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august 2007 rev. 16 1/52 52 l78xx l78xxc positive voltage regulators features output current to 1.5 a output voltages of 5; 5.2; 6; 8; 8.5; 9; 10; 12; 15; 18; 20; 24 v thermal overload protection short circuit protection output transition soa protection description the l78xx series of three-terminal positive regulators is available in to-220, to-220fp, to-3 and d 2 pak packages and several fixed output voltages, making it useful in a wide range of applications. these regulators can provide local on-card regulati on, eliminating the distribution problems associated with single point regulation. each type employs internal current limiting, thermal shut-down and safe area protection, making it esse ntially indestructible. if adequate heat sinking is provided, they can deliver over 1 a output current. although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltage and currents. to-220fp d 2 pak to-220 to-3 table 1. device summary order codes l7805 l7810c l7805c l7812c l7852c l7815c l7806c l7818c l7808c l7820c l7885c l7824c l7809c www.st.com
l78xx - l78xxc 2/52 contents 1 diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 electrical characteristi cs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6 typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 7 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 8 order code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 9 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
l78xx - l78xxc list of figures 3/52 list of figures figure 1. block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 4. application circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 5. dc parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 figure 6. load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 figure 7. ripple rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 8. dropout voltage vs junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 figure 9. peak output current vs input/output differential voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 figure 10. supply voltage rejection vs frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 figure 11. output voltage vs junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 figure 12. output impedance vs frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 figure 13. quiescent current vs junction temp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 figure 14. load transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 figure 15. line transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 figure 16. quiescent current vs input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 figure 17. fixed output regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 figure 18. current regulator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 figure 19. circuit for increasing output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 figure 20. adjustable output regulator (7 to 30 v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 figure 21. 0.5 to 10 v regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 figure 22. high current voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 figure 23. high output current with short circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 4 figure 24. tracking voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 figure 25. split power supply ( 15 v - 1 a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 figure 26. negative output voltage circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 figure 27. switching regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 figure 28. high input voltage circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 figure 29. high input voltage circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 figure 30. high output voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 figure 31. high input and output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 figure 32. reducing power dissipation with dropping resistor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 figure 33. remote shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 figure 34. power am modulator (unity voltage gain, i o 0.5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 figure 35. adjustable output voltage with temperature compensation . . . . . . . . . . . . . . . . . . . . . . . . 39 figure 36. light controllers (v omin = v xx + v be ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 figure 37. protection against input short-circuit with high capacitance loads . . . . . . . . . . . . . . . . . . . 40 figure 38. drawing dimension d 2 pak (type std-st). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 figure 39. drawing dimension d 2 pak (type wooseok-subcon.) . . . . . . . . . . . . . . . . . . . . . . . . . 46 figure 40. d 2 pak footprint recommended data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
