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date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation general description the s p317 is an adjustable three-terminal positive voltage regulator with a very low dropout of 1.2v at 1a output current. using 2 external resistors, the s p317 can provide an adjustable output voltage down to 1.25v. the s p317 includes a circuit of trimmed bandgap reference to assure output voltage accuracy to be within 1%. it also provides current limiting and thermal shutdown. the current limit is trimmed to ensure specified output current and controlled short-circuit current. the on-chip thermal limiting provides protection against any combination of overload and ambient temperature that would create excessive junction temperature. the s p317 is available in the standard sot -223, to-220, to-252 and to-263 power packages. features g t ypical 1% output v oltage t olerance g t ypical 0.01%/v line regulation g t ypical 0.2% load regulation g v ery low dropout v oltage: 1.2v at 1a output current g t rimmed current limit g on-chip thermal protection g operation junction t emperature: 0 to 125 o c g available in rohs compliant, lead free packaging applications g pc motherboard g lcd monitor g graphic s card g dvd player g network interface card/switch g t elecom equipment g printer and other peripheral equipment figure . package t ypes of sp37 sot -223 to-220 to-22 to-263 to-220 package input output adj v out 1 2 3 sp317 3-terminal 1 amp adjustable voltage regulator solved by tm
2 date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation j package (sot -223) v package (to-220) (to-22) v 2 package pin configuration functional block diagram figure 3. functional block diagram of input output adj v out figure 2. pin configuration of sp37 (t op view) 1 2 3 input output adj v out 1 2 3 input output adj input output adj v out 1 2 3 thermal shutdown + + _ current limiter v package (to-263) input output adj 1 2 3 2 3 s p37
3 date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation parameter symbol min max unit input voltage v in v out +2 15 v operating junction t emperature range t j 0 125 o c recommended operating conditions note1: 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 maximum ratings" for extended periods may affect device reliability. parameter symbol min max unit input voltage v in 20 v maximum junction t emperature t j 150 o c storage t emperature t s -65 150 o c lead t emperature (soldering, 10sec) t lead 300 o c esd (human body model) esd 4000 v absolute maximum ratings (note 1)
date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation parameter symbol conditions min t yp max unit reference v oltage v ref 10ma d i out d 1a, 3v d (v in -v out ) d 10v 1.20 1.25 1.30 v line regulation s v i out d 20ma, 3v d v in -v out d 10v 0.01 0.04 %/v load regulation si v in -v out = 2v, 10ma d i out d 1a 0.2 0.4 % thermal regulation 20ms pulse 0.04 0.07 %/w dropout voltage ' v i out 1a 1.2 1.3 v current limit i limit (v in -v out ) = 2v 1.2 1.5 1.8 a adjust pin current 50 100 p a adjust pin current change 1.4v d v in -v out ) d 10v , 10ma d