = 0.8 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 3.3 v with 100 mv step ? logic-controlled electronic shutdown ? compatible with ceramic capacitors c o = 1 f ? internal current and thermal limit ? available in sot666 and sot23-5l packages ? temperature range: -40 c to 125 c description the ld39015 series provides 150 ma maximum current with an input voltage range from 1.5 v to 5.5 v and a typical dropout voltage of 80 mv. it is stable with ceramic capacitors. 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 rolling off at 10 khz. enable logic control function puts the ld39015 in shutdown mode allowing a total current consumption lower than 1 a. the device also includes short-circuit constant current limiting and thermal protection. typical applications are mobile phones, personal digital assistants (pdas), cordless phones or similar battery- powered systems. sot666 sot23-5l table 1. device summary order codes output voltages sot666 sot23-5l LD39015XG08R ld39015m08r 0.8 v ld39015xg10r ld39015m10r 1.0 v ld39015xg12r (1) ld39015m12r 1.2 v ld39015m125r 1.25 v ld39015xg15r ld39015m15r 1.5 v ld39015xg18r (1) ld39015m18r 1.8 v ld39015xg25r (1) ld39015m25r 2.5 v ld39015xg33r (1) ld39015m33r 3.3 v 1. available on request. other voltages available on request from 0.8 v to 3.3 v in 100 mv step. www.st.com
contents ld39015 2/16 docid14003 rev 4 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 8 packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 9 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
docid14003 rev 4 3/16 ld39015 diagram 16 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 ld39015 4/16 docid14003 rev 4 2 pin configuration figure 2. pin connection (top view) sot23-5l sot666 table 2. pin description pin n symbol function sot666 sot23-5l 1 3 en enable pin logic input: low = shutdown, high = active 2 2 gnd common ground 3 1 in ldo input voltage 4 5 out output voltage 5 4 nc not connected 6 nc not connected
docid14003 rev 4 5/16 ld39015 typical application 16 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 ld39015 6/16 docid14003 rev 4 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 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 sot23-5l sot666 unit r thja thermal resistance junction-ambient 255 132 c/w r thjc thermal resistance junction-case 81 56 c/w
docid14003 rev 4 7/16 ld39015 electrical characteristics 16 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 c < t j < 125 c -3.0 3.0 v out 1.5 v, i out = 1 ma 10 mv v out 1.5 v, i out = 1 ma -40 c < t j < 125 c 30 v out static line regulation v out +1 v v in 5.5 v i out = 1 ma 0.01 %/v v out transient line regulation (2) v in = + 500 mv, i out = 1 ma t r = t f = 5 s 10 mvpp v out static load regulation i out = 1 ma to 150 ma 0.002 %/ma v out transient load regulation (2) i out = 1 ma to 150 ma t r = t f = 5 s 40 mvpp v drop dropout voltage (3) i out = 100 ma, v out > 1.5 v -40 c < t j < 125 c 80 100 mv e n output noise voltage 1.1 khz to 100 khz, i out = 10 ma v out = 0.8 v 29 v rms svr supply voltage rejection v out = 1.5 v v in = v outnom + 0.5 v +/-v ripple v ripple = 0.1 v, freq. = 1 khz i out = 10 ma 65 db v in = v outnom + 0.5 v +/-v ripple v ripple = 0.1 v, freq.=10 khz i out = 10 ma 62 i q quiescent current i out = 0 ma 18 a i out = 0 ma, -40 c < t j < 125 c 50 i out = 0 to 150 ma 38 i out = 0 to 150 ma -40 c < t j < 125 c 70 v in input current in off mode: v en = gnd 0.001 1
electrical characteristics ld39015 8/16 docid14003 rev 4 i sc short-circuit current r l = 0 350 ma v en enable input logic low v in = 1.5 v to 5.5 v -40 c < t j < 125 c 0.4 v enable input logic high v in = 1.5 v to 5.5 v -40 c < t j < 125 c 0.9 v i en enable pin input current v en = v in 0.1 100 na t on turn-on time (4) 30 s t shdn thermal shutdown 160 c hysteresis 20 c out output capacitor capacitance (see typical performance characteristics for stability) 122f 1. for v out(nom) < 1.2 v, v in = 1.5 v 2. all transient values are guarantee d by design, not production tested 3. dropout voltage is the input-to-output voltage difference at wh ich the output voltage is 100 mv below its nominal value. this specification does not apply to output voltages below 1.5 v 4. 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) (1) symbol parameter test conditions min. typ. max. unit
