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july 2008 rev 22 1/49 49 lfxxab lfxxc very low drop voltage re gulators with inhibit features very low dropout voltage (0.45 v) very low quiescent current (typ. 50 a in off mode, 500 a in on mode) output current up to 500 ma logic-controlled electronic shutdown output voltages of 1.5; 1.8; 2.5; 3.3; 4.7; 5; 6; 8; 8.5; 9; 12 v automotive grade product: 1.8 v, 2.5 v, 3.3 v, 5.0 v, 8.0 v, 8.5 v v out in dpak and ppak packages internal current and thermal limit only 2.2 f for stability available in 1% (ab) or 2% (c) selection at 25 c supply voltage rejection: 80 db (typ.) temperature range: -40 to 125 c description the lfxxab/lfxxc are very low drop regulators available in pentawatt, to-220, to-220fp, dpak and ppak package and in a wide range of output voltages. the very low drop voltage (0.45 v) and the very low quiescent current make them particularly suitable for low noise, low power applications and specially in battery powered systems. in the 5 pins configuration (pentawatt and ppak) a shutdown logic control functi on is available (pin 2, ttl compatible). this means that when the device is used as a local re gulator, it is possible to put a part of the board in standby, decreasing the total power consumption. in the three terminal configuration the device has the same electrical performance, but is fixed in the on state. it requires only a 2.2 f capacitor for stability allowing space and cost saving. the lfxx is available as automotive grade in dpak and ppak packages, for the options of output voltages whose commercial part numbers are shown in the ta b l e 3 2 (order codes). these devices are qualified according to th e specification aec-q100 of the automotive market, in the temperature range -40 c to 125 c, and the statistical tests pat, syl, sbl are performed. to-220fp pentawatt to-220 dpak ppak table 1. device summary part numbers lf15c lf18ab lf33c lf50c lf60ab lf85c lf90ab lf15ab lf25c lf33ab lf50ab lf80c lf85ab lf120c lf18c lf25ab lf47c lf60c lf80ab lf90c lf120ab www.st.com
contents lfxxab - lfxxc 2/49 contents 1 diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5 typical performance characteristi cs . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 6 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 7 order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 8 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
lfxxab - lfxxc list of figures 3/49 list of figures figure 1. block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 figure 4. dropout voltage vs output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 figure 5. dropout voltage vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 figure 6. supply current vs input voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 figure 7. supply current vs input voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 figure 8. short circuit current vs input voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 figure 9. supply current vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 figure 10. logic controlled precision 3.3/5.0 v selectable output . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 figure 11. sequential multi-output supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 figure 12. multiple supply with on/off toggle switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 figure 13. basic inhibit functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 figure 14. delayed turn-on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 figure 15. low voltage bulb blinker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
list of tables lfxxab - lfxxc 4/49 list of tables table 1. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 table 2. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 3. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 4. electrical characteristics for lf15ab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 table 5. electrical characteristics for lf15c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 6. electrical characteristics for lf18ab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 table 7. electrical characteristics for lf18c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 8. electrical characteristics for lf18cdt-try (automotive grade). . . . . . . . . . . . . . . . . . . . 12 table 9. electrical characteristics for lf25ab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 table 10. electrical characteristics for lf25abdt-try (automotive grade). . . . . . . . . . . . . . . . . . . 14 table 11. electrical characteristics for lf25c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 table 12. electrical characteristics for lf25cdt-try (automotive grade). . . . . . . . . . . . . . . . . . . . 16 table 13. electrical characteristics for lf33ab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 table 14. electrical characteristics for lf33c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 table 15. electrical characteristics for lf33cdt-try and lf33cpt-try (automotive grade) . . . . 