list of tables l78xx - l78xxc 4/52 list of tables table 1. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 table 2. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 3. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 4. electrical characteristics of l7805 (refer to the test circuits, t j = -55 to 150c, v i = 10 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 11 table 5. electrical characteristics of l7806 (refer to the test circuits, t j = -55 to 150c, v i = 11 v,i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . . 12 table 6. electrical characteristics of l7808 (refer to the test circuits, t j = -55 to 150c, v i = 14v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . . 13 table 7. electrical characteristics of l7812 (refer to the test circuits, t j = -55 to 150c, v i = 19 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 14 table 8. electrical characteristics of l7815 (refer to the test circuits, t j = -55 to 150c, v i = 23 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 15 table 9. electrical characteristics of l7818 (refer to the test circuits, t j = -55 to 150c, v i = 26 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 16 table 10. electrical characteristics of l7820 (refer to the test circuits, t j = -55 to 150c, v i = 28 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 17 table 11. electrical characteristics of l7824 (refer to the test circuits, t j = -55 to 150c, v i = 33 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 18 table 12. electrical characteristics of l 7805c (refer to the test circuits, t j = 0 to 150c, v i = 10 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 19 table 13. electrical characteristics of l 7852c (refer to the test circuits, t j = 0 to 150c, v i = 10 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 20 table 14. electrical characteristics of l 7806c (refer to the test circuits, t j = 0 to 150c, v i = 11 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 21 table 15. electrical characteristics of l 7808c (refer to the test circuits, t j = 0 to 150c, v i = 14 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 22 table 16. electrical characteristics of l 7885c (refer to the test circuits, t j = 0 to 150c, v i = 14.5 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . 23 table 17. electrical characteristics of l 7809c (refer to the test circuits, t j = 0 to 150c, v i = 15 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 24 table 18. electrical characteristics of l 7810c (refer to the test circuits, t j = 0 to 150c, v i = 15 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 25 table 19. electrical characteristics of l 7812c (refer to the test circuits, t j = 0 to 150c, v i = 19 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 26 table 20. electrical characteristics of l 7815c (refer to the test circuits, t j = 0 to 150c, v i = 23 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 27 table 21. electrical characteristics of l 7818c (refer to the test circuits, t j = 0 to 150c, v i = 26 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 28 table 22. electrical characteristics of l 7820c (refer to the test circuits, t j = 0 to 150c, v i = 28 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 29 table 23. electrical characteristics of l 7824c (refer to the test circuits, t j = 0 to 150c, v i = 33 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) . . . . . . . . 30 table 24. d 2 pak mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 table 25. footprint data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 table 26. order code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 table 27. revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
l78xx - l78xxc diagram 5/52 1 diagram figure 1. block diagram
pin configuration l78xx - l78xxc 6/52 2 pin configuration figure 2. pin connections (top view) to220fp to-3 to-220 d 2 pak (any type) figure 3. schematic diagram
l78xx - l78xxc maximum ratings 7/52 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 18 v 35 v for v o = 20, 24 v 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 for l7800 -55 to 150 c for l7800c 0 to 150 table 3. thermal data symbol parameter d 2 pak to-220 to-220fp to-3 unit r thjc thermal resistance junction-case 3 5 5 4 c/w r thja thermal resistance juncti on-ambient 62.5 50 60 35 c/w
maximum ratings l78xx - l78xxc 8/52 figure 4. application circuits
l78xx - l78xxc test circuits 9/52 4 test circuits figure 5. dc parameter figure 6. load regulation
test circuits l78xx - l78xxc 10/52 figure 7. ripple rejection
