2002 shor t for m catalog p-137 ?copyright 2001 sipex corporation p description the spx2810 is a low power , positive voltage r egulator designed to supply up to 1a of output cur r ent. this device is an excellent choice for use in batter y-power ed applications and por table computers that r equir e low dr opout, fast transient r esponses. the spx2810 featur es ver y low quiescent cur r ent and a ver y low dr opout voltage of 1.2v at full load. this device is available with either an adjustable or a fixed 2.5v , 3.0v , or 3.3v output voltage. the spx2810 is of fer ed in industr y standar d 3-pin sot -223, to-220, to-252 and to-263 sur face mount packages. an output capacitor of 10 f or lar ger , as r equir ed by most high cur r ent r egulators, assur es output stability . spx2810 1a lo w dr opout v olta g e regulator with adjustab le or fix ed output featur es n guaranteed 1a output cur r ent n adjustable output down to 1.2v n fixed output v oltages 2.5v , 3.0v , 3.3v n 1% and 2% output accuracy n low dr opout v oltage 1.1v typ. n extr emely t ight load and line regulation n cur r ent and ther mal limiting n standar d 3-t er minal low cost to-220, to-263, to-252 and sot -223 applications n scsi-ii active t er minator n por table palmtop/notebook computers n smps post-regulator n disk drives n por table consumer equipment n por table instr umentation n batter y char gers typical application cir cuits lo ad adj spx2810 v in c 1 out in 4.7 m f c 2 i out r 1 v ref r 1 i out = + in out i adj spx2810 c 1 r 1 r 2 v out v in c 2 v out = v ref (1+r 2 /r 1 ) +i adj r 2 v ref 50 m a adj 4.7 m f + 600ma cur r ent sour ce t ypical adjustable regulator
2002 shor t for m catalog p-138 ?copyright 2001 sipex corporation p or dering infor mation - please consult the factor y for pricing and availability on a t ape-on-reel option. par t number accur acy output v oltage packages sp2810am3 1% adj. 3 pin sot -223 sp2810am3-2.5 1% 2.5v 3 pin sot -223 sp2810am3-3.0 1% 3.0v 3 pin sot -223 sp2810am3-3.3 1% 3.3v 3 pin sot -223 sp2810ar 1% adj. 3 pin to-252 sp2810ar-2.5 1% 2.5v 3 pin to-252 sp2810ar-3.0 1% 3.0v 3 pin to-252 sp2810ar-3.3 1% 3.3v 3 pin to-252 sp2810au 1% adj. 3 pin to-220 sp2810au-2.5 1% 2.5v 3 pin to-220 sp2810au-3.0 1% 3.0v 3 pin to-220 sp2810au-3.3 1% 3.3v 3 pin to-220 sp2810a t 1% adj. 3 pin to-263 sp2810a t -2.5 1% 2.5v 3 pin to-263 sp2810a t -3.0 1% 3.0v 3 pin to-263 sp2810a t -3.3 1% 3.3v 3 pin to-263 sp2810m3 2% adj. 3 pin sot -223 sp2810m3-2.5 2% 2.5v 3 pin sot -223 sp2810m3-3.0 2% 3.0v 3 pin sot -223 sp2810m3-3.3 2% 3.3v 3 pin sot -223 sp2810r 2% adj. 3 pin to-252 sp2810r-2.5 2% 2.5v 3 pin to-252 sp2810r-3.0 2% 3.0v 3 pin to-252 sp2810r-3.3 2% 3.3v 3 pin to-252 sp2810u 2% adj. 3 pin to-220 sp2810u-2.5 2% 2.5v 3 pin to-220 sp2810u-3.0 2% 3.0v 3 pin to-220 sp2810u-3.3 2% 3.3v 3 pin to-220 sp2810t 2% adj. 3 pin to-263 sp2810t -2.5 2% 2.5v 3 pin to-263 sp2810t -3.0 2% 3.0v 3 pin to-263 sp2810t -3.3 2% 3.3v 3 pin to-263 1 3 2 so t -223 (m3) t op vie w t o-263-3 (t) 1 2 3 f ront vie w t o-220-3 (u) 1 2 3 f ront vie w t o-252 (r) adj/gnd v out 1 2 3 v in adj/gnd v out v in adj/gnd v out v in adj/gnd v out v in t op vie w packages spx2810
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