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this is information on a product in full production. march 2014 docid2148 rev 8 1/35 l78s 2 a positive voltage regulator ic datasheet - production data features ? output current up to 2 a ? output voltages of 5; 7.5; 9; 10; 12; 15; 18; 24 v ? thermal protection ? short circuit protection ? output transition soa protection description the l78s series of three-terminal positive regulators is available in to-220 package and several fixed output voltages, making it useful in a wide range of applications. these regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. each type embeds internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. if adequate heat sinking is provided, they can deliver over 2 a output current. although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents. to-220 table 1. device summary part numbers to-220 packages output voltage dual gauge single gauge l78s05c l78s05cv-dg l78s05cv 5 v l78s75c L78S75CV-DG l78s75cv 7.5 v l78s09c l78s09cv-dg l78s09cv 9 v l78s10c l78s10cv-dg l78s10cv 10 v l78s12c l78s12cv-dg l78s12cv 12 v l78s15c l78s15cv-dg l78s15cv 15 v l78s18c l78s18cv 18 v l78s24c l78s24cv 24 v www.st.com
contents l78s 2/35 docid2148 rev 8 contents 1 diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6 typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 8 packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 9 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
docid2148 rev 8 3/35 l78s list of tables 35 list of tables table 1. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 table 2. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 3. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 4. electrical characteristics of l78s05c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 5. electrical characteristics of l78s75c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 table 6. electrical characteristics of l78s09c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 7. electrical characteristics of l78s10c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 table 8. electrical characteristics of l78s12c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 table 9. electrical characteristics of l78s15c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 table 10. electrical characteristics of l78s18c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 table 11. electrical characteristics of l78s24c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 table 12. to-220 (dual gauge) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 table 13. to-220 sg (single gauge) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 table 14. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
list of figures l78s 4/35 docid2148 rev 8 list of figures figure 1. block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 4. application circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 figure 5. dc parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 6. load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 7. ripple rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 8. dropout voltage vs. junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 9. peak output current vs. input/output differential voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 10. output impedance vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 11. output voltage vs. junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 12. supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 13. quiescent current vs. junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 14. load transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 15. line transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 16. quiescent current vs. input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 17. fixed output regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 18. constant current regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 19. circuit for increasing output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 20. adjustable output regulator (7 to 30 v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 21. 0.5 to 10 v regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 22. high current voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 23. high output current with short circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 figure 24. tracking voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 25. positive and negative regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 26. negative output voltage circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 27. switching regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 28. high input voltage circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 29. high input voltage circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 figure 30. high output voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 figure 31. high input and output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 figure 32. reducing power dissipation with dropping resistor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 figure 33. remote shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 figure 34. power am modulator (unity voltage gain, i o 1 a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 figure 35. adjustable output voltage with temperature compensation . . . . . . . . . . . . . . . . . . . . . . . . 