l78xx - l78xxc electrical characteristics 11/52 5 electrical characteristics table 4. electrical characteristics of l7805 (refer to the test circuits, t j = -55 to 150c, v i = 10 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 4.8 5 5.2 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 8 to 20 v 4.65 5 5.35 v v o (1) 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used. line regulation v i = 7 to 25 v, t j = 25c 3 50 mv v i = 8 to 12 v, t j = 25c 1 25 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 100 mv i o = 250 to 750 ma, t j = 25c 25 i d quiescent current t j = 25c 6 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 8 to 25 v 0.8 v o / t output voltage drift i o = 5 ma 0.6 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 40 v/v o svr supply voltage rejection v i = 8 to 18 v, f = 120 hz 68 db v d dropout voltage i o = 1 a, t j = 25c 2 2.5 v r o output resistance f = 1 khz 17 m i sc short circuit current v i = 35 v, t j = 25c 0.75 1.2 a i scp short circuit peak current t j = 25c 1.3 2.2 3.3 a
electrical characteristics l78xx - l78xxc 12/52 table 5. electrical characteristics of l7806 (refer to the test circuits, t j = -55 to 150c, v i = 11 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 5.75 6 6.25 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 9 to 21 v 5.65 6 6.35 v v o (1) line regulation v i = 8 to 25 v, t j = 25c 60 mv v i = 9 to 13 v, t j = 25c 30 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 100 mv i o = 250 to 750 ma, t j = 25c 30 i d quiescent current t j = 25c 6 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 9 to 25 v 0.8 v o / t output voltage drift i o = 5 ma 0.7 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 40 v/v o svr supply voltage rejection v i = 9 to 19 v, f = 120 hz 65 db v d dropout voltage i o = 1 a, t j = 25c 2 2.5 v r o output resistance f = 1 khz 19 m i sc short circuit current v i = 35 v, t j = 25c 0.75 1.2 a i scp short circuit peak current t j = 25c 1.3 2.2 3.3 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
l78xx - l78xxc electrical characteristics 13/52 table 6. electrical characteristics of l7808 (refer to the test circuits, t j = -55 to 150c, v i = 14v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 7.7 8 8.3 v v o output voltage i o = 5 ma to 1a, p o 15 w v i = 11.5 to 23 v 7.6 8 8.4 v v o (1) line regulation v i = 10.5 to 25 v, t j = 25c 80 mv v i = 11 to 17 v, t j = 25c 40 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 100 mv i o = 250 to 750 ma, t j = 25c 40 i d quiescent current t j = 25c 6 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 11.5 to 25 v 0.8 v o / t output voltage drift i o = 5 ma 1 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 40 v/v o svr supply voltage rejection v i = 11.5 to 21.5 v, f = 120 hz 62 db v d dropout voltage i o = 1 a, t j = 25c 2 2.5 v r o output resistance f = 1 khz 16 m i sc short circuit current v i = 35 v, t j = 25c 0.75 1.2 a i scp short circuit peak current t j = 25c 1.3 2.2 3.3 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
electrical characteristics l78xx - l78xxc 14/52 table 7. electrical characteristics of l7812 (refer to the test circuits, t j = -55 to 150c, v i = 19 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 11.5 12 12.5 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 15.5 to 27 v 11.4 12 12.6 v v o (1) line regulation v i = 14.5 to 30 v, t j = 25c 120 mv v i = 16 to 22 v, t j = 25c 60 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 100 mv i o = 250 to 750 ma, t j = 25c 60 i d quiescent current t j = 25c 6 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 15 to 30 v 0.8 v o / t output voltage drift i o = 5 ma 1.5 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 40 v/v o svr supply voltage rejection v i = 15 to 25 v, f = 120 hz 61 db v d dropout voltage i o = 1 a, t j = 25c 2 2.5 v r o output resistance f = 1 khz 18 m i sc short circuit current v i = 35 v, t j = 25c 0.75 1.2 a i scp short circuit peak current t j = 25c 1.3 2.2 3.3 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
l78xx - l78xxc electrical characteristics 15/52 table 8. electrical characteristics of l7815 (refer to the test circuits, t j = -55 to 150c, v i = 23 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 14.4 15 15.6 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 18.5 to 30 v 14.25 15 15.75 v v o (1) line regulation v i = 17.5 to 30 v, t j = 25c 150 mv v i = 20 to 26 v, t j = 25c 75 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 150 mv i o = 250 to 750 ma, t j = 25c 75 i d quiescent current t j = 25c 6 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 18.5 to 30 v 0.8 v o / t output voltage drift i o = 5 ma 1.8 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 40 v/v o svr supply voltage rejection v i = 18.5 to 28.5 v, f = 120 hz 60 db v d dropout voltage i o = 1 a, t j = 25c 2 2.5 v r o output resistance f = 1 khz 19 m i sc short circuit current v i = 35 v, t j = 25c 0.75 1.2 a i scp short circuit peak current t j = 25c 1.3 2.2 3.3 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
