date: 8/ 0/06 rev g sp78mxx 500ma 3-terminal positive voltage regulator ? 2006 sipex corporation general description the s p78 mxx 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 0.5a. the s p78 mxx series are available in two standard plastic packages: to-220 and to-252. features output current up to 0.5a fixed output v oltages of 5v and 12v output v oltage t olerances of 5% over the full t emperature range internal short circuit current-limiting internal thermal overload protection available in lead free, rohs compliant packaging applications consumer electronics microprocessor power supply mother board i/o power supply to-220 package input output gnd 1 2 3 to-220 to-252 figure 1. package t ypes of s p78 mxx sp78mxx solved by tm 500ma 3-terminal positive voltage regulator
2 date: 8/ 0/06 rev g sp78mxx 500ma 3-terminal positive voltage regulator ? 2006 sipex corporation figure 2. pin configuration of s p78 mxx (t op view) v package (to-220) input output gnd 1 2 3 1 2 3 input output gnd v 2 package (to-252) pin configuration pin description pin number pin name function 1 input v oltage input 2 gnd ground 3 output v oltage output functional block diagram figure 3. functional block diagram of s p78 mxx r9 r7 r4 r3 r5 c1 r11 r19 r18 r14 r15 r16 r17 r20 r23 r21 r2 2 output input r12 r2 r1 q23 q6 q3 q9 q14 q18 q21 q22 q24 q16 q2 q1 q4 q11 q7 q10 q8 q5 r8 r10 r6 r13 c2 q12 q15 q13 q17 q19 q20 gnd
3 date: 8/ 0/06 rev g sp78mxx 500ma 3-terminal positive voltage regulator ? 2006 sipex corporation parameter symbol v alue unit input v oltage v in 20 v lead t emperature (soldering, 10 sec.) 300 o c power dissipation p d internally limited storage t emperature range t stg -65 to 150 o c esd (machine model) esd 450 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 . recommended operating conditions parameter symbol min max unit supply v oltage v cc 7.5 18 v operating junction t emperature range t j -40 125 absolute maximum ratings (note 1)
date: 8/ 0/06 rev g sp78mxx 500ma 3-terminal positive voltage regulator ? 2006 sipex corporation parameter symbol conditions min t yp max unit output v oltage v out t j =25 o c 4.8 5 5.2 v v in =7v to 15v , i out =5ma to 350ma 4.75 5 5.25 v line regulation v rline t j =25 o c, v in =7v to 15v , i out =200ma 3 50 mv load regulation v rload t j =25 o c, i out =5ma to 500ma 20 100 mv quiescent current i q t j =25 o c 3.2 6 ma quiescent current change ' i q v in =8v to 15v , i out =200ma 0.8 ma i out =5ma to 350ma 0.5 ripple rejection ' v in / ' v out v in =8v to 15v , f=120hz, i out =200ma 62 73 db dropout v oltage v in -v out ' v out =1%, t j =25 o c 2 v output noise v oltage n o t a =25 o c, f=10hz to 100khz 40 p v short circuit current i sc t j =25 o c, v in =15v 350 ma peak output current i pk t j =25 o c 700 ma output v oltage drift ' v out / ' t i out =5ma 0.2 mv/ o c s p78 m05 (v in =10v, i out =350ma, t j =-40 o c to 125 o c, p d 5w , unless otherwise noted) electrical characteristics parameter symbol conditions min t yp max unit output v oltage v out t j =25 o c 1 1.5 12 12.5 v v in =14.5v to 17v , i out =5ma to 350ma 1 1.4 12 12.6 v line regulation v rline t j =25 o c, v in =14.5v to 17v , i out =200ma 8 50 mv load regulation v rload t j =25 o c, i out =5ma to 500ma 25 240 mv quiescent current i q t j =25 o c 3.2 6 ma quiescent current change ' i q v in =14.5v to 17v , i out =200ma 0.8 ma i out =5ma to 350ma 0.5 ripple rejection ' v in / ' v out v in =15v to 17v , f=120hz, i out =200ma 55 60 db dropout v oltage v in -v out ' v out =1%, t j =25 o c 2 v output noise v oltage n o t a =25 o c, f=10hz to 100khz 75 p v short circuit current i sc t j =25 o c, v in =17v 350 ma peak output current i pk t j =25 o c 700 ma output v oltage drift ' v out / ' t i out =5ma 0.3 mv/ o c s p78 m12 (v in =17v, i out =350ma, t j =-40 o c to 125 o c, p d 5w , unless otherwise noted)