26 figure 36. light controllers (v omin = v xx + v be ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 figure 37. protection against input short-circuit with high capacitance loads . . . . . . . . . . . . . . . . . . . 27 figure 38. to-220 (dual gauge) drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 figure 39. to-220 sg (single gauge) drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 figure 40. tube for to-220 (dual gauge) (mm.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 figure 41. tube for to-220 (single gauge) (mm.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3
docid2148 rev 8 5/35 l78s diagram 35 1 diagram figure 1. block diagram
pin configuration l78s 6/35 docid2148 rev 8 2 pin configuration figure 2. pin connections (top view) 7 2 *5281' * 5 2 8 1 ' figure 3. schematic diagram
docid2148 rev 8 7/35 l78s maximum ratings 35 3 maximum ratings note: absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these condition is not implied. table 2. absolute maximum ratings symbol parameter value unit v i dc input voltage for v o = 5 to 18v 35 v for v o = 24v 40 i o output current internally limited p d power dissipation internally limited t stg storage temperature range -65 to 150 c t op operating junction temperature range 0 to 150 c table 3. thermal data symbol parameter to-220 unit r thjc thermal resistance junction-case 5 c/w r thja thermal resistance junction-ambient 50 c/w figure 4. application circuits 4
test circuits l78s 8/35 docid2148 rev 8 4 test circuits figure 5. dc parameter 4 figure 6. load regulation 4 figure 7. ripple rejection 4
docid2148 rev 8 9/35 l78s electrical characteristics 35 5 electrical characteristics refer to the test circuits, t j = 25 c, v i = 10 v, i o = 500 ma, unless otherwise specified. table 4. electrical characteristics of l78s05c symbol parameter test conditions min. typ. max. unit v o output voltage 4.8 5 5.2 v v o output voltage i o = 1 a, v i = 7 v 4.75 5 5.25 v v o line regulation v i = 7 to 25 v 100 mv v i = 8 to 25 v 50 v o load regulation i o = 20 ma to 1.5 a 100 mv i o = 2 a 80 i q quiescent current 8 ma i q quiescent current change i o = 20 ma to 1 a 0.5 ma v i = 7 to 25 v, i o = 20 ma 1.3 v o / t output voltage drift i o = 5 ma, t j = 0 c to 70 c -1.1 mv/c en output noise voltage b = 10 hz to 100 khz 40 v svr supply voltage rejection f = 120 hz 54 (1) db v i operating input voltage i o 1 a 8 v r o output resistance f = 1 khz 17 m i sc short circuit current v i = 27 v 500 ma i scp short circuit peak current 3 a 1. guaranteed by design.
electrical characteristics l78s 10/35 docid2148 rev 8 refer to the test circuits, t j = 25 c, v i = 12.5 v, i o = 500 ma, unless otherwise specified. table 5. electrical characteristics of l78s75c symbol parameter test conditions min. typ. max. unit v o output voltage 7.15 7.5 7.9 v v o output voltage i o = 1 a, v i = 9.5 v 7.1 7.5 7.95 v v o line regulation v i = 9.5 to 25 v 120 mv v i = 10.5 to 20 v 60 v o load regulation i o = 20 ma to 1.5 a 140 mv i o = 2 a 100 i q quiescent current 8 ma i q quiescent current change i o = 20 ma to 1 a 0.5 ma v i = 9.5 to 25 v, i o = 20 ma 1.3 v o / t output voltage drift i o = 5 ma, t j = 0 c to 70 c -0.8 mv/c en output noise voltage b = 10 hz to 100 khz 52 v svr supply voltage rejection f = 120 hz 48 (1) db v i operating input voltage i o 1 a 10.5 v r o output resistance f = 1 khz 16 m i sc short circuit current v i = 27 v 500 ma i scp short circuit peak current 3 a 1. guaranteed by design.
docid2148 rev 8 11/35 l78s electrical characteristics 35 refer to the test circuits, t j = 25 c, v i = 14 v, i o = 500 ma, unless otherwise specified. table 6. electrical characteristics of l78s09c symbol parameter test conditions min. typ. max. unit v o output voltage 8.65 9 9.35 v v o output voltage i o = 1 a, v i = 11 v 8.6 9 9.4 v v o line regulation v i = 11 to 25 v 130 mv v i = 11 to 20 v 65 v o load regulation i o = 20 ma to 1.5 a 170 mv i o = 2 a 100 i q quiescent current 8 ma i q quiescent current change i o = 20 ma to 1 a 0.5 ma v i = 11 to 25 v, i o = 20 ma 1.3 v o / t output voltage drift i o = 5 ma, t j = 0 c to 70 c -1 mv/c en output noise voltage b = 10 hz to 100 khz 60 v svr supply voltage rejection f = 120 hz 47 (1) db v i operating input voltage i o 1 a 12 v r o output resistance f = 1 khz 17 m i sc short circuit current v i = 27 v 500 ma i scp short circuit peak current 3 a 1. guaranteed by design.