19 table 16. electrical characteristics for lf50ab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 table 17. electrical characteristics for lf50abdt-try (automotive grade). . . . . . . . . . . . . . . . . . . 21 table 18. electrical characteristics for lf50c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 table 19. electrical characteristics for lf50cdt-try and LF50CPT-TRY (automotive grade) . . . . 23 table 20. electrical characteristics for lf60ab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 table 21. electrical characteristics for lf60c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 table 22. electrical characteristics for lf80ab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 table 23. electrical characteristics for lf80c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 table 24. electrical characteristics for lf80cdt-try (automotive grade). . . . . . . . . . . . . . . . . . . . 28 table 25. electrical characteristics for lf85ab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 table 26. electrical characteristics for lf85c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 table 27. electrical characteristics for lf85cdt-try and lf85cpt-try (automotive grade) . . . . 31 table 28. electrical characteristics for lf90ab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 table 29. electrical characteristics for lf90c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 table 30. electrical characteristics for lf120ab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 table 31. electrical characteristics for lf120c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 table 32. order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 table 33. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
lfxxab - lfxxc diagram 5/49 1 diagram figure 1. block diagram
pin configuration lfxxab - lfxxc 6/49 2 pin configuration figure 2. pin connections (top view) to-220fp dpak to-220 ppak pentawatt
lfxxab - lfxxc maximum ratings 7/49 3 maximum ratings table 2. absolute maximum ratings symbol parameter value unit v i dc input voltage -0.5 to 40 (1) 1. for 18 < v i < 40 the regulator is in shut-down v i o output current internally limited p tot power dissipation internally limited t stg storage temperature range -40 to 150 c t op operating junction temperature range -40 to 125 c table 3. thermal data symbol parameter pentawatt to-220 to-220fp dpak/ppak unit r thjc thermal resistance junction-case 3 3 5 8 c/w r thja thermal resistance junction-ambient 50 50 60 100 c/w figure 3. test circuit
electrical characteristics lfxxab - lfxxc 8/49 4 electrical characteristics table 4. electrical characteristics for lf15ab (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 3.5 v 1.485 1.5 1.515 v i o = 50 ma, v i = 3.5 v, t a = -25 to 85c 1.470 1.530 v i operating input voltage i o = 500 ma 2.5 16 v i o output current limit 1 a v o line regulation v i = 2.5 to 16 v, i o = 5 ma 2 10 mv v o load regulation v i = 2.8 v, i o = 5 to 500 ma 2 10 mv i d quiescent current v i = 2.5 to 16v, i o = 0ma on mode 0.5 1 ma v i = 2.8 to 16v, i o =500ma 12 v i = 6 v off mode 50 100 a svr supply voltage rejection i o = 5 ma, v i = 3.5 1 v f = 120 hz 82 db f = 1 khz 77 f = 10 khz 65 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 1 v v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 6 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 9/49 table 5. electrical characteristics for lf15c (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 3.5 v 1.47 1.5 1.53 v i o = 50 ma, v i = 3.5 v, t a = -25 to 85c 1.44 1.56 v i operating input voltage i o = 500 ma 2.5 16 v i o output current limit 1 a v o line regulation v i = 2.5 to 16 v, i o = 5 ma 2 10 mv v o load regulation v i = 2.8 v, i o = 5 to 500 ma 2 10 mv i d quiescent current v i = 2.5 to 16v, i o = 0ma on mode 0.5 1 ma v i = 2.8 to 16v, i o =500ma 12 v i = 6 v off mode 50 100 a svr supply voltage rejection i o = 5 ma, v i = 3.5 1 v f = 120 hz 82 db f = 1 khz 77 f = 10 khz 65 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 1 v v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 6 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 10/49 table 6. electrical characteristics for lf18ab (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 3.3 v 1.782 1.8 1.818 v i o = 50 ma, v i = 3.3 v, t a = -25 to 85c 1.764 1.836 v i operating input voltage i o = 500 ma 3 16 v i o output current limit 1 a v o line regulation v i = 2.8 to 16 v, i o = 5 ma 2 12 mv v o load regulation v i = 3.3 v, i o = 5 to 500 ma 2 10 mv i d quiescent current v i = 2.5 to 16v, i o = 0ma on mode 0.5 1 ma v i = 3.1 to 16v, i o =500ma 12 v i = 6 v off mode 50 100 a svr supply voltage rejection i o = 5 ma, v i = 3.5 1 v f = 120 hz 82 db f = 1 khz 77 f = 10 khz 60 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.7 v v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 6 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 11/49 table 7. electrical characteristics for lf18c (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 3.5 v 1.764 1.8 1.836 v i o = 50 ma, v i = 3.5 v, t a = -25 to 85c 1.728 1.872 v i operating input voltage i o = 500 ma 3 16 v i o output current limit 1 a v o line regulation v i = 2.8 to 16 