electrical characteristics l78xx - l78xxc 16/52 table 9. electrical characteristics of l7818 (refer to the test circuits, t j = -55 to 150c, v i = 26 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 17.3 18 18.7 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 22 to 33 v 17.1 18 18.9 v v o (1) line regulation v i = 21 to 33 v, t j = 25c 180 mv v i = 24 to 30 v, t j = 25c 90 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 180 mv i o = 250 to 750 ma, t j = 25c 90 i d quiescent current t j = 25c 6 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 22 to 33 v 0.8 v o / t output voltage drift i o = 5 ma 2.3 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 40 v/v o svr supply voltage rejection v i = 22 to 32 v, f = 120 hz 59 db v d dropout voltage i o = 1 a, t j = 25c 2 2.5 v r o output resistance f = 1 khz 22 m i sc short circuit current v i = 35 v, t j = 25c 0.75 1.2 a i scp short circuit peak current t j = 25c 1.3 2.2 3.3 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
l78xx - l78xxc electrical characteristics 17/52 table 10. electrical characteristics of l7820 (refer to the test circuits, t j = -55 to 150c, v i = 28 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 19.2 20 20.8 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 24 to 35 v 19 20 21 v v o (1) line regulation v i = 22.5 to 35 v, t j = 25c 200 mv v i = 26 to 32 v, t j = 25c 100 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 200 mv i o = 250 to 750 ma, t j = 25c 100 i d quiescent current t j = 25c 6 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 24 to 35 v 0.8 v o / t output voltage drift i o = 5 ma 2.5 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 40 v/v o svr supply voltage rejection v i = 24 to 35 v, f = 120 hz 58 db v d dropout voltage i o = 1 a, t j = 25c 2 2.5 v r o output resistance f = 1 khz 24 m i sc short circuit current v i = 35 v, t j = 25c 0.75 1.2 a i scp short circuit peak current t j = 25c 1.3 2.2 3.3 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
electrical characteristics l78xx - l78xxc 18/52 table 11. electrical characteristics of l7824 (refer to the test circuits, t j = -55 to 150c, v i = 33 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 23 24 25 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 28 to 38 v 22.8 24 25.2 v v o (1) line regulation v i = 27 to 38 v, t j = 25c 240 mv v i = 30 to 36 v, t j = 25c 120 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 240 mv i o = 250 to 750 ma, t j = 25c 120 i d quiescent current t j = 25c 6 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 28 to 38 v 0.8 v o / t output voltage drift i o = 5 ma 3 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 40 v/v o svr supply voltage rejection v i = 28 to 38 v, f = 120 hz 56 db v d dropout voltage i o = 1 a, t j = 25c 2 2.5 v r o output resistance f = 1 khz 28 m i sc short circuit current v i = 35 v, t j = 25c 0.75 1.2 a i scp short circuit peak current t j = 25c 1.3 2.2 3.3 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
l78xx - l78xxc electrical characteristics 19/52 table 12. electrical characteristics of l7805c (refer to the test circuits, t j = 0 to 150c, v i = 10 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 4.8 5 5.2 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 7 to 20 v 4.75 5 5.25 v v o (1) line regulation v i = 7 to 25 v, t j = 25c 3 100 mv v i = 8 to 12 v, t j = 25c 1 50 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 100 mv i o = 250 to 750 ma, t j = 25c 50 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 7 to 25 v 0.8 v o / t output voltage drift i o = 5 ma -1.1 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 40 v/v o svr supply voltage rejection v i = 8 to 18 v, f = 120 hz 62 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 17 m i sc short circuit current v i = 35 v, t j = 25c 0.75 a i scp short circuit peak current t j = 25c 2.2 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
electrical characteristics l78xx - l78xxc 20/52 table 13. electrical characteristics of l7852c (refer to the test circuits, t j = 0 to 150c, v i = 10 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 5.0 5.2 5.4 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 8 to 20 v 4.95 5.2 5.45 v v o (1) line regulation v i = 7 to 25 v, t j = 25c 3 105 mv v i = 8 to 12 v, t j = 25c 1 52 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 105 mv i o = 250 to 750 ma, t j = 25c 52 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 7 to 25 v 1.3 v o / t output voltage drift i o = 5 ma -1 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 42 v/v o svr supply voltage rejection v i = 8 to 18 v, f = 120 hz 61 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 17 m i sc short circuit current v i = 35 v, t j = 25c 0.75 a i scp short circuit peak current t j = 25c 2.2 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