electrical characteristics l78s 12/35 docid2148 rev 8 refer to the test circuits, t j = 25 c, v i = 15 v, i o = 500 ma, unless otherwise specified. table 7. electrical characteristics of l78s10c symbol parameter test conditions min. typ. max. unit v o output voltage 9.5 10 10.5 v v o output voltage i o = 1 a, v i = 12.5 v 9.4 10 10.6 v v o line regulation v i = 12.5 to 30 v 200 mv v i = 14 to 22 v 100 v o load regulation i o = 20 ma to 1.5 a 240 mv i o = 2 a 150 i q quiescent current 8 ma i q quiescent current change i o = 20 ma to 1 a 0.5 ma v i = 12.5 to 30 v, i o = 20 ma 1 v o / t output voltage drift i o = 5 ma, t j = 0 c to 70 c -1 mv/c en output noise voltage b = 10 hz to 100 khz 65 v svr supply voltage rejection f = 120 hz 47 (1) db v i operating input voltage i o 1 a 13 v r o output resistance f = 1 khz 17 m i sc short circuit current v i = 27 v 500 ma i scp short circuit peak current 3 a 1. guaranteed by design.
docid2148 rev 8 13/35 l78s electrical characteristics 35 refer to the test circuits, t j = 25 c, v i = 19 v, i o = 500 ma, unless otherwise specified. table 8. electrical characteristics of l78s12c symbol parameter test conditions min. typ. max. unit v o output voltage 11.5 12 12.5 v v o output voltage i o = 1 a, v i = 14.5 v 11.4 12 12.6 v v o line regulation v i = 14.5 to 30 v 240 mv v i = 16 to 22 v 120 v o load regulation i o = 20 ma to 1.5 a 240 mv i o = 2 a 150 i q quiescent current 8 ma i q quiescent current change i o = 20 ma to 1 a 0.5 ma v i = 14.5 to 30 v, i o = 20 ma 1 v o / t output voltage drift i o = 5 ma, t j = 0 c to 70 c -1 mv/c en output noise voltage b =10 hz to 100 khz 75 v svr supply voltage rejection f = 120 hz 47 (1) db v i operating input voltage i o 1 a 15 v r o output resistance f = 1 khz 18 m i sc short circuit current v i = 27 v 500 ma i scp short circuit peak current 3 a 1. guaranteed by design.
electrical characteristics l78s 14/35 docid2148 rev 8 refer to the test circuits, t j = 25 c, v i = 23 v, i o = 500 ma, unless otherwise specified. table 9. electrical characteristics of l78s15c symbol parameter test conditions min. typ. max. unit v o output voltage 14.4 15 15.6 v v o output voltage i o = 1 a, v i = 17.5 v 14.25 15 15.75 v v o line regulation v i = 17.5 to 30 v 300 mv v i = 20 to 26 v 150 v o load regulation i o = 20 ma to 1.5 a 300 mv i o = 2 a 150 i q quiescent current 8 ma i q quiescent current change i o = 20 ma to 1 a 0.5 ma v i = 17.5 to 30 v, i o = 20 ma 1 v o / t output voltage drift i o = 5 ma, t j = 0 c to 70 c -1 mv/c en output noise voltage b =10 hz to 100 khz 90 v svr supply voltage rejection f = 120 hz 46 (1) db v i operating input voltage i o 1 a 18 v r o output resistance f = 1 khz 19 m i sc short circuit current v i = 27 v 500 ma i scp short circuit peak current 3 a 1. guaranteed by design.
docid2148 rev 8 15/35 l78s electrical characteristics 35 refer to the test circuits, t j = 25 c, v i = 26 v, i o = 500 ma, unless otherwise specified. table 10. electrical characteristics of l78s18c symbol parameter test conditions min. typ. max. unit v o output voltage 17.1 18 18.9 v v o output voltage i o = 1 a, v i = 20.5 v 17 18 19 v v o line regulation v i = 20.5 to 30 v 360 mv v i = 22 to 28 v 180 v o load regulation i o = 20 ma to 1.5 a 360 mv i o = 2 a 200 i q quiescent current 8 ma i q quiescent current change i o = 20 ma to 1 a 0.5 ma v i = 20.5 to 30 v, i o = 20 ma 1 v o / t output voltage drift i o = 5 ma, t j = 0 c to 70 c -1 mv/c en output noise voltage b =10 hz to 100 khz 110 v svr supply voltage rejection f = 120 hz 43 (1) db v i operating input voltage i o 1 a 21 v r o output resistance f = 1 khz 22 m i sc short circuit current v i = 27 v 500 ma i scp short circuit peak current 3 a 1. guaranteed by design.
