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  february 2008 rev 16 1/27 27 l78xxab l78xxac precision 1 a regulators features output current in excess of 1 a output voltages of 5; 6; 8; 9; 12; 15; 18; 24 v thermal overload protection output transition soa protection 2 % output voltage tolerance guaranteed in extended temperature range description the l78xxab l78xxac series of three terminal positive regulators are available in to-220, to-220fp, 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 regu lation, eliminating the distribution problem 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 table 1. device summary order codes l7805ab l7812ab l7805ac l7812ac l7806ab l7815ab l7806ac l7815ac l7808ab l7818ab l7808ac l7818ac l7809ab l7824ab l7809ac l7824ac www.st.com
contents l78xxab - l78xxac 2/27 contents 1 diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 6.1 design consideration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 8 order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 9 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
l78xxab - l78xxac diagram 3/27 1 diagram figure 1. block diagram figure 2. schematic diagram
pin configuration l78xxab - l78xxac 4/27 2 pin configuration figure 3. pin connections (top view) to-220fp to-220 d 2 pak
l78xxab - l78xxac maximum ratings 5/27 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 = 20, 24v 40 i o output current internally limited ma p d power dissipation internally limited mw t stg storage temperature range -65 to 150 c t op operating junction temperature range for l7800ac 0 to 150 c for l7800ab -40 to 125 table 3. thermal data symbol parameter to-220 to-220fp d 2 pak u ni t r thjc thermal resistance junction-case 3 5 3 c/w r thja thermal resistance junction-ambient 50 60 62.5 c/w figure 4. application circuit
test circuits l78xxab - l78xxac 6/27 4 test circuits figure 5. dc parameter figure 6. load regulation figure 7. ripple rejection
l78xxab - l78xxac electrical characteristics 7/27 5 electrical characteristics table 4. electrical characteristics of l7805a (v i = 10 v, i o = 1 a, t j = 0 to 150 c (l7805ac), t j = -40 to 125 c (l7805ab), unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 4.9 5 5.1 v v o output voltage i o = 5ma to 1a, p o 15w v i = 7.5 to 20v 4.8 5 5.2 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 = 7.5 to 25v, i o = 500 ma 7 50 mv v i = 8 to 12v 10 50 mv v i = 8 to 12v, t j = 25c 2 25 mv v i = 7.3 to 20v, t j = 25c 7 50 mv v o (*) load regulation i o = 5ma to 1a 25 100 mv i o = 5ma to 1.5a, t j = 25c 30 100 v i o = 250 to 750ma 8 50 v i q quiescent current t j = 25c 4.3 6 ma 6ma i q quiescent current change v i = 8 to 25v, i o = 500 ma 0.8 ma v i = 7.5 to 20v, t j = 25c 0.8 ma i o = 5ma to 1a 0.5 ma svr supply voltage rejection v i = 8 to 18v, f = 120hz, i o = 500ma 68 db v d dropout voltage i o = 1a, t j = 25c 2 v en output noise voltage t a = 25c, b =10hz to 100khz 10 v/v o r o output resistance f =1khz 17 m i sc short circuit current v i = 35v, t a = 25c 0.2 a i scp short circuit peak current t j = 25c 2.2 a v o / t output voltage drift -1.1 mv/c
electrical characteristics l78xxab - l78xxac 8/27 table 5. electrical characteristics of l7806a (v i = 11 v, i o = 1 a, t j = 0 to 150 c (l7806ac), t j = -40 to 125 c (l7806ab), unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 5.88 6 6.12 v v o output voltage i o = 5ma to 1a, p o 15w v i = 8.6 to 21v 5.76 6 6.24 v v o (1) line regulation v i = 8.6 to 25v, i o = 500 ma 9 60 mv v i = 9 to 13v 11 60 mv v i = 9 to 13v, t j = 25c 3 30 mv v i = 8.3 to 21v, t j = 25c 9 60 mv v o (1) load regulation i o = 5ma to 1a 25 100 mv i o = 5ma to 1.5a, t j = 25c 30 100 v i o = 250 to 750ma 10 50 v i q quiescent current t j = 25c 4.3 6 ma 6ma i q quiescent current change v i = 9 to 25v, i o = 500 ma 0.8 ma v i = 8.6 to 21v, t j = 25c 0.8 ma i o = 5ma to 1a 0.5 ma svr supply voltage rejection v i = 9 to 19v, f = 120hz, i o = 500ma 65 db v d dropout voltage i o = 1a, t j = 25c 2 v en output noise voltage t a = 25c, b =10hz to 100khz 10 v/v o r o output resistance f =1khz 17 m i sc short circuit current v i = 35v, t a = 25c 0.2 a i scp short circuit peak current t j = 25c 2.2 a v o / t output voltage drift -0.8 mv/c 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.