v, i o = 5 ma 2 12 mv v o load regulation v i = 3.3 v, i o = 5 to 500 ma 2 10 mv i d quiescent current v i = 2.5 to 16v, i o = 0ma on mode 0.5 1 ma v i = 3.1 to 16v, i o =500ma 12 v i = 6 v off mode 50 100 a svr supply voltage rejection i o = 5 ma, v i = 3.5 1 v f = 120 hz 82 db f = 1 khz 77 f = 10 khz 60 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.7 v v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 6 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 12/49 table 8. electrical characteristics for lf18cdt-try (automotive grade) (refer to the test circuits, t a = -40 to 125c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 3.5 v, t a = 25c 1.764 1.8 1.836 v i o = 50 ma, v i = 3.5 v 1.713 1.887 v i operating input voltage i o = 500 ma 3 16 v i o output current limit t a = 25c 1 a v o line regulation v i = 2.8 to 16 v, i o = 5 ma 2 15 mv v o load regulation v i = 3.3 v, i o = 5 to 500 ma 2 15 mv i d quiescent current v i = 2.5 to 16v, i o = 0ma on mode 0.5 2 ma v i = 3.1 to 16v, i o =500ma 12 v i = 6 v off mode 50 120 a svr supply voltage rejection i o = 5 ma, v i = 3.5 1 v t a = 25c f = 120 hz 82 db f = 1 khz 77 f = 10 khz 60 en output noise voltage b = 10 hz to 100 khz, t a = 25c 50 v v d dropout voltage i o = 200 ma 0.2 1.3 v i o = 500 ma 0.4 1.3 v il control input logic low 0.8 v v ih control input logic high 2 v i i control input current v i = 6 v, v c = 6 v, t a = 25c 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 13/49 table 9. electrical characteristics for lf25ab (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 4.5 v 2.475 2.5 2.525 v i o = 50 ma, v i = 4.5 v, t a = -25 to 85c 2.450 2.550 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 3.5 to 16 v, i o = 5 ma 2 12 mv v o load regulation v i = 3.8 v, i o = 5 to 500 ma 2 12 mv i d quiescent current v i = 3.5 to 16v, i o = 0ma on mode 0.5 1 ma v i = 3.8 to 16v, i o =500ma 12 v i = 6 v off mode 50 100 a svr supply voltage rejection i o = 5 ma, v i = 4.5 1 v f = 120 hz 82 db f = 1 khz 77 f = 10 khz 65 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 6 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 14/49 table 10. electrical characteristics for lf25abdt-try (automotive grade) (refer to the test circuits, t a = -40 to 125c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 4.5 v, t a = 25c 2.475 2.5 2.525 v i o = 50 ma, v i = 4.5 v 2.435 2.565 v i operating input voltage i o = 500 ma 16 v i o output current limit t a = 25c 1 a v o line regulation v i = 3.5 to 16 v, i o = 5 ma 2 15 mv v o load regulation v i = 3.8 v, i o = 5 to 500 ma 2 15 mv i d quiescent current v i = 3.5 to 16v, i o = 0ma on mode 0.5 2 ma v i = 3.8 to 16v, i o =500ma 12 v i = 6 v off mode 50 120 a svr supply voltage rejection i o = 5 ma, v i = 4.5 1 v t a = 25c f = 120 hz 82 db f = 1 khz 77 f = 10 khz 65 en output noise voltage b = 10 hz to 100 khz, t a = 25c 50 v v d dropout voltage i o = 200 ma 0.2 1.3 v i o = 500 ma 0.4 1.3 v il control input logic low 0.8 v v ih control input logic high 2 v i i control input current v i = 6 v, v c = 6 v, t a = 25c 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 15/49 table 11. electrical characteristics for lf25c (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 4.5 v 2.45 2.5 2.55 v i o = 50 ma, v i = 4.5 v, t a = -25 to 85c 2.4 2.6 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 3.5 to 16 v, i o = 5 ma 2 12 mv v o load regulation v i = 3.8 v, i o = 5 to 500 ma 2 12 mv i d quiescent current v i = 3.5 to 16v, i o = 0ma on mode 0.5 1 ma v i = 3.8 to 16v, i o =500ma 12 v i = 6 v off mode 50 100 a svr supply voltage rejection i o = 5 ma, v i = 4.5 1 v f = 120 hz 82 db f = 1 khz 77 f = 10 khz 65 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 6 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 16/49 table 12. electrical characteristics for lf25cdt-try (automotive grade) (refer to the test circuits, t a = -40 to 125c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 4.5 v, t a = 25c 2.45 2.5 2.55 v i o = 50 ma, v i = 4.5 v 2.385 2.615 v i operating input voltage i o = 500 ma 16 v i o output current limit t a = 25c 1 a v o line regulation v i = 3.5 to 16 v, i o = 5 ma 2 15 mv v o load regulation v i = 3.8 v, i o = 5 to 500 ma 2 15 mv i d quiescent current v i = 3.5 to 16v, i o = 0ma on mode 0.5 2 ma v i = 3.8 to 16v, i o =500ma 12 v i = 6 v off mode 50 120 a svr supply voltage rejection i o = 5 ma, v i = 4.5 1 v t a = 25c f = 120 hz 82 db f = 1 khz 77 f = 10 khz 65 en output noise voltage b = 10 hz to 100 khz, t a = 25c 50 v v d dropout voltage i o = 200 ma 0.2 1.3 v i o = 500 ma 0.4 1.3 v il control input logic low 0.8 v v ih control input logic high 2 v i i control input current v i = 6 v, v c = 6 v, t a = 25c 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 17/49 table 13. electrical characteristics for lf33ab (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 5.3 v 3.267 3.3 3.333 v i o = 50 ma, v i = 5.3 v, t a = -25 to 85c 3.234 3.366 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 4.3 to 16 v, i o = 5 ma 3 16 mv v o load regulation v i = 4.6 v, i o = 5 to 500 ma 3 16 mv i d quiescent current v i = 4.3 to 16v, i o = 0ma on mode 