electrical characteristics l78s 16/35 docid2148 rev 8 refer to the test circuits, t j = 25 c, v i = 33 v, i o = 500 ma, unless otherwise specified. table 11. electrical characteristics of l78s24c symbol parameter test conditions min. typ. max. unit v o output voltage 23 24 25 v v o output voltage i o = 1 a, v i = 27 v 22.82425.2 v v o line regulation v i = 27 to 38 v 480 mv v i = 30 to 36 v 240 v o load regulation i o = 20 ma to 1.5 a 480 mv i o = 2 a 300 i q quiescent current 8 ma i q quiescent current change i o = 20 ma to 1 a 0.5 ma v i = 27 to 38 v, i o = 20 ma 1 v o / t output voltage drift i o = 5 ma, t j = 0 c to 70 c -1.5 mv/c en output noise voltage b = 10 hz to 100 khz 170 v svr supply voltage rejection f = 120 hz 42 (1) db v i operating input voltage i o 1 a 27 v r o output resistance f = 1 khz 28 m i sc short circuit current v i = 27 v 500 ma i scp short circuit peak current 3 a 1. guaranteed by design.
docid2148 rev 8 17/35 l78s typical performance 35 6 typical performance figure 8. dropout voltage vs. junction temperature figure 9. peak output current vs. input/output differential voltage figure 10. output impedance vs. frequency figure 11. output voltage vs. junction temperature
typical performance l78s 18/35 docid2148 rev 8 figure 12. supply voltage rejection vs. frequency figure 13. quiescent current vs. junction temperature figure 14. load transient response figure 15. line transient response figure 16. quiescent current vs. input voltage
docid2148 rev 8 19/35 l78s typical performance 35 1. although no output capacitor is need for stabi lity, it does improv e transient response. 2. required if regulator is located an apprec iable distance from power supply filter. figure 17. fixed output regulator figure 18. constant current regulator , 2 9 ;; ; ; 5 , g 4 figure 19. circuit for increasing output voltage , 5 , g 9 2 9 ;; ; ; 5 5 5 , g 5 { 4
typical performance l78s 20/35 docid2148 rev 8 figure 20. adjustable output regulator (7 to 30 v) figure 21. 0.5 to 10 v regulator v o =v xx r 4 /r 1
docid2148 rev 8 21/35 l78s typical performance 35 figure 22. high current voltage regulator 5 , 2 , 5(* 4 , 5(* b 9 bbbb %(4 b 9 %(4 5 bbbbbbbbbbbbbb , 5(4 , 4 e 4 4 figure 23. high output current wi th short circuit protection 5 6& 6 & 9 %( % ( 4 4 , 6& 6 & 4
typical performance l78s 22/35 docid2148 rev 8 figure 24. tracking voltage regulator 4 figure 25. positive and negative regulator
docid2148 rev 8 23/35 l78s typical performance 35 figure 26. negative output voltage circuit figure 27. switching regulator figure 28. high input voltage circuit 9 , 1 9 , 9 9 = 9 %( % ( 4
typical performance l78s 24/35 docid2148 rev 8 figure 29. high input voltage circuit 4 figure 30. high output voltage regulator 4 figure 31. high input and output voltage 9 2 9 ;; ; ; 9 = 4
docid2148 rev 8 25/35 l78s typical performance 35 figure 32. reducing power dissipation with dropping resistor 9 9 9 9 9 5 b b ,pl , p l bb b b b q q bbb b b b b ;; ; ; bb b b b ' 5 2 bbb b b b b 3 pd[ p d [ bb b b b b , 2 p d [ [ , g pd[ p d [ 4 figure 33. remote shutdown 4
typical performance l78s 26/35 docid2148 rev 8 note: the circuit performs well up to 100 khz. note: q 2 is connected as a diode in order to compensate the variation of the q 1 v be with the temperature. c allows a slow rise time of the v o . figure 34. power am modulator (unity voltage gain, i o 1 a) 4 figure 35. adjustable output voltage with temperature compensation 9 2 9 ;; 5 5 9 %( 4
docid2148 rev 8 27/35 l78s typical performance 35 1. application with high capacitance loads and an output voltage greater than 6 volts need an external diode (see figure 30 on page 24 ) to protect the device agains t input short circuit. in this case the input voltage falls rapidly while the output voltage decrease slowly . the capacitance discharges by means of the base- emitter junction of the series pass transistor in the regul ator. if the energy is sufficiently high, the transistor may be destroyed. the external diode by-passes the current from the ic to ground. figure 36. light controllers (v omin = v xx + v be ) 9 2 ulvhvzkhqwkholjkwjrhvxs 9 2 idoovzkhqw kholjkw jrhvxs figure 37. protection against input short-circuit with high capacitance loads 4
package mechanical data l78s 28/35 docid2148 rev 8 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.