5 date: 8/ 0/06 rev g sp78mxx 500ma 3-terminal positive voltage regulator ? 2006 sipex corporation figure 6. dropout v oltage vs. junction t emperature t ypical performance characteristics figure 5. peak output current vs. dropout v oltage figure 4. output v oltage vs. junction t emperature -40 -20 0 20 40 60 80 100 120 140 4.90 4.95 5.00 5.05 5.10 o u t p u t v o l t a g e ( v ) junction temperature ( o c) s p78 m05 i out =5ma i out =500ma -40 -20 0 20 40 60 80 100 120 140 0.0 0.5 1.0 1.5 2.0 2.5 d r o p o u t v o l t a g e ( v ) junction temperature ( o c) i out =100ma i out =350ma i out =500ma 2 4 6 8 10 12 14 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 o u t p u t c u r r e n t ( a ) dropout voltage (v) t j = -40 o c t j = 25 o c t j = 125 o c figure 7. quiescent current vs. junction t emperature -40 -20 0 20 40 60 80 100 120 140 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 q u i e s c e n t c u r r e n t ( m a ) junction temperature ( o c) s p78 m05 v i n = 1 0 v i out =0
6 date: 8/ 0/06 rev g sp78mxx 500ma 3-terminal positive voltage regulator ? 2006 sipex corporation figure 8. psrr vs. frequency c in =0.33 p f c out =0.1 p f 100 1000 10 10k 100k p s r r ( d b ) frequency (hz) 0 20 40 60 80 100 s p78 m05 t ypical performance characteristics (continued) typical application figure 9. t ypical application of s p78 mxx 0 . 1 p f 0 .3 3 p f s p78 mx x g n d i n p u t o u t p u t v i n v o u t
7 date: 8/ 0/06 rev g sp78mxx 500ma 3-terminal positive voltage regulator ? 2006 sipex corporation p ackage: 3 p in to-220 mechanical dimensions to-220 unit: mm(inch) 3.560(0.140) 14.230(0.560) 1.160(0.046) 0.813(0.032) 8.763(0.345) 2.540(0.100) 0.356(0.014) 2.080(0.082) 3 7 3.560(0.140) 7 9.660(0.380) 0.550(0.022) 60 0.381(0.015) 2.580(0.102) 60 8.520(0.335) 1.500(0.059) 0.200(0.008) 1.850(0.073) 2.540(0.100) 0.381(0.015) 0.406(0.016) 3.380(0.133) 10.660(0.420) 4.060(0.160) 1.350(0.053) 27.880(1.098) 30.280(1.192) 9.520(0.375) 16.510(0.650) 4.820(0.190) 2.880(0.113) 1.760(0.069)
8 date: 8/ 0/06 rev g sp78mxx 500ma 3-terminal positive voltage regulator ? 2006 sipex corporation p ackage: 3 p in to-252 mechanical dimensions (continued) to-252 unit: mm(inch) 1 7 1.400(0.055) 0.020(0.001) 0.460(0.018) 2.240(0.088) 0.650(0.026) 9.500(0.374) 0.750(0.030) 0.640(0.025) 5.230(0.206) 6.380(0.251) 2.600(0.102) 5.360(0.211) 2.180(0.086) 0.600(0.024) 5 5 8 0.400(0.016) 0.510(0.020) 0.480(0.019) 1.080(0.043) 45 6.680(0.263) 0.580(0.023) 2.380(0.094) 5.430(0.214) 0.950(0.037) 10.100(0.398) 2.340(0.092) 2.240(0.088) 2.340(0.092) 0.780(0.031) 0.850(0.033) 1.760(0.069) 5.560(0.219) 1.320(0.052) 0.540(0.021) 0.120(0.005) 3.000(0.118) 2.90 3.10 2.90 3.10
date: 8/ 0/06 rev g sp78mxx 500ma 3-terminal positive voltage regulator ? 2006 sipex corporation figure 6. dropout v oltage vs. junction t emperature t ypical performance characteristics figure 5. peak output current vs. dropout v oltage figure 4. output v oltage vs. junction t emperature -40 -20 0 20 40 60 80 100 120 140 4.90 4.95 5.00 5.05 5.10 o u t p u t v o l t a g e ( v ) junction temperature ( o c) s p78 m05 i out =5ma i out =500ma -40 -20 0 20 40 60 80 100 120 140 0.0 0.5 1.0 1.5 2.0 2.5 d r o p o u t v o l t a g e ( v ) junction temperature ( o c) i out =100ma i out =350ma i out =500ma 2 4 6 8 10 12 14 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 o u t p u t c u r r e n t ( a ) dropout voltage (v) t j = -40 o c t j = 25 o c t j = 125 o c figure 7. quiescent current vs. junction t emperature -40 -20 0 20 40 60 80 100 120 140 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 q u i e s c e n t c u r r e n t ( m a ) junction temperature ( o c) s p78 m05 v i n = 1 0 v i out =0 sipex corporation headquarters and sales offce 233 south hillview drive milpitas, ca 5035 tel: (08) 3-7500 fax: ( 08) 35-7600 ordering in formation 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. sipex corporation's pb-free products, as designated with "-l" suffix in the part number , are rohs compliant. p art number package v 2 : to-252 v: t o-220 - l : lead free s p78 mxx / tr: t ape and reel blank: tube 05: 5 volts 12: 12 volts solved by tm part number temperature range voltage tolerance output voltage package pin count packing type sp78m05v-l -0oc to +25oc 5% 5v to-220 3 50/tube sp78m 2v-l -0oc to +25oc 5% 2v to-220 3 50/tube sp78m05v2-l/tr -0oc to +25oc 5% 5v to-252 3 2,500/tr sp78m2v2-l/tr -0oc to +25oc 5% 2v to-252 3 2,500/tr
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