l78xx - l78xxc electrical characteristics 21/52 table 14. electrical characteristics of l7806c (refer to the test circuits, t j = 0 to 150c, v i = 11 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 5.75 6 6.25 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 8 to 21 v 5.7 6 6.3 v v o (1) line regulation v i = 8 to 25 v, t j = 25c 120 mv v i = 9 to 13 v, t j = 25c 60 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 120 mv i o = 250 to 750 ma, t j = 25c 60 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 8 to 25 v 1.3 v o / t output voltage drift i o = 5 ma -0.8 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 45 v/v o svr supply voltage rejection v i = 9 to 19 v, f = 120 hz 59 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 19 m i sc short circuit current v i = 35 v, t j = 25c 0.55 a i scp short circuit peak current t j = 25c 2.2 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
electrical characteristics l78xx - l78xxc 22/52 table 15. electrical characteristics of l7808c (refer to the test circuits, t j = 0 to 150c, v i = 14 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 7.7 8 8.3 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 10.5 to 25 v 7.6 8 8.4 v v o (1) line regulation v i = 10.5 to 25 v, t j = 25c 160 mv v i = 11 to 17 v, t j = 25c 80 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 160 mv i o = 250 to 750 ma, t j = 25c 80 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 10.5 to 25 v 1 v o / t output voltage drift i o = 5 ma -0.8 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 52 v/v o svr supply voltage rejection v i = 11.5 to 21.5 v, f = 120 hz 56 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 16 m i sc short circuit current v i = 35 v, t j = 25c 0.45 a i scp short circuit peak current t j = 25c 2.2 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
l78xx - l78xxc electrical characteristics 23/52 table 16. electrical characteristics of l7885c (refer to the test circuits, t j = 0 to 150c, v i = 14.5 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 8.2 8.5 8.8 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 11 to 26 v 8.1 8.5 8.9 v v o (1) line regulation v i = 11 to 27 v, t j = 25c 160 mv v i = 11.5 to 17.5 v, t j = 25c 80 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 160 mv i o = 250 to 750 ma, t j = 25c 80 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 11 to 27 v 1 v o / t output voltage drift i o = 5 ma -0.8 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 55 v/v o svr supply voltage rejection v i = 12 to 22v, f = 120hz 56 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 16 m i sc short circuit current v i = 35 v, t j = 25c 0.45 a i scp short circuit peak current t j = 25c 2.2 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
electrical characteristics l78xx - l78xxc 24/52 table 17. electrical characteristics of l7809c (refer to the test circuits, t j = 0 to 150c, v i = 15 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 8.64 9 9.36 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 11.5 to 26 v 8.55 9 9.45 v v o (1) line regulation v i = 11.5 to 26 v, t j = 25c 180 mv v i = 12 to 18 v, t j = 25c 90 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 180 mv i o = 250 to 750 ma, t j = 25c 90 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 11.5 to 26 v 1 v o / t output voltage drift i o = 5 ma -1 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 70 v/v o svr supply voltage rejection v i = 12 to 23 v, f = 120 hz 55 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 17 m i sc short circuit current v i = 35 v, t j = 25c 0.40 a i scp short circuit peak current t j = 25c 2.2 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
l78xx - l78xxc electrical characteristics 25/52 table 18. electrical characteristics of l7810c (refer to the test circuits, t j = 0 to 150c, v i = 15 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 9.6 10 10.4 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 12.5 to 26 v 9.5 10 10.5 v v o (1) line regulation v i = 12.5 to 26 v, t j = 25c 200 mv v i = 13.5 to 19 v, t j = 25c 100 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 200 mv i o = 250 to 750 ma, t j = 25c 100 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 12.5 to 26 v 1 v o / t output voltage drift i o = 5 ma -1 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 70 v/v o svr supply voltage rejection v i = 13 to 23 v, f = 120 hz 55 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 17 m i sc short circuit current v i = 35 v, t j = 25c 0.40 a i scp short circuit peak current t j = 25c 2.2 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