0.5 1 ma v i = 4.6 to 16v, i o =500ma 12 v i = 6 v off mode 50 100 a svr supply voltage rejection i o = 5 ma, v i = 5.3 1 v f = 120 hz 80 db f = 1 khz 75 f = 10 khz 65 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 6 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 18/49 table 14. electrical characteristics for lf33c (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 5.3 v 3.234 3.3 3.366 v i o = 50 ma, v i = 5.3 v, t a = -25 to 85c 3.168 3.432 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 4.3 to 16 v, i o = 5 ma 3 16 mv v o load regulation v i = 4.6 v, i o = 5 to 500 ma 3 16 mv i d quiescent current v i = 4.3 to 16v, i o = 0ma on mode 0.5 1 ma v i = 4.6 to 16v, i o =500ma 12 v i = 6 v off mode 50 100 a svr supply voltage rejection i o = 5 ma, v i = 5.3 1 v f = 120 hz 80 db f = 1 khz 75 f = 10 khz 65 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 6 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 19/49 table 15. electrical characteristics for lf33cdt-try and lf33cpt-try (automotive grade) (refer to the test circuits, t a = -40 to 125c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 5.3 v, t a = 25c 3.234 3.3 3.366 v i o = 50 ma, v i = 5.3 v, 3.153 3.447 v i operating input voltage i o = 500 ma 16 v i o output current limit t a = 25c 1 a v o line regulation v i = 4.3 to 16 v, i o = 5 ma 3 19 mv v o load regulation v i = 4.6 v, i o = 5 to 500 ma 3 19 mv i d quiescent current v i = 4.3 to 16v, i o = 0ma on mode 0.5 2 ma v i = 4.6 to 16v, i o =500ma 12 v i = 6 v off mode 50 120 a svr supply voltage rejection i o = 5 ma, v i = 5.3 1 v t a = 25c f = 120 hz 80 db f = 1 khz 75 f = 10 khz 65 en output noise voltage b = 10 hz to 100 khz, t a = 25c 50 v v d dropout voltage i o = 200 ma 0.2 1.3 v i o = 500 ma 0.4 1.3 v il control input logic low 0.8 v v ih control input logic high 2 v i i control input current v i = 6 v, v c = 6 v, t a = 25c 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 20/49 table 16. electrical characteristics for lf50ab (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 7 v 4.9555.05 v i o = 50 ma, v i = 7 v, t a = -25 to 85c 4.9 5.1 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 6 to 16 v, i o = 5 ma 5 25 mv v o load regulation v i = 6.3 v, i o = 5 to 500 ma 5 25 mv i d quiescent current v i = 6 to 16v, i o = 0ma on mode 0.5 1 ma v i = 6.3 to 16v, i o =500ma 12 v i = 6 v off mode 50 100 a svr supply voltage rejection i o = 5 ma, v i = 7 1 v f = 120 hz 76 db f = 1 khz 71 f = 10 khz 60 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 6 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 21/49 table 17. electrical characteristics for lf50abdt-try (automotive grade) (refer to the test circuits, t a = -40 to 125c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 7 v, t a = 25c 4.95 5 5.05 v i o = 50 ma, v i = 7 v 4.885 5.115 v i operating input voltage i o = 500 ma 16 v i o output current limit t a = 25c 1 a v o line regulation v i = 6 to 16 v, i o = 5 ma 5 28 mv v o load regulation v i = 6.3 v, i o = 5 to 500 ma 5 28 mv i d quiescent current v i = 6 to 16v, i o = 0ma on mode 0.5 2 ma v i = 6.3 to 16v, i o =500ma 12 v i = 6 v off mode 50 120 a svr supply voltage rejection i o = 5 ma, v i = 7 1 v t a = 25c f = 120 hz 76 db f = 1 khz 71 f = 10 khz 60 en output noise voltage b = 10 hz to 100 khz, t a = 25c 50 v v d dropout voltage i o = 200 ma 0.2 1.3 v i o = 500 ma 0.4 1.3 v il control input logic low 0.8 v v ih control input logic high 2 v i i control input current v i = 6 v, v c = 6 v, t a = 25c 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 22/49 table 18. electrical characteristics for lf50c (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 7 v 4.9 5 5.1 v i o = 50 ma, v i = 7 v, t a = -25 to 85c 4.8 5.2 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 6 to 16 v, i o = 5 ma 5 25 mv v o load regulation v i = 6.3 v, i o = 5 to 500 ma 5 25 mv i d quiescent current v i = 6 to 16v, i o = 0ma on mode 0.5 1 ma v i = 6.3 to 16v, i o =500ma 12 v i = 6 v off mode 50 100 a svr supply voltage rejection i o = 5 ma, v i = 7 1 v f = 120 hz 76 db f = 1 khz 71 f = 10 khz 60 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 6 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 23/49 table 19. electrical characteristics for lf50cdt-try and LF50CPT-TRY (automotive grade) (refer to the test circuits, t a = -40 to 125c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 7 v, t a = 25c 4.9 5 5.1 v i o = 50 ma, v i = 7 v 4.785 5.215 v i operating input voltage i o = 500 ma 16 v i o output current limit t a = 25c 1 a v o line regulation v i = 6 to 16 v, i o = 5 ma 5 28 mv v o load regulation v i = 6.3 v, i o = 5 to 500 ma 5 28 mv i d quiescent current v i = 6 to 16v, i o = 0ma on mode 0.5 2 ma v i = 6.3 to 16v, i o =500ma 12 v i = 6 v off mode 50 120 a svr supply voltage rejection i o = 5 ma, v i = 7 1 v t a = 25c f = 120 hz 76 db f = 1 khz 71 f = 10 khz 60 en output noise voltage b = 10 hz to 100 khz, t a = 25c 50 v v d dropout voltage i o = 200 ma 0.2 1.3 v i o = 500 ma 0.4 1.3 v il control input logic low 0.8 v v ih control input logic high 2 v i i control input current v i = 6 v, v c = 6 v, t a = 25c 