l78xxab - l78xxac electrical characteristics 9/27 table 6. electrical characteristics of l7808a (v i = 14 v, i o = 1 a, t j = 0 to 150 c (l7808ac), t j = -40 to 125 c (l7808ab), unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 7.84 8 8.16 v v o output voltage i o = 5ma to 1a, p o 15w v i = 10.6 to 23v 7.7 8 8.3 v v o (1) line regulation v i = 10.6 to 25v, i o = 500 ma 12 80 mv v i = 11 to 17v 15 80 mv v i = 11 to 17v, t j = 25c 5 40 mv v i = 10.4 to 23v, t j = 25c 12 80 mv v o (1) load regulation i o = 5ma to 1a 25 100 mv i o = 5ma to 1.5a, t j = 25c 30 100 v i o = 250 to 750ma 10 50 v i q quiescent current t j = 25c 4.3 6 ma 6ma i q quiescent current change v i = 11 to 25v, i o = 500 ma 0.8 ma v i = 10.6 to 23v, t j = 25c 0.8 ma i o = 5ma to 1a 0.5 ma svr supply voltage rejection v i = 11.5 to 21.5v, f = 120hz, i o = 500ma 62 db v d dropout voltage i o = 1a, t j = 25c 2 v en output noise voltage t a = 25c, b =10hz to 100khz 10 v/v o r o output resistance f =1khz 18 m i sc short circuit current v i = 35v, t a = 25c 0.2 a i scp short circuit peak current t j = 25c 2.2 a v o / t output voltage drift -0.8 mv/c 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 l78xxab - l78xxac 10/27 table 7. electrical characteristics of l7809a (v i = 15 v, i o = 1 a, t j = 0 to 150 c (l7809ac), t j = -40 to 125 c (l7809ab), unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 8.82 9 9.18 v v o output voltage i o = 5ma to 1a, p o 15w v i = 10.6 to 23v 8.65 9 9.35 v v o (1) line regulation v i = 10.6 to 25v, i o = 500 ma 12 90 mv v i = 11 to 17v 15 90 mv v i = 11 to 17v, t j = 25c 5 45 mv v i = 10.4 to 23v, t j = 25c 12 90 mv v o (1) load regulation i o = 5ma to 1a 25 100 mv i o = 5ma to 1.5a, t j = 25c 30 100 v i o = 250 to 750ma 10 50 v i q quiescent current t j = 25c 4.3 6 ma 6ma i q quiescent current change v i = 11 to 25v, i o = 500 ma 0.8 ma v i = 10.6 to 23v, t j = 25c 0.8 ma i o = 5ma to 1a 0.5 ma svr supply voltage rejection v i = 11.5 to 21.5v, f = 120hz, i o = 500ma 61 db v d dropout voltage i o = 1a, t j = 25c 2 v en output noise voltage t a = 25c, b =10hz to 100khz 10 v/v o r o output resistance f =1khz 18 m i sc short circuit current v i = 35v, t a = 25c 0.2 a i scp short circuit peak current t j = 25c 2.2 a v o / t output voltage drift -0.8 mv/c 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.
