2002 shor t for m catalog p-139 ?copyright 2001 sipex corporation p description the spx2815 is a low power 1.5a that is available in either an adjustable or fixed output voltage version. it r equir es only 2 exter nal r esistors to set the output voltage for the adjustable version. this device is an excellent choice for use in powering low voltage micr o - pr ocessor that r equir e a lower dr opout voltages and faster transient or as a post r egulator for switching supply applications. the spx2815 has a ver y low quiescent cur r ent and a low dr opout voltage of 1.2v at full load. the spx2815 featur es over cur r ent limit and pr otection against over -cur r ent faults, r eversed input polarity , r eversed load inser - tion, and positive and negative voltage transients. the spx2815 is of fer ed in industr y standar d 3-pin to-220, to-263 and to-252 packages. spx2815 1.5a lo w dr opout, adjustab le and fix ed output v olta g e regulator featur es n guaranteed 1.5a output cur r ent n adjustable output down t o 1.2v n fixed output v oltages 2.5v , 3.3v , 5.0v 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 and to-252 n similar to industr y standar d l t1086/l t1586 applications n powering vga and sound car d n powerpc supplies n smps post-regulator n high ef ficiency ?r een computer systems n high ef ficiency linear power supplies n por table instr umentation n constant cur r ent regulators n adjustable power supplies n batter y char ger typical application cir cuits spx2815 basic fixed regulator v in v out 5v c1 10 m f c1 10 m f 3.3v spx2815 basic adjustable regulator v out v ref r 1 r 2 i adj 50 m a v out v out = v ref * ( 1 + r 2 /r 1 ) + i adj * r 2
2002 shor t for m catalog p-140 ?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 sp2815ar 1% adj. 3 pin to-252 sp2815ar-2.5 1% 2.5v 3 pin to-252 sp2815ar-3.3 1% 3.3v 3 pin to-252 sp2815ar-5.0 1% 5.0v 3 pin to-252 sp2815au 1% adj. 3 pin to-220 sp2815au-2.5 1% 2.5v 3 pin to-220 sp2815au-3.3 1% 3.3v 3 pin to-220 sp2815au-5.0 1% 5.0v 3 pin to-220 sp2815a t 1% adj. 3 pin to-263 sp2815a t -2.5 1% 2.5v 3 pin to-263 sp2815a t -3.3 1% 3.3v 3 pin to-263 sp2815a t -5.0 1% 5.0v 3 pin to-263 sp2815r 1% adj. 3 pin to-252 sp2815r-2.5 1% 2.5v 3 pin to-252 sp2815r-3.3 1% 3.3v 3 pin to-252 sp2815r-5.0 1% 5.0v 3 pin to-252 sp2815u 1% adj. 3 pin to-220 sp2815u-2.5 1% 2.5v 3 pin to-220 sp2815u-3.3 1% 3.3v 3 pin to-220 sp2815u-5.0 1% 5.0v 3 pin to-220 sp2815t 1% adj. 3 pin to-263 sp2815t -2.5 1% 2.5v 3 pin to-263 sp2815t -3.3 1% 3.3v 3 pin to-263 sp2815t -5.0 1% 5.0v 3 pin to-263 t op v iew t o-263-3 (t) 1 2 3 adj/gnd v out v in fr ont v iew t o-220-3 (u) 1 2 3 adj/gnd v out v in t o-252 (r) 3 2 1 fr ont v iew adj/gnd v out v in packages spx2815
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