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 24/49 table 20. electrical characteristics for lf60ab (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 8 v 5.9466.06 v i o = 50 ma, v i = 8 v, t a = -25 to 85c 5.88 6.12 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 7 to 16 v, i o = 5 ma 6 30 mv v o load regulation v i = 7.3 v, i o = 5 to 500 ma 6 30 mv i d quiescent current v i = 7 to 16v, i o = 0ma on mode 0.7 1.5 ma v i = 7.3 to 16v, i o =500ma 12 v i = 9 v off mode 70 140 a svr supply voltage rejection i o = 5 ma, v i = 8 1 v f = 120 hz 75 db f = 1 khz 70 f = 10 khz 60 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 9 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 25/49 table 21. electrical characteristics for lf60c (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 8 v 5.8866.12 v i o = 50 ma, v i = 8 v, t a = -25 to 85c 5.76 6.24 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 7 to 16 v, i o = 5 ma 6 30 mv v o load regulation v i = 7.3 v, i o = 5 to 500 ma 6 30 mv i d quiescent current v i = 7 to 16v, i o = 0ma on mode 0.7 1.5 ma v i = 7.3 to 16v, i o =500ma 12 v i = 9 v off mode 70 140 a svr supply voltage rejection i o = 5 ma, v i = 8 1 v f = 120 hz 75 db f = 1 khz 70 f = 10 khz 60 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 9 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 26/49 table 22. electrical characteristics for lf80ab (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 10 v 7.92 8 8.08 v i o = 50 ma, v i = 10 v, t a = -25 to 85c 7.84 8.16 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 9 to 16 v, i o = 5 ma 8 40 mv v o load regulation v i = 9.3 v, i o = 5 to 500 ma 8 40 mv i d quiescent current v i = 9 to 16v, i o = 0ma on mode 0.7 1.5 ma v i = 9.3 to 16v, i o =500ma 12 v i = 9 v off mode 70 140 a svr supply voltage rejection i o = 5 ma, v i = 10 1 v f = 120 hz 72 db f = 1 khz 67 f = 10 khz 57 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 9 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 27/49 table 23. electrical characteristics for lf80c (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 10 v 7.84 8 8.16 v i o = 50 ma, v i = 10 v, t a = -25 to 85c 7.68 8.32 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 9 to 16 v, i o = 5 ma 8 40 mv v o load regulation v i = 9.3 v, i o = 5 to 500 ma 8 40 mv i d quiescent current v i = 9 to 16v, i o = 0ma on mode 0.7 1.5 ma v i = 9.3 to 16v, i o =500ma 12 v i = 9 v off mode 70 140 a svr supply voltage rejection i o = 5 ma, v i = 10 1 v f = 120 hz 72 db f = 1 khz 67 f = 10 khz 57 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 9 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 28/49 table 24. electrical characteristics for lf80cdt-try (automotive grade) (refer to the test circuits, t a = -40 to 125c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 10 v, t a = 25c 7.84 8 8.16 v i o = 50 ma, v i = 10 v 7.665 8.335 v i operating input voltage i o = 500 ma 16 v i o output current limit t a = 25c 1 a v o line regulation v i = 9 to 16 v, i o = 5 ma 8 44 mv v o load regulation v i = 9.3 v, i o = 5 to 500 ma 8 44 mv i d quiescent current v i = 9 to 16v, i o = 0ma on mode 0.7 2.5 ma v i = 9.3 to 16v, i o =500ma 12 v i = 9 v off mode 70 160 a svr supply voltage rejection i o = 5 ma, v i = 10 1 v t a = 25c f = 120 hz 72 db f = 1 khz 67 f = 10 khz 57 en output noise voltage b = 10 hz to 100 khz, t a = 25c 50 v v d dropout voltage i o = 200 ma 0.2 1.3 v i o = 500 ma 0.4 1.3 v il control input logic low 0.8 v v ih control input logic high 2 v i i control input current v i = 9 v, v c = 6 v, t a = 25c 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 29/49 table 25. electrical characteristics for lf85ab (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 10.5 v 8.415 8.5 8.585 v i o = 50 ma, v i = 10.5 v, t a = -25 to 85c 8.33 8.67 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 9.5 to 16 v, i o = 5 ma 8 42 mv v o load regulation v i = 9.8 v, i o = 5 to 500 ma 8 42 mv i d quiescent current v i = 9.5 to 16v, i o = 0ma on mode 0.7 1.5 ma v i = 9.8 to 16v, i o =500ma 12 v i = 9 v off mode 70 140 a svr supply voltage rejection i o = 5 ma, v i = 10.5 1 v f = 120 hz 72 db f = 1 khz 67 f = 10 khz 57 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 9 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 30/49 table 26. electrical characteristics for lf85c (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 10.5 v 8.33 8.5 8.67 v i o = 50 ma, v i = 10.5 v, t a = -25 to 85c 8.16 8.84 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 9.5 to 16 v, i o = 5 ma 8 42 mv v o load regulation v i = 9.8 v, i o = 5 to 500 ma 8 42 mv i d quiescent current v i = 9.5 to 16v, i o = 0ma on mode 0.7 1.5 ma v i = 9.8 to 16v, i o =500ma 12 v i = 9 v off mode 70 140 a svr supply voltage rejection i o = 5 ma, v i = 10.5 1 v f = 120 hz 72 db f = 1 khz 67 f = 10 khz 57 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 9 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 31/49 table 27. electrical characteristics for lf85cdt-try and lf85cpt-try (automotive grade) (refer to the test circuits, t a = -40 to 25c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 