l78xxab - l78xxac electrical characteristics 11/27 table 8. electrical characteristics of l7812a (v i = 19 v, i o = 1 a, t j = 0 to 150 c (l7812ac), t j = -40 to 125 c (l7812ab), unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 11.75 12 12.25 v v o output voltage i o = 5ma to 1a, p o 15w v i = 14.8 to 27v 11.5 12 12.5 v v o (1) line regulation v i = 14.8 to 30v, i o = 500 ma 13 120 mv v i = 16 to 12v 16 120 mv v i = 16 to 12v, t j = 25c 6 60 mv v i = 14.5 to 27v, t j = 25c 13 120 mv v o (1) load regulation i o = 5ma to 1a 25 100 mv i o = 5ma to 1.5a, t j = 25c 30 100 v i o = 250 to 750ma 10 50 v i q quiescent current t j = 25c 4.4 6 ma 6ma i q quiescent current change v i = 15 to 30v, i o = 500 ma 0.8 ma v i = 14.8 to 27v, t j = 25c 0.8 ma i o = 5ma to 1a 0.5 ma svr supply voltage rejection v i = 15 to 25v, f = 120hz, i o = 500ma 60 db v d dropout voltage i o = 1a, t j = 25c 2 v en output noise voltage t a = 25c, b =10hz to 100khz 10 v/v o r o output resistance f =1khz 18 m i sc short circuit current v i = 35v, t a = 25c 0.2 a i scp short circuit peak current t j = 25c 2.2 a v o / t output voltage drift -1 mv/c 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 l78xxab - l78xxac 12/27 table 9. electrical characteristics of l7815a (v i = 23 v, i o = 1 a, t j = 0 to 150 c (l7815ac), t j = -40 to 125 c (l7815ab), unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 14.7 15 15.3 v v o output voltage i o = 5ma to 1a, p o 15w v i = 17.9 to 30v 14.4 15 15.6 v v o (1) line regulation v i = 17.9 to 30v, i o = 500 ma 13 150 mv v i = 20 to 26v 16 150 mv v i = 20 to 26v, t j = 25c 6 75 mv v i = 17.5 to 30v, t j = 25c 13 150 mv v o (1) load regulation i o = 5ma to 1a 25 100 mv i o = 5ma to 1.5a, t j = 25c 30 100 v i o = 250 to 750ma 10 50 v i q quiescent current t j = 25c 4.4 6 ma 6ma i q quiescent current change v i = 17.5 to 30v, i o = 500 ma 0.8 ma v i = 17.5 to 30v, t j = 25c 0.8 ma i o = 5ma to 1a 0.5 ma svr supply voltage rejection v i = 18.5 to 28.5v, f = 120hz, i o = 500ma 58 db v d dropout voltage i o = 1a, t j = 25c 2 v en output noise voltage t a = 25c, b =10hz to 100khz 10 v/v o r o output resistance f =1khz 19 m i sc short circuit current v i = 35v, t a = 25c 0.2 a i scp short circuit peak current t j = 25c 2.2 a v o / t output voltage drift -1 mv/c 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.
l78xxab - l78xxac electrical characteristics 13/27 table 10. electrical characteristics of l7818a (v i = 27 v, i o = 1 a, t j = 0 to 150 c (l7818ac), t j = -40 to 125 c (l7818ab), unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 17.64 18 18.36 v v o output voltage i o = 5ma to 1a, p o 15w v i = 21 to 33v 17.3 18 18.7 v v o (1) line regulation v i = 21 to 33v, i o = 500 ma 25 180 mv v i = 24 to 30v 28 180 mv v i = 24 to 30v, t j = 25c 10 90 mv v i = 20.6 to 33v, t j = 25c 5 180 mv v o (1) load regulation i o = 5ma to 1a 25 100 mv i o = 5ma to 1.5a, t j = 25c 30 100 v i o = 250 to 750ma 10 50 v i q quiescent current t j = 25c 4.5 6 ma 6ma i q quiescent current change v i = 21 to 33v, i o = 500 ma 0.8 ma v i = 21 to 33v, t j = 25c 0.8 ma i o = 5ma to 1a 0.5 ma svr supply voltage rejection v i = 22 to 32v, f = 120hz, i o = 500ma 57 db v d dropout voltage i o = 1a, t j = 25c 2 v en output noise voltage t a = 25c, b =10hz to 100khz 10 v/v o r o output resistance f =1khz 19 m i sc short circuit current v i = 35v, t a = 25c 0.2 a i scp short circuit peak current t j = 25c 2.2 a v o / t output voltage drift -1 mv/c 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 l78xxab - l78xxac 14/27 table 11. electrical characteristics of l7824a (v i = 33 v, i o = 1 a, t j = 0 to 150 c (l7824ac), t j = -40 to 125 c (l7824ab), unless otherwise specified) symbol parameter test conditions min. typ. max. unit v o output voltage t j = 25c 23.5 24 24.5 v v o output voltage i o = 5ma to 1a, p o 15w v i = 27.3 to 38v 23 24 25 v v o (1) line regulation v i = 27 to 38v, i o = 500 ma 31 240 mv v i = 30 to 36v 35 200 mv v i = 30 to 36v, t j = 25c 14 120 mv v i = 26.7 to 38v, t j = 25c 31 240 mv v o (1) load regulation i o = 5ma to 1a 25 100 mv i o = 5ma to 1.5a, t j = 25c 30 100 v i o = 250 to 750ma 10 50 v i q quiescent current t j = 25c 4.6 6 ma 6ma i q quiescent current change v i = 27.3 to 38v, i o = 500 ma 0.8 ma v i = 27.3 to 38v, t j = 25c 0.8 ma i o = 5ma to 1a 0.5 ma svr supply voltage rejection v i = 28 to 38v, f = 120hz, i o = 500ma 54 db v d dropout voltage i o = 1a, t j = 25c 2 v en output noise voltage t a = 25c, b =10hz to 100khz 10 v/v o r o output resistance f =1khz 20 m i sc short circuit current v i = 35v, t a = 25c 0.2 a i scp short circuit peak current t j = 25c 2.2 a v o / t output voltage drift -1.5 mv/c 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.
