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this is information on a product in full production. july 2012 doc id 17488 rev 3 1/16 16 ld59015xx 150 ma low noise high psrr linear voltage regulator datasheet ? production data features input voltage from 2.3 to 5.5 v very low quiescent current (31 a typ. at no load, 75 a typ. at 150 ma load, 1 a max in off mode) very low noise (20 v rms at v out = 1.5 v) output voltage tolerance: 1.8% at 25 c 150 ma guaranteed output current wide range of output voltages available on request: 0.8 v to 3.3 v in 100 mv steps logic-controlled electronic shutdown compatible with ceramic capacitor (c out = 1 f) internal current and thermal limit package: sot323-5l temperature range: -40 c to 125 c description the ld59015xx provides 150 ma of maximum current from an input voltage ranging from 2.3 v to 5.5 v, with a typical dropout voltage of 150 mv. it is stable with ceramic capacitors. high psrr, low quiescent current and low noise features make it suitable for low power battery-powered applications. power supply rejection is 80 db at low frequencies and starts to roll off at 10 khz. an enable logic control function puts the ld59015xx 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 and similar battery- powered systems. sot323-5l table 1. device summary part numbers order codes output voltages ld59015xx08 LD59015C08R 0.8 v ld59015xx12 ld59015c12r 1.2 v ld59015xx15 ld59015c15r 1.5 v ld59015xx18 ld59015c18r 1.8 v ld59015xx25 ld59015c25r 2.5 v ld59015xx30 ld59015c30r 3.0 v ld59015xx33 ld59015c33r 3.3 v www.st.com
contents ld59015xx 2/16 doc id 17488 rev 3 contents 1 block 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 8 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
ld59015xx block diagram doc id 17488 rev 3 3/16 1 block diagram figure 1. ld59015xx block diagram trimming 0.8 v bandgap enable en gnd out in protection thermal r2 r1 trimming 0.8 v bandgap enable en gnd out in protection thermal r2 r1
pin configuration ld59015xx 4/16 doc id 17488 rev 3 2 pin configuration figure 2. pin connection (top view) table 2. pin description pin n symbol function 1 in input voltage 2 gnd ground 3en enable input. set v en > 0.9 to turn on the device set v en < 0.4 to turn off the device 4 nc not connected 5 out output voltage
ld59015xx typical application doc id 17488 rev 3 5/16 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 ld59015xx 6/16 doc id 17488 rev 3 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 (max. 7) v v en enable input voltage - 0.3 to v i + 0.3 (max. 7) v i out output current internally limited ma p d power dissipation internally limited mw esd human body model 3kv machine model 300 v 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 645.69 c/w r thjc thermal resistance junction-case 116 c/w
ld59015xx electrical characteristics doc id 17488 rev 3 7/16 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 2.4 5.5 v v uvlo turn-on threshold 2.0 2.15 turn-off threshold 1.90 1.95 v out v out accuracy i out = 1ma, -40c < t j < 125c -1.8 1.8 % v out static line regulation v out +1v v in 5.5v, i out = 1ma 0.001 %/v v out static load regulation i out = 1ma to 150ma 0.001 %/ma v drop dropout voltage (2) i out = 150ma, v out > 2.2v -40c < t j < 125c 150 210 mv e n output noise voltage 10hz to 100khz, i out = 10ma, v out = 1.5v 20 v rms /v out svr supply voltage rejection v out = 1.5v v in = v outnom + 1v +/-v ripple v ripple = 0.5v, freq. = 1khz i out = 1ma 76 db v in = v outnom + 1v +/-v ripple v ripple = 0.5v, freq.