date: 7/28/06 rev e sp78xx 3-terminal positive linear regulators ? 2006 sipex corporation general description the s p78 xx series are monolithic integrated circuits designed as fixed-voltage regulators for a wide variety of applications including local, on-card regulation. this series of regulators are complete with internal current limiting, thermal shutdown protection, and safe-area compensation which make them virtually immune from output overload. if adequate heat sinking are provided, these regulators can deliver output currents up to 1.0a. the s p78 xx series are available in two standard plastic packages: to-220 and to-252. features g output current up to 1.0a g fixed output v oltage s of 5v and 12v g output v oltage t olerances of f 5% over the full t emperature range g internal short circuit current-limiting g internal thermal overload protection g available in lead free, rohs compliant packages applications g consumer electronics g microprocessor power supply g mother board i/o power supply figure . package t ypes of sp78xx to-220 to-22 to-220 package input output gnd 2 3 sp78xx 3-terminal positive regulators solved by tm
2 date: 8/3/06 rev f sp78xx 3-terminal positive linear regulators ? 2006 sipex corporation pin configuration pin description pin number pin name function 1 input v oltage input 2 gnd ground 3 output v oltage output figure 2. pin configuration of sp 78xx ( to p view) v package (to-220) input output gnd 2 3 2 3 input output gnd v 2 package (to-22)
3 date: 7/28/06 rev e sp78xx 3-terminal positive linear regulators ? 2006 sipex corporation functional block diagram figure 3. functional block diagram of sp 78xx r r7 r r3 r c r r r8 r r d zener r6 r7 r20 r23 r2 r2 2 output input r2 r2 r q23 q6 q3 q q q8 q2 q22 q2 q6 q2 q q q q7 q0 q8 q r8 r0 r6 r3 c2 q2 q q3 q7 q q20 gnd
date: 8/3/06 rev f sp78xx 3-terminal positive linear regulators ? 2006 sipex corporation recommended operating conditions parameter symbol min max unit supply voltage v cc 7.5 18 v operating junction temperature range t j -40 125 absolute maximum ratings (note 1) parameter symbol value unit input voltage v in 20 v lead temperature (soldering, 10sec) 300 o c power dissipation p d internally limited storage temperature range t stg -65 to 150 o c esd (machine model) esd 500 v note 1: stresses greater than those listed under "absolute maximum ratings" may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. exposure to "absolute max- imum ratings" for extended periods may affect device reliability.
date: 7/28/06 rev e sp78xx 3-terminal positive linear regulators ? 2006 sipex corporation parameter symbol conditions min t yp max unit output v oltage v o t j =25 o c 4.9 5.0 5.1 v i o =5ma to 1a, v i =7.5 to 15v , p d 0 15w 4.8 5.0 5.2 line regulation v rline v i =8v to 15v, i o =1a, t j =25 o c 1 20 mv load regulation v rload v i =10v, i o =5ma to 1a, t j =25 o c 10 35 mv quiescent current i q v i =10v 3.2 6.0 ma quiescent current change ' i q v i =8v to 15v, i o =500ma, t j =25 o c 0.3 0.8 ma i o =5ma to 1a, t j =25 o c 0.08 0.5 ripple rejection ' v i / ' v o v i =8v to 15v, f=120hz, i o =300ma 63 73 db dropout v oltage v i -v o ' v o /v o =1%, i o =1a, t j =25 o c 2.0 v output noise v oltage n o f=10hz to 100khz, t a =25 o c 10 p v/v o output resistance r o f=1.0khz 10 m : short circuit current i pk v i =15v, t a =25 o c 0.8 a peak output current i max v i =10v, t j =25 o c 2.2 a output v oltage drift ' v o / ' t -0.3 mv/ o c electrical characteristics s p78 05 ( v i =10v, i o =1a, t j =-40 to 125 o c, unless otherwise specified. ) electrical characteristics s p78 12 ( v i =17v, i o =1a, t j =-40 to 125 o c, unless otherwise specified. ) parameter symbol condition min t yp max unit output v oltage v o t j =25 o c 1 1.5 12 12.5 v i o =5ma to 1a, v i =14.8 to 17v, p d 0 15w 1 1.4 12 12.6 line regulation v rline v i =14.5 to 18v, i o =1a, t j =25 o c 2.2 20 mv load regulation v rload v i =17v, i o =5ma to 1a, t j =25 o c 8.1 60 mv quiescent current i q v i =17v 3.4 6.5 ma quiescent current change ' i q v i =14.5 to 17v, i o =1a, t j =25 o c 0.7 ma i o =5.0ma to 1a, t j =25 o c 0.5 ripple rejection ' v i / ' v o v i =15v to 17v, f=120hz, i o =300ma 55 60 db dropout v oltage v i -v o ' v o /v o =1%, i o =1a, t a =25 o c 2.0 v output noise v oltage n o f=10hz to 100khz, t a =25 o c 10 p v/v o output resistance r o f=1.0khz 13 m : short circuit current i pk v i =15v, t a =25 o c 0.8 a peak output current i max v i =17v, t j =25 o c 2.2 a output voltage drift ' v o / ' t -0.8 mv/ o c