l78xxab - l78xxac application information 15/27 6 application information 6.1 design consideration the l78xxa series of fixed voltage regulators are designed with thermal overload protection that shuts down the circuit when subjected to an excessive power overload condition, internal sh ort-circuit protection that limits the maximum curren t the circuit will pass, and output transistor safe-area compensa tion that reduces the output short-circuit current as the voltage across the pass transistor is increased. in many low current applications, compensation capacitors are not required. however, it is recommended that the regulator input be bypassed with capacitor if the regulator is connected to the power supply filter with long lengths, or if the output load capacitance is large. an input bypass capacitor should be selected to provide good high frequency characteristics to insure stable operation under all load conditions. a 0.33 f or larger tantalum, mylar or other capacitor having low internal impedance at high frequencies should be chosen. the bypass capacitor should be mounted with the shortest possible leads directly across the regulators input terminals. normally good construction techniqu es should be used to minimize ground loops and lead resistance drops since the regulator has no external sense lead. the addition of an operational amplifier allows adjustment to higher or intermediate values while retaining regula tion characteristics. the minimum voltage obtained with the arrangement is 2 v greater than the regulator voltage. the circuit of figure 6 can be modified to prov ide supply protection against short circuit by adding a short circuit sense resistor, rsc, an d an additional pnp transistor. the current sensing pnp must be able to handle the short circuit current of the three terminal regulator therefore a four ampere plastic power transistor is specified. figure 8. dc parameter i o = v xx /r 1 +i d
application information l78xxab - l78xxac 16/27 figure 9. dc parameter v i - v o 2v v o = 7 to 20v figure 10. dc parameter i o = i reg + q 1 (i reg ______) v beq1 r 1 r 1 = ______________ v beq1 i req -(i q1 / q1 ) figure 11. dc parameter
l78xxab - l78xxac package mechanical data 17/27 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 l78xxab - l78xxac 18/27 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
l78xxab - l78xxac package mechanical data 19/27 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 l78xxab - l78xxac 20/27 figure 12. drawing dimension d 2 pak (type std-st) 0079457/l
l78xxab - l78xxac package mechanical data 21/27 figure 13. drawing dimension d 2 pak (type wooseok-subcon.) 0079457/l
package mechanical data l78xxab - l78xxac 22/27 note: the d 2 pak package coming from the subcontractor wooseok is fully compatible with the st's package suggested footprint. table 12. 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
l78xxab - l78xxac package mechanical data 23/27 figure 14. d 2 pak footprint recommended data table 13. footprint data values dim. 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
package mechanical data l78xxab - l78xxac 24/27 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
l78xxab - l78xxac order codes 25/27 8 order codes table 14. order codes part number packaging output voltage to-220 to-220fp d 2 pak l7805ab l7805abv l7805abp l7805abd2t-tr 5 v l7805ac l7805acv l7805acp l7805acd2t-tr 5 v l7806ab l7806abv l7806abd2t-tr 6 v l7806ac l7806acv l7806acd2t-tr 6 v l7808ab l7808abv l7808abd2t-tr 8 v l7808ac l7808acv l7808acd2t-tr 8 v l7809ab l7809abv l7809abd2t-tr 9 v l7809ac l7809acv l7809acd2t-tr 9 v l7812ab l7812abv l7812abd2t-tr 12 v l7812ac l7812acv l7812acp l7812acd2t-tr 12 v l7815ab l7815abv l7815abd2t-tr 15 v l7815ac l7815acv l7815acd2t-tr 15 v l7818ab l7818abv 18 v l7818ac l7818acv 18 v l7824ab l7824abv l7824abd2t-tr 24 v l7824ac l7824acv 24 v
revision history l78xxab - l78xxac 26/27 9 revision history table 15. document revision history date revision changes 21-jun-2004 9 document updating. 04-aug-2006 10 order codes updated and new template. 19-jan-2007 11 d 2 pak mechanical data has been updated and add footprint data. 07-mar-2007 12 update figure d 2 pak in cover page. 01-jun-2007 13 order codes updated. 25-jul-2007 14 add ta bl e 1 in cover page. 11-dec-2007 15 modified: ta b l e 1 4 . 20-feb-2008 16 modified: table 14 on page 25 .
l78xxab - l78xxac 27/27 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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