=10khz i out = 1ma 76 v in = v outnom + 1v +/-v ripple v ripple = 0.5v, freq.=100khz i out = 1ma 54 i q quiescent current i out = 0ma 31 a i out = 0ma, -40c < t j < 125c 60 i out = 0 to 150ma 75 i out = 0 to 150ma -40c < t j < 125c 110 v in input current in off mode: v en = gnd 0.001 1 i sc short-circuit current r l = 0 200 ma v en enable input logic low v in = 2.3v to 5.5v, -40c < t j < 85c 0.4 v enable input logic high v in = 2.3v to 5.5v, -40c < t j < 85c 0.9 v i en enable pin input current v shdn = 5.5v 0.1 100 na t on turn-on time (3) 200 s
electrical characteristics ld59015xx 8/16 doc id 17488 rev 3 note: all transient values are guaranteed by design, not production tested. t shdn thermal shutdown 160 c hysteresis 20 c out output capacitor capacitance (see typical performance characteristics for stability) 14.7f 1. for v out(nom) < 1.3 v, v in = 2.3 v. 2. 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 for output voltages below 1.7 v. 3. turn-on time is time measured between the enable input just exceeding the 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
ld59015xx typical performance characteristics doc id 17488 rev 3 9/16 6 typical performance characteristics c in = c out = 1 f figure 4. v out vs. temperature (v out = 0.8 v) figure 5. v out vs. temperature (v out = 3.3 v) figure 6. quiescent current vs. temperature figure 7. quiescent current vs. i out figure 8. v out vs. v in figure 9. v drop vs. i out v in = v en = 2.3 v, i out = 1 ma, v out = 0.8 v 0.78 0.785 0.79 0.795 0.8 0.805 0.81 0.815 0.82 -75 -50 -25 0 25 50 75 100 125 150 t [c] v out [v] v in = v en = 2.3 v, i out = 1 ma, v out = 0.8 v 0.78 0.785 0.79 0.795 0.8 0.805 0.81 0.815 0.82 -75 -50 -25 0 25 50 75 100 125 150 t [c] v out [v] v in = v en = 4.3 v, i out = 1 ma, v out = 3.3 v 3.22 3.24 3.26 3.28 3.3 3.32 3.34 3.36 3.38 -75 -50 -25 0 25 50 75 100 125 150 t [c] v out [v] v in = v en = 4.3 v, i out = 1 ma, v out = 3.3 v 3.22 3.24 3.26 3.28 3.3 3.32 3.34 3.36 3.38 -75 -50 -25 0 25 50 75 100 125 150 t [c] v out [v] 10.00 15.00 20.00 25.00 30.00 35.00 40.00 45.00 50.00 -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 10.00 15.00 20.00 25.00 30.00 35.00 40.00 45.00 50.00 -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 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.00 0 20 40 60 80 100 120 140 160 i out [ma] iq [ua] -40c 125c 25c 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.00 0 20 40 60 80 100 120 140 160 i out [ma] iq [ua] -40c 125c 25c 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 00.511.522.533.544.555.56 v in [v] v out [v] 150 oc 125 oc 85 oc 55 oc 25 oc 0 oc -25 oc -40 oc -55 oc v in = v en = from 0 to 5.5 v, i out = 150 ma, v out = 8 v 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 00.511.522.533.544.555.56 v in [v] v out [v] 150 oc 125 oc 85 oc 55 oc 25 oc 0 oc -25 oc -40 oc -55 oc v in = v en = from 0 to 5.5 v, i out = 150 ma, v out = 8 v v in = v en , i out = from 0 to 150 ma, v out = 3.3 v 0 50 100 150 200 250 0 25 50 75 100 125 150 175 i out [ma] vdrop [mv] 125 oc -40 oc 25 oc v in = v en , i out = from 0 to 150 ma, v out = 3.3 v 0 50 100 150 200 250 0 25 50 75 100 125 150 175 i out [ma] vdrop [mv] 125 oc -40 oc 25 oc