10.5 v, t a = 25c 8.33 8.5 8.67 v i o = 50 ma, v i = 10.5 v 8.145 8.855 v i operating input voltage i o = 500 ma 16 v i o output current limit t a = 25c 1 a v o line regulation v i = 9.5 to 16 v, i o = 5 ma 8 44 mv v o load regulation v i = 9.8 v, i o = 5 to 500 ma 8 44 mv i d quiescent current v i = 9.5 to 16v, i o = 0ma on mode 0.7 2.5 ma v i = 9.8 to 16v, i o =500ma 12 v i = 9 v off mode 70 160 a svr supply voltage rejection i o = 5 ma, v i = 10.5 1 v t a = 25c f = 120 hz 72 db f = 1 khz 67 f = 10 khz 57 en output noise voltage b = 10 hz to 100 khz, t a = 25c 50 v v d dropout voltage i o = 200 ma 0.2 1.3 v i o = 500 ma 0.4 1.3 v il control input logic low 0.8 v v ih control input logic high 2 v i i control input current v i = 9 v, v c = 6 v, t a = 25c 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 32/49 table 28. electrical characteristics for lf90ab (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 11 v 8.91 9 9.09 v i o = 50 ma, v i = 11 v, t a = -25 to 85c 8.82 9.18 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 10 to 16 v, i o = 5 ma 9 45 mv v o load regulation v i = 10.3 v, i o = 5 to 500 ma 9 45 mv i d quiescent current v i = 10 to 16v, i o = 0ma on mode 0.7 1.5 ma v i = 10.3 to 16v, i o = 500ma 12 v i = 10 v off mode 70 140 a svr supply voltage rejection i o = 5 ma, v i = 11 1 v f = 120 hz 71 db f = 1 khz 66 f = 10 khz 56 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 10 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 33/49 table 29. electrical characteristics for lf90c (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 11 v 8.82 9 9.18 v i o = 50 ma, v i = 11 v, t a = -25 to 85c 8.64 9.36 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 10 to 16 v, i o = 5 ma 9 45 mv v o load regulation v i = 10.3 v, i o = 5 to 500 ma 9 45 mv i d quiescent current v i = 10 to 16v, i o = 0ma on mode 0.7 1.5 ma v i = 10.3 to 16v, i o = 500ma 12 v i = 10 v off mode 70 140 a svr supply voltage rejection i o = 5 ma, v i = 11 1 v f = 120 hz 71 db f = 1 khz 66 f = 10 khz 56 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 10 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
electrical characteristics lfxxab - lfxxc 34/49 table 30. electrical characteristics for lf120ab (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified.) symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 15 v 11.88 12 12.12 v i o = 50 ma, v i = 15 v, t a = -25 to 85c 11.76 12.24 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 13 to 16 v, i o = 5 ma 12 60 mv v o load regulation v i = 13.3 v, i o = 5 to 500 ma 12 60 mv i d quiescent current v i = 13 to 16v, i o = 0ma on mode 0.7 1.5 ma v i = 13.3 to 16v, i o = 500ma 12 v i = 13 v off mode 70 140 a svr supply voltage rejection i o = 5 ma, v i = 14 1 v f = 120 hz 69 db f = 1 khz 64 f = 10 khz 54 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 13 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
lfxxab - lfxxc electrical characteristics 35/49 table 31. electrical characteristics for lf120c (refer to the test circuits, t j = 25 c, c i = 0.1 f, c o = 2.2 f unless otherwise specified). symbol parameter test conditions min. typ. max. unit v o output voltage i o = 50 ma, v i = 14 v 11.76 12 12.24 v i o = 50 ma, v i = 14 v, t a = -25 to 85c 11.52 12.48 v i operating input voltage i o = 500 ma 16 v i o output current limit 1 a v o line regulation v i = 13 to 16 v, i o = 5 ma 12 60 mv v o load regulation v i = 13.3 v, i o = 5 to 500 ma 12 60 mv i d quiescent current v i = 13 to 16v, i o = 0ma on mode 0.7 1.5 ma v i = 13.3 to 16v, i o = 500ma 12 v i = 13 v off mode 70 140 a svr supply voltage rejection i o = 5 ma, v i = 14 1 v f = 120 hz 69 db f = 1 khz 64 f = 10 khz 54 en output noise voltage b = 10 hz to 100 khz 50 v v d dropout voltage i o = 200 ma 0.2 0.35 v i o = 500 ma 0.4 0.7 v il control input logic low t a = -40 to 125c 0.8 v v ih control input logic high t a = -40 to 125c 2 v i i control input current v i = 13 v, v c = 6 v 10 a c o output bypass capacitance esr = 0.1 to 10 , i o = 0 to 500 ma 2 10 f
typical performance characteristics lfxxab - lfxxc 36/49 5 typical performance characteristics (unless otherwise specified v o(nom) = 3.3 v) figure 4. dropout voltage vs output current figure 5. dropout voltage vs temperature figure 6. supply current vs input voltage figure 7. supply current vs input voltage figure 8. short circuit current vs input voltage figure 9. supply current vs temperature
lfxxab - lfxxc typical performance characteristics 37/49 figure 10. logic controlled precision 3.3/5.0 v selectable output figure 11. sequential multi-output supply
typical performance characteristics lfxxab - lfxxc 38/49 figure 12. multiple supply with on/off toggle switch figure 13. basic inhibit functions
lfxxab - lfxxc typical performance characteristics 39/49 figure 14. delayed turn-on figure 15. low voltage bulb blinker
package mechanical data lfxxab - lfxxc 40/49 6 package mechanical data in order to meet environmental requirements, st offers these devices in ecopack ? packages. these packages have a lead-free second level interconnect. the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com.