electrical characteristics l78xx - l78xxc 26/52 table 19. electrical characteristics of l7812c (refer to the test circuits, t j = 0 to 150c, v i = 19 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 11.5 12 12.5 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 14.5 to 27 v 11.4 12 12.6 v v o (1) line regulation v i = 14.5 to 30 v, t j = 25c 240 mv v i = 16 to 22 v, t j = 25c 120 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 240 mv i o = 250 to 750 ma, t j = 25c 120 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 14.5 to 30 v 1 v o / t output voltage drift i o = 5 ma -1 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 75 v/v o svr supply voltage rejection v i = 15 to 25 v, f = 120 hz 55 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 18 m i sc short circuit current v i = 35 v, t j = 25c 0.35 a i scp short circuit peak current t j = 25c 2.2 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
l78xx - l78xxc electrical characteristics 27/52 table 20. electrical characteristics of l7815c (refer to the test circuits, t j = 0 to 150c, v i = 23 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 14.5 15 15.6 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 17.5 to 30 v 14.25 15 15.75 v v o (1) line regulation v i = 17.5 to 30 v, t j = 25c 300 mv v i = 20 to 26 v, t j = 25c 150 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 300 mv i o = 250 to 750 ma, t j = 25c 150 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1a 0.5 ma v i = 17.5 to 30 v 1 v o / t output voltage drift i o = 5 ma -1 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 90 v/v o svr supply voltage rejection v i = 18.5 to 28.5 v, f = 120 hz 54 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 19 m i sc short circuit current v i = 35 v, t j = 25c 0.23 a i scp short circuit peak current t j = 25c 2.2 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
electrical characteristics l78xx - l78xxc 28/52 table 21. electrical characteristics of l7818c (refer to the test circuits, t j = 0 to 150c, v i = 26 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 17.3 18 18.7 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 21 to 33 v 17.1 18 18.9 v v o (1) line regulation v i = 21 to 33 v, t j = 25c 360 mv v i = 24 to 30 v, t j = 25c 180 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 360 mv i o = 250 to 750 ma, t j = 25c 180 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 21 to 33 v 1 v o / t output voltage drift i o = 5 ma -1 mv/c en output noise voltage b = 10 hz to 100 khz, t j = 25c 110 v/v o svr supply voltage rejection v i = 22 to 32 v, f = 120 hz 53 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 22 m i sc short circuit current v i = 35 v, t j = 25c 0.20 a i scp short circuit peak current t j = 25c 2.1 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
l78xx - l78xxc electrical characteristics 29/52 table 22. electrical characteristics of l7820c (refer to the test circuits, t j = 0 to 150c, v i = 28 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 19.2 20 20.8 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 23 to 35 v 19 20 21 v v o (1) line regulation v i = 22.5 to 35 v, t j = 25c 400 mv v i = 26 to 32 v, t j = 25c 200 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 400 mv i o = 250 to 750 ma, t j = 25c 200 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 23 to 35 v 1 v o / t output voltage drift i o = 5 ma -1 mv/c en output noise voltage b =10 hz to 100 khz, t j = 25c 150 v/v o svr supply voltage rejection v i = 24 to 35 v, f = 120 hz 52 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 24 m i sc short circuit current v i = 35 v, t j = 25c 0.18 a i scp short circuit peak current t j = 25c 2.1 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
electrical characteristics l78xx - l78xxc 30/52 table 23. electrical characteristics of l7824c (refer to the test circuits, t j = 0 to 150c, v i = 33 v, i o = 500 ma, c i = 0.33 f, c o = 0.1 f unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 23 24 25 v v o output voltage i o = 5 ma to 1 a, p o 15 w v i = 27 to 38 v 22.8 24 25.2 v v o (1) line regulation v i = 27 to 38 v, t j = 25c 480 mv v i = 30 to 36 v, t j = 25c 240 v o (1) load regulation i o = 5 ma to 1.5 a, t j = 25c 480 mv i o = 250 to 750 ma, t j = 25c 240 i d quiescent current t j = 25c 8 ma i d quiescent current change i o = 5 ma to 1 a 0.5 ma v i = 27 to 38 v 1 v o / t output voltage drift i o = 5 ma -1.5 mv/c en output noise voltage b = 10 hz to 100 khz, t j = 25c 170 v/v o svr supply voltage rejection v i = 28 to 38 v, f = 120 hz 50 db v d dropout voltage i o = 1 a, t j = 25c 2 v r o output resistance f = 1 khz 28 m i sc short circuit current v i = 35 v, t j = 25c 0.15 a i scp short circuit peak current t j = 25c 2.1 a 1. load and line regulation are spec ified at constant junction temperature. changes in v o due to heating effects must be taken into account separately. pulse testing with low duty cycle is used.
l78xx - l78xxc typical performance 31/52 6 typical performance figure 8. dropout voltage vs junction temperature figure 9. peak output current vs input/output differential voltage figure 10. supply voltage rejection vs frequency figure 11. output voltage vs junction temperature figure 12. output impedance vs frequency figure 13. quiescent current vs junction temp.
