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Datasheet File OCR Text: |
this is information on a product in full production. october 2013 docid025199 rev 1 1/31 31 LD39130S 300 ma very low quiescent current linear regulator ic with the automatic green mode datasheet - production data features ? input voltage from 1.4 to 5.5 v ? ultra low dropout voltage (300 mv typ. at 300 ma load) ? automatic green mode ? very low quiescent current (55 a typ. at 300 ma load in normal mode, 1 a in green mode and 0.1 a typ. in off mode) ? output voltage tolerance: 1.0% at 25 c ? 300 ma guaranteed output current ? wide range of output voltages available on request: adjustable from 0.8 v, fixed up to 4.0 v in 100 mv step ? logic-controlled electronic shutdown ? internal soft-start ? compatible with ceramic capacitor c out = 1 f ? internal current foldback and thermal protections ? available in dfn6 1.2x1.3 mm and flip-chip 4 bumps 0.69x0.69 mm. 0.4 pitch ? operating temperature range: -40 c to 125 c applications ? mobile phones ? personal digital assistants (pdas) ? digital still cameras (dsc) ? cordless phones and similar battery-powered systems ? portable media players description the LD39130S is a high accuracy voltage regulator that provides 300 ma maximum current from an input voltage ranging from 1.4 v to 5.5 v, with a typical dropout voltage of 300 mv. it is available in dfn6 1.2x1.3 mm package and in ultra small csp 4 bumps package, allowing the maximum space saving. the device 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-operated applications. it integrates an internal logic circuitry, which allows the regulator to be in ultra low consumption mode (green mode), when the output current required is very low. the normal working mode, with fast transient response, is restored when the load current increases. the enable logic control function puts the LD39130S in shutdown mode allowing a total current consumption lower than 0.1 a. the current foldback and thermal protection are provided. ) o l s f k l s ' ) 1 [ / www.st.com
contents LD39130S 2/31 docid025199 rev 1 contents 1 diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.1 soft-start function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.2 auto green mode function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.3 input and output capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.3.1 input capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.3.2 output capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6 typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 8 order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 docid025199 rev 1 3/31 LD39130S list of tables list of tables table 1. pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 2. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 3. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 4. esd performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 5. LD39130S/LD39130Sj electrical characteristics (fixed versions). . . . . . . . . . . . . . . . . . . . 10 table 6. LD39130S electrical characteristics (adjustable version) . . . . . . . . . . . . . . . . . . . . . . . . . . 12 table 7. flip-chip 4 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 table 8. dfn6 1.2x1.3 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 table 9. order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 table 10. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 list of figures LD39130S 4/31 docid025199 rev 1 list of figures figure 1. block diagram (adjustable version). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 2. block diagram (fixed version) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. pin connection (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 figure 4. typical application circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 5. output voltage vs. temperature (v in =1.8 v, i out = 5 ma, normal mode) . . . . . . . . . . . . . 15 figure 6. output voltage vs. temperature (v in =1.8 v, i out = 300 ma, normal mode) . . . . . . . . . . . 15 figure 7. output voltage vs. temperature (v in = 1.4 v, i out = 1 ma, auto green mode). . . . . . . . . . 15 figure 8. output voltage vs. temperature (v in =5.5 v, i out = 1 ma, auto green mode). . . . . . . . . . 15 figure 9. line regulation vs. temperature (normal mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 10. line regulation vs. temperature (auto green mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 11. load regulation vs. temperature (i out = 1 to 10 ma, normal mode) . . . . . . . . . . . . . . . . . 16 figure 12. load regulation vs. temperature (i out = 10 to 300 ma, normal mode) . . . . . . . . . . . . . . . 16 figure 13. load regulation vs. temperature (i out = 1 to 12 ma, auto green mode) . . . . . . . . . . . . . . 16 figure 14. mode change thresholds vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 15. quiescent current vs. temperature (i out = 10 ma, normal mode) . . . . . . . . . . . . . . . . . . . 17 figure 16. quiescent current vs. temperature (i out = 300 ma, normal mode) . . . . . . . . . . . . . . . . . . 17 figure 17. quiescent current vs. temperature (no load, auto green mode) . . . . . . . . . . . . . . . . . . . . . 17 figure 18. shutdown current vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 19. quiescent current vs. input voltage (auto green mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 20. quiescent current vs. input voltage (normal mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 21. quiescent current vs. output current (auto green mode) . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 22. quiescent current vs. load current (normal mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 23. quiescent current vs. load current (normal mode, zoom). . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 24. short-circuit current vs. output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 25. foldback current vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 26. dropout voltage vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 27. dropout voltage vs. output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 28. s.v.r. vs. frequency (normal mode). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 29. s.v.r. vs. frequency (green mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 30. noise spectrum vs. frequency (v out =v adj ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 31. noise spectrum vs. frequency (v out = 4.1 v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 32. stability plan vs. (c out , esr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 33. startup by enable (i out = 0 ma, auto green mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 34. turn-off by enable (i out = 0 ma, auto green mode). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 35. startup by enable (i out = 300 ma, auto green mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 36. turn-off by enable (i out = 300 ma, auto green mode). . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 37. startup by enable (i out = 300 ma, normal mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 38. turn-off by enable (i out = 300 ma, normal mode). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 39. turn-on time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 40. turn-off time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 41. line transient (auto green mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 42. line transient (normal mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 43. load transient (i out = 1 to 30 ma, auto green mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 44. load transient (i out = 0 to 300 ma, auto green mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 45. load transient (i out = 1 to 300 ma, normal mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 docid025199 rev 1 5/31 LD39130S list of figures figure 46. green mode transient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 47. flip-chip 4 drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 figure 48. flip-chip 4 footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 figure 49. dfn6 1.2x1.3 drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 figure 50. dfn6 1.2x1.3 footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 diagram LD39130S 6/31 docid025199 rev 1 1 diagram figure 1. block diagra m (adjustable version) figure 2. block diagram (fixed version) 9 , 1 9 2 8 7 ( 1 % d q g j d s ) d v w w x u q r q 5 & |