docid2148 rev 8 29/35 l78s package mechanical data 35 figure 38. to-220 (dual gauge) drawing bw\sh$b5hyb7
package mechanical data l78s 30/35 docid2148 rev 8 table 12. to-220 (dual gauge) mechanical data dim. mm min. typ. max. a4.40 4.60 b0.61 0.88 b1 1.14 1.70 c0.48 0.70 d 15.25 15.75 d1 1.27 e 10 10.40 e2.40 2.70 e1 4.95 5.15 f1.23 1.32 h1 6.20 6.60 j1 2.40 2.72 l13 14 l1 3.50 3.93 l20 16.40 l30 28.90 ? p3.75 3.85 q2.65 2.95
docid2148 rev 8 31/35 l78s package mechanical data 35 figure 39. to-220 sg (single gauge) drawing buhy'
package mechanical data l78s 32/35 docid2148 rev 8 table 13. to-220 sg (single gauge) mechanical data dim. mm min. typ. max. a 4.40 4.60 b 0.61 0.88 b1 1.14 1.70 c 0.48 0.70 d 15.25 15.75 e 10 10.40 e 2.40 2.70 e1 4.95 5.15 f 0.51 0.60 h1 6.20 6.60 j1 2.40 2.72 l13 14 l1 3.50 3.93 l20 16.40 l30 28.90 ? p 3.75 3.85 q 2.65 2.95
docid2148 rev 8 33/35 l78s packaging mechanical data 35 8 packaging mechanical data figure 40. tube for to-220 (dual gauge) (mm.) figure 41. tube for to-220 (single gauge) (mm.)
revision history l78s 34/35 docid2148 rev 8 9 revision history table 14. document revision history date revision changes 07-sep-2006 2 order codes updated. 20-mar-2008 3 added: table 1 on page 1 . 22-mar-2010 4 added: table 20 on page 32 , figure 38 on page 33 , figure 39 on page 34 , figure 40 and figure 41 on page 33 . 08-feb-2012 5 added: order codes l78s05cv-dg, l78s12cv-dg and l78s15cv-dg table 13 on page 35 . 09-mar-2012 6 added: order codes l78s09cv-dg table 13 on page 35 . 15-may-2012 7 added: order codes L78S75CV-DG and l78s10cv-dg table 13 on page 35 . 10-mar-2014 8 part numbers l78sxx and l78sxxc changed to l78s. modified the title, the features and the description in cover page. removed to-3 package. updated table 1: device summary , section 2: pin configuration , section 3: maximum ratings , section 4: test circuits , section 5: electrical characteristics , section 6: typical performance , section 7: package mechanical data , section 9: order codes . added section 8: packaging mechanical data . minor text changes.
docid2148 rev 8 35/35 l78s 35 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 particular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. st products are not designed or authorized for use in: (a) safety critical applications such as life supporting, active implanted devices or systems with product functional safety requirements; (b) aeronautic applications; (c) automotive applications or environments, and/or (d) aerospace applications or environments. where st products are not designed for such use, the purchaser shall use products at purchaser?s sole risk, even if st has been informed in writing of such usage, unless a product is expressly designated by st as being intended for ?automotive, automotive safety or medical? industry domains according to st product design specifications. products formally escc, qml or jan qualified are deemed suitable for use in aerospace by the corresponding governmental agency. resale of st products with provisions different from the statem ents 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 register ed 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. ? 2014 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 - philippines - singapore - spain - swed en - switzerland - united kingdom - united states of america www.st.com

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