i out d 1a 0.2 5 p a minimum load current 3v d (v in -v out ) d 15v 3.5 10 ma ripple rejection f =120hz, c out =1 p f t antalum, (v in -v out ) = 3v, i out =1a 60 75 db t emperature stability 1 % long -term stability t a =125 o c, 1000hrs 0.3 % rms output noise (% of v out ) t a =25 o c, 10hz d f d 10khz 0.003 % thermal resistance, junction to case sot -223 to-252 to-220 to-263 15 10 4.5 4 o c/w thermal shutdown junction t emperature 150 o c thermal shutdown hysteresis 25 o c (t ypicals and limits apply for t j =25 o c, p d maximum power dissipation unless otherwise specified.)(note 2) note 2: maximum power dissipation is package t ype and case t emperature dependent. please see figure 12. electrical characteristics
date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation t ypical performance characteristics figure . dropout v oltage vs. output current figure 6. load regulation vs. t emperature figure 7. reference v oltage vs. t emperature figure . output v oltage vs. t emperature 0 2 0 7 00 2 3.0 3. 3.20 3.2 3.30 3.3 3.0 v out =3.3v i out =30ma o u t p u t v o l t a g e ( v ) ambient temperature ( o c) 0.2 0. 0.6 0. .0 0. 0.6 0.7 0. 0. .0 . .2 t a =20 o c t a =2 o c t a =0 o c d r o p o u t v o l t a g e ( v ) output current (a) 0 20 0 60 0 00 20 -0.2 0.0 0.2 0. 0.6 0. v out =3.3v o u t p u t v o l t a g e d e v i a t i o n ( % ) ambient temperature ( o c) 0 2 0 7 00 2 .20 .2 .220 .22 .230 .23 .20 .2 .20 .2 .260 v out =3.3v i out =30ma r e f e r e n c e v o l t a g e ( v ) ambient temparature ( o c)
6 date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation figure . minimum load current vs. t emperature figure . short-circuit current vs. temperature figure 2. maximum power dissipation t ypical performance characteristics (continued) 2 0 7 00 2 0.0 2. .0 7. 0.0 sot- 223 p o w e r ( w ) case temperature ( o c) figure 0. adjust pin current vs. t emperature 0 2 0 7 00 2 .00 .2 .0 .7 2.00 s h o r t - c i r c u i t c u r r e n t ( a ) junction temperature ( o c) 0 2 0 7 00 2 0 2 3 v out =3.3v m i n i m u m l o a d c u r r e n t ( m a ) ambient temperature ( o c) 0 2 0 7 00 2 0 0 20 30 0 0 60 70 0 0 00 v out =3.3v i out =30ma a d j u s t p i n c u r r e n t ( p a ) ambient temperature( o c)
7 date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation t ypical performance characteristics (continued) figure 3. ripple rejection vs. frequency figure . line t ransient response figure . load t ransient response 0 00 k 0k 00k 20 30 0 0 60 70 v in =.3v v out =3.3v r i p p l e r e j e c t i o n ( d b ) frequency (hz) line_transient_response v in =4.8v , v out =3.33v , c in =1 p c out p 7$1 v out v in = 5.8 v v in =4.8v v in =4.8v , v out =3.33v , c in =c out p 7$1 preload=0.1a line_transient_response v out i out =0.5a i out =0.1a
date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation t ypical application figure . t ypical application of s p 3 7 v out = v ref x (+r2/r) + i adj x r2 since i adj is controlled to less than 00 p a, the error associated with this term is negligible in most applications. * = c in is required if the regulator is located near power supply filter . **= c o is needed for stability and it improves transient response. sp37 output input adj + + * c in 0. p f ** c o .0 p f v in v out r 20 : r2