lfxxab - lfxxc package mechanical data 41/49 dim. mm. inch. min. typ. max. min. typ. max. a4. 8 0.1 89 c1. 3 7 0.054 d 2.4 2. 8 0.0 9 4 0.110 d1 1.2 1. 3 5 0.047 0.05 3 e0. 3 5 0.55 0.014 0.022 f0. 8 1.05 0.0 3 1 0.041 f1 1 1.4 0.0 39 0.055 g 3 .2 3 .4 3 .6 0.126 0.1 3 4 0.142 g1 6.6 6. 8 7 0.260 0.26 8 0.276 h2 10.4 0.40 9 h 3 10.05 10.4 0. 39 6 0.40 9 l 17. 8 5 0.70 3 l1 15.75 0.620 l2 21.4 0. 8 4 3 l 3 22.5 0. 88 6 l5 2.6 3 0.102 0.11 8 l6 15.1 15. 8 0.5 9 4 0.622 l7 6 6.6 0.2 3 6 0.260 m 4.5 0.177 m1 4 0.157 di a 1 3 .65 3 . 8 5 0.144 0.152 pentawatt (vertical) mechanical data p010e
package mechanical data lfxxab - lfxxc 42/49 dim. mm. inch. min. typ. max. min. typ. max. a 4.40 4.60 0.17 3 0.1 8 1 c1.2 3 1. 3 2 0.04 8 0.051 d 2.40 2.72 0.0 9 4 0.107 d1 1.27 0.050 e0.4 9 0.70 0.01 9 0.027 f 0.61 0. 88 0.024 0.0 3 4 f1 1.14 1.70 0.044 0.067 f2 1.14 1.70 0.044 0.067 g4. 9 5 5.15 0.1 9 4 0.20 3 g1 2.4 2.7 0.0 9 4 0.106 h2 10.0 10.40 0. 393 0.40 9 l2 16.4 0.645 l4 1 3 .0 14.0 0.511 0.551 l5 2.65 2. 9 5 0.104 0.116 l6 15.25 15.75 0.600 0.620 l7 6.2 6.6 0.244 0.260 l 93 .5 3 . 93 0.1 3 7 0.154 dia. 3 .75 3 . 8 5 0.147 0.151 to-220 mechanical data p011c
lfxxab - lfxxc package mechanical data 43/49 dim. mm. inch. min. typ max. min. typ. max. a 4.40 4.60 0.17 3 0.1 8 1 b 2.5 2.7 0.0 98 0.106 d 2.5 2.75 0.0 98 0.10 8 e 0.45 0.70 0.017 0.027 f 0.75 1 0.0 3 00.0 39 f1 1.15 1.50 0.045 0.05 9 f2 1.15 1.50 0.045 0.05 9 g4. 9 5 5.2 0.1 9 4 0.204 g1 2.4 2.7 0.0 9 4 0.106 h 10.0 10.40 0. 393 0.40 9 l2 16 0.6 3 0 l 3 2 8 .6 3 0.6 1.126 1.204 l4 9 . 8 10.6 0. 38 50.417 l5 2. 93 .6 0.114 0.142 l6 15. 9 16.4 0.626 0.645 l7 99 . 3 0. 3 54 0. 3 66 dia. 33 .2 0.11 8 0.126 to-220fp mechanical data 7012510a- h
package mechanical data lfxxab - lfxxc 44/49 dim. mm. inch. min. typ. max. min. typ. max. a 2.2 2.4 0.0 8 6 0.0 9 4 a1 0. 9 1.1 0.0 3 5 0.04 3 a2 0.0 3 0.2 3 0.001 0.00 9 b 0.64 0. 9 0.025 0.0 3 5 b 4 5.2 5.4 0.204 0.212 c 0.45 0.6 0.017 0.02 3 c2 0.4 8 0.6 0.01 9 0.02 3 d 6 6.2 0.2 3 6 0.244 d1 5.1 0.200 e 6.4 6.6 0.252 0.260 e1 4.7 0.1 8 5 e2.2 8 0.0 9 0 e1 4.4 4.6 0.17 3 0.1 8 1 h 9 . 3 5 10.1 0. 3 6 8 0. 39 7 l 1 0.0 39 (l1) 2. 8 0.110 l2 0. 8 0.0 3 1 l4 0.6 1 0.02 3 0.0 39 r 0.2 0.00 8 v2 0 8 0 8 dpak mechanical data 006 8 772-f
lfxxab - lfxxc package mechanical data 45/49 dim. mm. inch. min. typ. max. min. typ. max. a 2.2 2.4 0.0 8 6 0.0 9 4 a1 0. 9 1.1 0.0 3 5 0.04 3 a2 0.0 3 0.2 3 0.001 0.00 9 b 0.4 0.6 0.015 0.02 3 b2 5.2 5.4 0.204 0.212 c 0.45 0.6 0.017 0.02 3 c2 0.4 8 0.6 0.01 9 0.02 3 d 6 6.2 0.2 3 6 0.244 d1 5.1 0.201 e 6.4 6.6 0.252 0.260 e1 4.7 0.1 8 5 e 1.27 0.050 g4. 9 5.25 0.1 93 0.206 g1 2. 38 2.7 0.0 93 0.106 h 9 . 3 5 10.1 0. 3 6 8 0. 39 7 l2 0. 8 1 0.0 3 1 0.0 39 l4 0.6 1 0.02 3 0.0 39 l5 1 0.0 39 l6 2. 8 0.110 ppak mechanical data 007 8 1 8 0-e