typical performance l78xx - l78xxc 32/52 1. to specify an output voltage, substitute voltage value for "xx". 2. although no output capacitor is need for stabil ity, it does improve transient response. 3. required if regulator is locate an appr eciable distance from power supply filter. figure 14. load transient response f igure 15. line transient response figure 16. quiescent current vs input voltage figure 17. fixed output regulator
l78xx - l78xxc typical performance 33/52 figure 18. current regulator i o = v xx /r 1 +i d figure 19. circuit for increasing output voltage i r1 5 i d v o = v xx (1+r 2 /r 1 )+i d r 2 figure 20. adjustable output regulator (7 to 30v)
typical performance l78xx - l78xxc 34/52 figure 21. 0.5 to 10v regulator v o =v xx r 4 /r 1 figure 22. high current voltage regulator i o = i reg + q 1 (i reg ______) v beq1 r 1 r 1 = ______________ v beq1 i req -(i q1 / q1 ) figure 23. high output current with short circuit protection r sc =v beq2 /i sc
l78xx - l78xxc typical performance 35/52 * against potential latch-up problems. figure 24. tracking voltage regulator figure 25. split power supply ( 15v - 1 a)
typical performance l78xx - l78xxc 36/52 figure 26. negative output voltage circuit figure 27. switching regulator figure 28. high input voltage circuit v in = v i - (v z + v be )
l78xx - l78xxc typical performance 37/52 figure 29. high input voltage circuit figure 30. high output voltage regulator figure 31. high input and output voltage v o = v xx + v z1
typical performance l78xx - l78xxc 38/52 note: the circuit performs well up to 100 khz. figure 32. reducing power dissipation with dropping resistor r = ____________________ v i(min) -v xx -v drop(max) i o(max) +i d(max) figure 33. remote shutdown figure 34. power am modulator (unity voltage gain, i o 0.5)
l78xx - l78xxc typical performance 39/52 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 35. adjustable output voltage with temperature compensation v o = v xx (1+r 2 /r 1 ) + v be figure 36. light controllers (v omin = v xx + v be ) v o rises when the light goes up v o falls when the light goes up
typical performance l78xx - l78xxc 40/52 1. application with high capacitanc e loads and an output voltage greater than 6 volts need an external diode (see fig. 32) to protect the device again st input short circuit. in this case the input voltage falls rapidly while the output voltage decrease slowly. t he capacitance discharges by means of the base-emitter junction of the series pass transistor in the regulator. if the energy is sufficiently high, the transistor may be destroyed. the external diode by-passes t he current from the ic to ground. figure 37. protection against input s hort-circuit with high capacitance loads
l78xx - l78xxc package mechanical data 41/52 7 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.
package mechanical data l78xx - l78xxc 42/52 dim. mm. inch. min. typ. max. min. typ. max. a 11. 8 5 0.466 b0. 9 6 1.05 1.10 0.0 3 7 0.041 0.04 3 c 1.70 0.066 d 8 .7 0. 3 42 e 20.0 0.7 8 7 g 10. 9 0.42 9 n 16. 9 0.665 p 26.2 1.0 3 1 r 3 . 88 4.0 9 0.152 0.161 u 39 .5 1.555 v 3 0.10 1.1 8 5 to- 3 mechanical data p00 3 c/c e b r c d a p g n v u o