docid14003 rev 4 9/16 ld39015 typical performance characteristics 16 6 typical performance characteristics figure 4. output voltage vs. temperature figure 5. output voltage vs. input voltage figure 6. dropout voltage vs. output current figure 7. c out stability region figure 8. supply voltage rejection vs. frequency figure 9. output noise voltage vs. frequency v in =1.5v 0.75 0.76 0.77 0.78 0.79 0.8 0.81 0.82 0.83 0.84 0.85 -50 0 50 100 150 temp [c] v out [v] i out =1ma i out =100ma v in =1.5v 0.75 0.76 0.77 0.78 0.79 0.8 0.81 0.82 0.83 0.84 0.85 -50 0 50 100 150 temp [c] v out [v] i out =1ma i out =100ma 9 ,1 >9@ 9 287 >9@ 9 ,1 >9@ 9 287 >9@ 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0 0.05 0.1 0.15 0.2 0.25 i out [a] vdropout [v] 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0 0.05 0.1 0.15 0.2 0.25 i out [a] vdropout [v] stability region c in =1 f, v in =v en =1.5 to 5.5 v i out =1 ma to 0.15 a 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 0 5 10 15 20 25 c out [f] (nominal value) esr @ 100 khz [ohm] stability region c in =1 f, v in =v en =1.5 to 5.5 v i out =1 ma to 0.15 a 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 0 5 10 15 20 25 c out [f] (nominal value) esr @ 100 khz [ohm] i out = 10ma vripple = 0.1vpp 10 15 20 25 30 35 40 45 50 55 60 65 70 75 100 1000 10000 100000 freq [hz] svr [db] i out = 10ma vripple = 0.1vpp 10 15 20 25 30 35 40 45 50 55 60 65 70 75 100 1000 10000 100000 freq [hz] svr [db] i out =10 ma, v in =4.3 v, c in =c out = 1f v out =3.3 v 0 100 200 300 400 500 600 700 800 1000 10000 100000 freq [hz] nv/ hz i out =10 ma, v in =4.3 v, c in =c out = 1f v out =3.3 v 0 100 200 300 400 500 600 700 800 1000 10000 100000 freq [hz] nv/ hz
typical performance characteristics ld39015 10/16 docid14003 rev 4 figure 10. quiescent current vs. input voltage figure 11. load transient v en = v in = 1.5v, i out = 1ma to 0.15a, c in = c out = 1f, t r = t f = 5s figure 12. line transient figure 13. enable transient v in = v en = 1.5 to 5.5v, i out = 1ma, c out = 1f, t r = t f = 5s v in = 1.5v, v en = 0 to 1v, i out = 1ma, c in = c out = 1f 0 20 40 60 80 100 1.4 1.9 2.4 2.9 3.4 3.9 4.4 4.9 5.4 5.9 v in [v] iq [a] v in =v inh , c in =c out =1f, i out =0.15a 0 20 40 60 80 100 1.4 1.9 2.4 2.9 3.4 3.9 4.4 4.9 5.4 5.9 v in [v] iq [a] v in =v inh , c in =c out =1f, i out =0.15a
docid14003 rev 4 11/16 ld39015 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 14. sot23-5l mechanical drawings bn
package mechanical data ld39015 12/16 docid14003 rev 4 figure 15. sot23-5l recommended footprint (dimensions in mm) table 6. 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
docid14003 rev 4 13/16 ld39015 package mechanical data 16 figure 16. sot666 mechanical drawings table 7. sot666 mechanical data dim. mm min. typ. max. a 0.53 0.57 0.60 a3 0.13 0.17 0.18 d 1.50 1.66 1.70 e 1.50 1.65 1.70 e1 1.10 1.20 1.30 l1 0.11 0.19 0.26 l2 0.10 0.23 0.30 l3 0.05 0.10 b0.17 0.25 b1 0.27 0.34 e0.50 e1 0.20 8 10 12
packaging mechanical data ld39015 14/16 docid14003 rev 4 8 packaging mechanical data figure 17.tape and reel sot23-5l drawings table 8. tape and reel sot23-5l 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
docid14003 rev 4 15/16 ld39015 revision history 16 9 revision history table 9. document revision history date revision changes 13-nov-2007 1 initial release. 11-apr-2008 2 modified: table 5 on page 7 . 12-feb-2009 3 modified: table 1 on page 1 . 11-feb-2014 4 part number ld39015xx changed to ld39015. updated the description in cover page and section 7: package mechanical data . added section 8: packaging mechanical data . minor text changes.
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