typical performance characteristics ld59015xx 10/16 doc id 17488 rev 3 figure 10. v uvlo vs. temperature figure 11. esr vs. c out figure 12. supply voltage regulation vs. frequency figure 13. supply voltage regulation vs. i out figure 14. i sc vs. v drop figure 15. line transient c out = 1 f; v in = v en = from 2.3 to 3.3 v; v out = 0.8 v; i out = 1 ma; t rise = t fall = 25 s 1.50 1.70 1.90 2.10 2.30 2.50 -40 -20 0 20 40 60 80 100 120 140 temperature [c] uvlo thresholds [v] turn-off turn on 1.50 1.70 1.90 2.10 2.30 2.50 -40 -20 0 20 40 60 80 100 120 140 temperature [c] uvlo thresholds [v] turn-off turn on 0.00 0.01 0.10 1.00 10.00 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 0.01 0.10 1.00 10.00 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 40 50 60 70 80 90 100 100 1000 10000 100000 su pply volt a ge rejection [db] f [hz] v in = 4.8 v, vripple pk-pk = 1 v, v o = 3.3 v 40 50 60 70 80 90 0 20 40 60 80 100 120 140 160 i out [ma] supply voltage rejection [db] 1 khz 100 hz 10 khz v in = 4.8 v, vripple pk-pk = 1 v, v o = 3.3 v 40 50 60 70 80 90 0 20 40 60 80 100 120 140 160 i out [ma] supply voltage rejection [db] 1 khz 100 hz 10 khz v in = v en 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0123456 vdrop [v] i sc [a] 125 oc -40 oc 25 oc v in = v en 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0123456 vdrop [v] i sc [a] 125 oc -40 oc 25 oc
ld59015xx typical performance characteristics doc id 17488 rev 3 11/16 figure 16. line transient figure 17. load transient c out = 1 f; v in = v en = from 4.5 to 5.5 v; v out = 3.3 v; i out = 1 ma; t rise = t fall = 25 s c in = c out = 1 f; v in = v en = 2.3 v; v out = 0.8 v; i out from 0.1 to 150 ma; t rise = t fall = 25 s figure 18. load transient figure 19. startup transient c in = c out = 1 f; v in = v en = 4.3 v; v out = 3.3 v; i out from 0.1 to 150 ma; t rise = t fall = 25 s c out = 1 f; v in = v en = from 0 to 5.5 v; v out = 3.3 v; i out = 150 ma figure 20. enable transient c in = c out = 1 f; v in = 4.3; v en = from 0 to 5.5 v; v out = 3.3 v; i out = 1 ma; t rise = 25 s
package mechanical data ld59015xx 12/16 doc id 17488 rev 3 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. table 6. sot323-5l mechanical data dim. mm. min. typ. max. a 0.80 1.10 a1 0 0.10 a2 0.80 0.90 1 b 0.15 0.30 c 0.10 0.22 d1.8022.20 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
ld59015xx package mechanical data doc id 17488 rev 3 13/16 figure 21. sot323-5l dimensions 7091413_e
package mechanical data ld59015xx 14/16 doc id 17488 rev 3 dim. mm. inch. min. typ. max. min. typ. max. a 175 1 8 01 8 56. 889 7.0 8 6 7.2 83 c 12. 8 1 3 1 3 .2 0.504 0.512 0.51 9 d 20.2 0.7 9 5 n5 9 .5 60 60.5 2. 3 62 t 14.4 0.567 ao 2.25 0.0 88 bo 2.7 0.106 ko 1.2 0.047 po 3 . 9 4 4.1 0.15 3 0.157 0.161 p 3 . 8 4 4.2 0.14 9 0.157 0.165 tape & reel s ot 3 2 3 -xl mechanical data
ld59015xx revision history doc id 17488 rev 3 15/16 8 revision history table 7. document revision history date revision changes 10-may-2010 1 initial release. 21-dec-2011 2 modified: operating input voltage (v in ) min. value table 5 on page 7 . availability LD59015C08R code table 1 on page 1 . 06-jul-2012 3 updated: table 1 on page 1 .
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