date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation mechanical dimensions sot -223 unit: mm(inch) 3 . 3 0 0 ( 0 . 3 0 ) 3 . 7 0 0 ( 0 . 6 ) 6 . 7 0 0 ( 0 . 2 6 ) 7 . 3 0 0 ( 0 . 2 7 ) 2.00(0.) 3.00(0.22) 0.60(0.02) 0.0(0.032) 2.300(0.0) typ 6.300(0.2) 6.700(0.26) .70(0.06) typ .00(0.77) .700(0.) 0.020(0.00) 0.00(0.00) .20(0.060) .00(0.07) .00(0.0) .700(0.067) 0 . 2 0 ( 0 . 0 0 ) 0 . 3 0 ( 0 . 0 ) 0.20(0.00) 0 e 0 e 0.00(0.03) min p ackage: 3 pin sot223
0 date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation mechanical dimensions (continued) to-220 unit: mm(inch) ? 3.60(0.0) . 2 3 0 ( 0 . 6 0 ) .60(0.06) 0.3(0.032) .763 (0 .3) 2.0(0.00) 0.36(0.0) 2.00(0.02) 3 e 7 e 3.60(0.0) 7 e .660(0.30) 0.0(0.022) 60 e 0.3(0.0) 2 . 0 (0 .02) 6 0 e . 2 0 ( 0 . 3 3 ) ? .00(0.0) 0.200(0.00) . 0 ( 0 . 0 7 3 ) 2.0(0.00) 0.3(0.0) 0.06(0.06) 3 .3 0(0 .33) 0.660(0.20) .060(0.60) .30(0.03) 2 7 . 0 ( . 0 ) 3 0 . 2 0 ( . 2 ) . 2 0 ( 0 . 3 7 ) 6 . 0 ( 0 . 6 0 ) .20(0.0) 2.0(0.3) .760(0.06) p ackage: 3 p in to-220
date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation mechanical dimensions (continued) unit: mm(inch) e 7 e . 0 0 ( 0 . 0 ) 0.020(0.00) 0.60(0.0) 2.20(0.0) 0 . 6 0 ( 0 . 0 2 6 ) . 0 0 ( 0 . 3 7 ) 0.70(0.030) 0.60(0.02) .230(0.206) 6.30(0.2) 2 . 6 0 0 ( 0 . 0 2 ) . 3 6 0 ( 0 . 2 ) 2.0(0.06) 0.600 ( 0 .0 2) e e e 0.00(0.06) 0.0(0.020) 0.0(0.0) .00(0.03) h e 6.60(0.263) 0.0(0.023) 2.30(0.0) .30(0.2) 0 . 0 ( 0 . 0 3 7 ) 0 . 0 0 ( 0 . 3 ) 2.30(0.02) 2.20(0.0) 2.30(0.02) 0.70(0.03) 0.0(0.033) . 7 6 0 ( 0 . 0 6 ) . 6 0 ( 0 . 2 ) .320(0.02) 0.0(0.02) 0.20(0.00) 3 . 0 0 0 ( 0 . ) 2.0 e 3.0 e 2.0 e 3.0 e to-252 p ackage: 3 p in to-252
2 date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation mechanical dimensions (continued) to-263 unit: mm(inch) 7 e 3 e 7 e . 6 0 ( 0 . 3 0 ) . 6 0 ( 0 . 3 0 ) 0.0(0.03) 0.0(0.020) 2.0(0.00) .0(0.0) .60(0.30) 3 e .7 60(0 . ) .0(0.3) 2.60(0.0) 0.020(0.00) e 2 e 0 e 6 e 0.30(0.0) 2 . 3 0 ( 0 . 0 ) 0.360(0.0) 2 .200 (0. 07 ) 7 0 e 0.20(0.0) . 070 (0. 60 ) .2 0 (0. 0) .30(0.0) .0(0.0) .30(0.0) 2.0(0.00) .270(0.00) .30(0.0) 2 . 6 0 ( 0 . 0 6 ) .70(0 .62 0) 0.20(0.00) 2.700(0.06) 0.00(0.06) . 6 00 ( 0 . 2 20 ) 7.20(0.22) 7.0(0.3) 2.0(0.00) 2.0(0.00) p ackage: 3 p in to-263
3 date: 7/27/06 rev f sp3 7 3-terminal amp adjustable voltage regulator ? 2006 sipex corporation sipex corporation headquarters and sales offce 233 south hillview drive milpitas, ca 03 tel: (0) 3-700 fax: ( 0) 3-7600 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. p art name package j: sot -223 - l : lead free and rohs compliant s p317 / tr: t ape and reel blank: t ube v: to-220 v 2 : to-252 v 1 : to-263 solved by tm part number temperature range voltage tolerance output voltage package pin count packing type sp37j-l/tr 0oc to +2oc .0% adj sot-223 3 2,00/tr sp3 7v-l 0oc to +2oc .0% adj to-220 3 0/tube sp37v2-l/tr 0oc to +2oc .0% adj to-2 2 3 2,00/tr sp37v-l/tr 0oc to +2oc .0% adj to-263 3 00/tr

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