package mechanical data lfxxab - lfxxc 46/49 dim. mm. inch. min. typ. max. min. typ. max. a 33 0 12. 99 2 c12. 8 1 3 .0 1 3 .2 0.504 0.512 0.51 9 d 20.2 0.7 9 5 n60 2. 3 62 t22.40. 88 2 ao 6. 8 06. 9 0 7.00 0.26 8 0.272 0.2.76 bo 10.40 10.50 10.60 0.40 9 0.41 3 0.417 ko 2.55 2.65 2.75 0.100 0.104 0.105 po 3 . 9 4.0 4.1 0.15 3 0.157 0.161 p7. 98 .0 8 .1 0. 3 11 0. 3 15 0. 3 1 9 tape & reel dpak-ppak mechanical data
lfxxab - lfxxc order codes 47/49 7 order codes table 32. order codes packages output voltage to-220 to-220fp dpak dpak (t&r) ppak ppak (t&r) lf15cv (1) 1. available on request. lf15cp (1) lf15cpt (1) lf15cpt-tr (1) 1.5 v lf15abv (1) lf15abp (1) lf15abdt-tr lf15abpt (1) 1.5 v lf18cp (1) lf18cdt-tr lf18cpt-tr 1.8 v lf18cdt-try (2) 2. automotive grade products. 1.8 v lf18abp (1) lf18abdt-tr lf18abpt-tr 1.8 v lf25cp (1) lf25cdt-tr lf25cpt-tr 2.5 v lf25cdt-try (2) 2.5 v lf25abp (1) lf25abdt-tr lf25abpt (1) 2.5 v lf25abdt-try (2) 2.5 v lf33cv lf33cdt-tr lf33cpt-tr 3.3 v lf33cdt-try (2) lf33cpt-try (2) 3.3 v lf33abv lf33abdt-tr 3.3 v lf47cv 4.7 v lf50cv lf50cp lf50cdt-tr lf50cpt-tr 5 v lf50cdt-try (2) LF50CPT-TRY (2) 5 v lf50abv lf50abp lf50abdt-tr lf50abpt-tr 5 v lf50abdt-try (2) 5 v lf60cv lf60cp (1) lf60cdt-tr lf60cpt-tr (1) 6 v lf60abv lf60abp (1) lf60abdt-tr lf60abpt (1) lf60abpt-tr (1) 6 v lf80cv lf80cp (1) lf80cdt-tr lf80cpt-tr 8 v lf80cdt-try (2) 8 v lf80abv lf80abp (1) lf80abdt-tr 8 v lf85cdt-tr lf85cpt-tr 8.5 v lf85cdt-try (2) lf85cpt-try (2) 8.5 v lf85abpt (1) lf85abpt-tr 8.5 v lf90cv lf90cp (1) lf90cdt-tr lf90cpt-tr 9 v lf90abp (1) lf90abdt (1) lf90abdt-tr lf90abpt-tr 9 v lf120cp (1) lf120cdt-tr 12 v lf120abv lf120 abdt-tr lf120abpt (1) 12 v
revision history lfxxab - lfxxc 48/49 8 revision history table 33. document revision history date revision changes 21-jun-2004 14 document updating. 24-may-2006 15 order codes updated. 02-apr-2007 16 order codes updated. 14-may-2007 17 order codes updated. 26-jul-2007 18 add ta bl e 1 in cover page. 26-nov-2007 19 modified: ta b l e 3 2 . 16-jan-2008 20 added new order codes for automotive grade products see table 32 on page 47 . 12-feb-2008 21 modified: table 32 on page 47 . 10-jul-2008 22 modified: table 32 on page 47 .
lfxxab - lfxxc 49/49 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 parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by an authorized st representative, st products are not recommended, authorized or warranted for use in milita ry, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements 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 registered 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. ? 2008 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 - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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