l78xx - l78xxc package mechanical data 43/52 dim. mm. inch. min. typ. max. min. typ. max. a 4.40 4.60 0.17 3 0.1 8 1 b 0.61 0. 88 0.024 0.0 3 5 b 1 1.15 1.70 0.045 0.067 c0.4 9 0.70 0.01 9 0.02 8 d 15.25 15.75 0.600 0.620 e 10.0 10.40 0. 39 4 0.40 9 e 2.4 2.7 0.0 9 4 0.106 e1 4. 9 5 5.15 0.1 9 5 0.20 3 f1.2 3 1. 3 2 0.04 8 0.052 h1 6.2 6.6 0.244 0.260 j1 2.40 2.72 0.0 9 4 0.107 l1 3 .0 14.0 0.512 0.551 l1 3 .5 3 . 93 0.1 38 0.155 l20 16.4 0.646 l 3 02 8 . 9 1.1 38 p 3 .75 3 . 8 5 0.14 8 0.152 q 2.65 2. 9 5 0.104 0.116 to-220 (a type) mechanical data 0015 988 /n
package mechanical data l78xx - l78xxc 44/52 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
l78xx - l78xxc package mechanical data 45/52 figure 38. drawing dimension d 2 pak (type std-st) 0079457/l
package mechanical data l78xx - l78xxc 46/52 figure 39. drawing dimension d 2 pak (type wooseok-subcon.) 0079457/l
l78xx - l78xxc package mechanical data 47/52 note: the d 2 pak package coming from the subcontractor wooseok is fully compatible with the st's package suggested footprint. table 24. d 2 pak mechanical data dim. type std-st type wooseok-subcon. mm. mm. min. typ. max. min. typ. max. a 4.40 4.60 4.30 4.70 a1 0.03 0.23 0 0.20 b 0.70 0.93 0.70 0.90 b2 1.14 1.70 1.17 1.37 c 0.45 0.60 0.45 0.50 0.60 c2 1.23 1.36 1.25 1.30 1.40 d 8.95 9.35 9 9.20 9.40 d1 7.50 7.50 e 10 10.40 9.80 10.20 e1 8.50 7.50 e2.54 2.54 e1 4.88 5.28 5.08 h 15 15.85 15 15.30 15.60 j1 2.49 2.69 2.20 2.60 l 2.29 2.79 1.79 2.79 l1 1.27 1.40 1 1.40 l2 1.30 1.75 1.20 1.60 r 0.4 0.30 v2 0 8 0 3
package mechanical data l78xx - l78xxc 48/52 figure 40. d 2 pak footprint recommended data table 25. footprint data values mm. inch. a 12.20 0.480 b9.750.384 c 16.90 0.665 d3.500.138 e1.600.063 f2.540.100 g5.080.200
l78xx - l78xxc package mechanical data 49/52 dim. mm. inch. min. typ. max. min. typ. max. a1 8 0 7.0 8 6 c 12. 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 t 14.4 0.567 ao 10.50 10.6 10.70 0.41 3 0.417 0.421 bo 15.70 15. 8 0 15. 9 0 0.61 8 0.622 0.626 ko 4. 8 04. 9 0 5.00 0.1 89 0.1 93 0.1 9 7 po 3 . 9 4.0 4.1 0.15 3 0.157 0.161 p 11. 9 12.0 12.1 0.46 8 0.472 0.476 tape & reel d 2 pak-p 2 pak-d 2 pak/a-p 2 pak/a mechanical data
order code l78xx - l78xxc 50/52 8 order code table 26. order code part numbers packaging to-220 (a type) d 2 pak to-220fp to-3 l7805 l7805t l7805c l7805cv l7805cd2t-tr l7805cp l7805ct l7852c l7852cv l7852cd2t-tr (1) l7852cp (1) l7852ct (1) l7806c l7806cv l7806cd2t-tr l7806ct l7808c l7808cv l7808cd2t-tr l7808cp l7808ct l7885c l7885cv l7885cd2t-tr (1) l7885cp (1) l7885ct (1) l7809c l7809cv l7809cd2t-tr l7809cp l7809ct l7810c l7810cv l7810cd2t-tr (1) 1. available on request. l7812c l7812cv l7812cd2t-tr l7812cp l7812ct l7815c l7815cv l7815cd2t-tr l7815cp l7815ct l7818c l7818cv l7818cd2t-tr (1) l7818ct l7820c l7820cv l7820cd2t-tr (1) l7820cp (1) l7820ct (1) l7824c l7824cv l7824cd2t-tr l7824cp l7824ct
l78xx - l78xxc revision history 51/52 9 revision history table 27. revision history date revision changes 21-jun-2004 12 document updating. 03-aug-2006 13 order codes has been updated and new template. 19-jan-2007 14 d 2 pak mechanical data has been updated and add footprint data. 31-may-2007 15 order codes has been updated. 29-aug-2007 16 added table 1. in cover page.
l78xx - l78xxc 52/52 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. ? 2007 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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