6 date: 8/3/06 rev f sp78xx 3-terminal positive linear regulators ? 2006 sipex corporation t ypical performance characteristics figure . output v oltage vs. junction temperature figure 6. quiescent current vs. junction t emperature figure . peak output current vs. input / output -20 0 20 0 60 80 00 20 0 2.7 2.8 2. 3.0 3. 3.2 3.3 3. 3. 3.6 q u i e s c e n t c u r r e n t ( m a ) junction temperature ( o c) differential v oltage 0 20 0 60 80 00 20 0 60 80 200 .80 .82 .8 .86 .88 .0 .2 . .6 .8 .00 .02 .0 .06 .08 .0 s p78 0 o u t p u t v o l t a g e ( v ) junction temperature( o c) 0 00 k 0k 30 3 0 0 60 6 70 7 80 r i p p l e r e j e c t i o n ( d b ) frequency (hz) figure 7. ripple rejection vs. frequency 2 3 6 7 8 0 2 3 0.00 0.2 0.0 0.7 .00 .2 .0 .7 2.00 2.2 2.0 2.7 s p78 0 2 o c 2 o c -0 o c o u t p u t c u r r e n t ( a ) v in -v out (v)
7 date: 7/28/06 rev e sp78xx 3-terminal positive linear regulators ? 2006 sipex corporation t ypical application figure 8. fixed output regulator of sp 78xx 0. p f 0.33 p f s p78 xx gnd input output v in v out
8 date: 8/3/06 rev f sp78xx 3-terminal positive linear regulators ? 2006 sipex corporation package: 3 p in to-252 mechanical dimension (continued) to-252 unit: mm(inch) e 7 e .00(0.0) 0.020(0.00) 0.60(0.08) 2.20(0.088) 0.60(0.026) .00(0.37) 0.70(0.030) 0.60(0.02) .230(0.206) 6.380(0.2) 2.600(0.02) .360(0.2) 2.80(0.086) 0.600(0.02) e e 8 e 0.00(0.06) 0.0(0.020) 0.80(0.0) .080(0.03) h e 6.680(0.263) 0.80(0.023) 2.380(0.0) .30(0.2) 0.0(0.037) 0.00(0.38) 2.30(0.02) 2.20(0.088) 2.30(0.02) 0.780(0.03) 0.80(0.033) .760(0.06) .60(0.2) .320(0.02) 0.0(0.02) 0.20(0.00) 3.000(0.8) 2.0 e 3.0 e 2.0 e 3.0 e
date: 7/28/06 rev e sp78xx 3-terminal positive linear regulators ? 2006 sipex corporation package: 3 p in to-220 mechanical dimension to-220 unit: mm(inch) ? 3.60(0.0) .230(0.60) .60(0.06) 0.83(0.032) 8.763(0.3) 2.0(0.00) 0.36(0.0) 2.080(0.082) 3 e 7 e 3.60(0.0) 7 e .660(0.380) 0.0(0.022) 60 e 0.38(0.0) 2.80(0.02) 6 0 e 8.20(0.33) ? .00(0.0) 0.200(0.008) .80(0.073) 2.0(0.00) 0.38(0.0) 0.06(0.06) 3.380(0.33) 0.660(0.20) .060(0.60) .30(0.03) 27.880(.08) 30.280(.2) .20(0.37) 6.0(0.60) .820(0.0) 2.880(0.3) .760(0.06)
0 date: 8/3/06 rev f sp78xx 3-terminal positive linear regulators ? 2006 sipex corporation t ypical performance characteristics figure . output v oltage vs. junction temperature figure 6. quiescent current vs. junction t emperature figure . peak output current vs. input / output -20 0 20 0 60 80 00 20 0 2.7 2.8 2. 3.0 3. 3.2 3.3 3. 3. 3.6 q u i e s c e n t c u r r e n t ( m a ) junction temperature ( o c) differential v oltage 0 20 0 60 80 00 20 0 60 80 200 .80 .82 .8 .86 .88 .0 .2 . .6 .8 .00 .02 .0 .06 .08 .0 s p78 0 o u t p u t v o l t a g e ( v ) junction temperature( o c) 0 00 k 0k 30 3 0 0 60 6 70 7 80 r i p p l e r e j e c t i o n ( d b ) frequency (hz) figure 7. ripple rejection vs. frequency 2 3 6 7 8 0 2 3 0.00 0.2 0.0 0.7 .00 .2 .0 .7 2.00 2.2 2.0 2.7 s p78 0 2 o c 2 o c -0 o c o u t p u t c u r r e n t ( a ) v in -v out (v) sipex corporation headquarters and sales offce 233 south hillview drive milpitas, ca 03 tel: (08) 3-700 fax: ( 08) 3-7600 ordering informa tion sipex corporation reserves the right to make changes to any products described herein. sipex does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. solved by tm ordering information part number package - l : lead free and rohs compliant s p78 xx / tr : t ape and reel blank: tube v: to-220 v 2 : to-252 - sipex corporation's pb-free products, as designated with "-l" suffix in the part number, are rohs compliant. output v oltage 05: 5v 12:12v part number temperature range voltage tolerance output voltage package pin count packing type sp780 v-l -0oc to +2oc % v to-220 3 0/tube sp78 2v-l -0oc to +2oc % 2v to-220 3 0/tube sp780v2-l/tr -0oc to +2oc % v to-2 2 3 2,00/tr sp782v2-l/tr -0oc to +2oc % 2v to-2 2 3 2,00/tr
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