1a adjustable/fixed low dropout linear regulator - lo w d r op out vo l t age - loa d reg u l a tio n: 0. 2% ty p i cal - optim ized f o r low v o l t age - on-chi p t h e r m a l li m iting - s t an dard so t - 223 an d t o -252 pac k a g es - thre e-term inal a d j u sta b l e or fixe d lo w dropo ut 1.2v ,1. 5 v , 1. 8 v , 2.5v , 2. 85v , 3. 3v , 5v . re gul at ors - active scsi term inators - high ef ficiency linear regulators - post re gul at ors for sw itc hi ng s u p p li es - bat t ery char gers - 12v to 5v l i n ear re gu lat o r s - m o th erbo ard cl ock su pp l i es the am s 1 1 1 7 - a d j and am s 1 1 1 7-1 . 2,-1 . 5 ,-1 . 8,-2 . 5 ,- 2 . 8 5 , - 3 . 3 a n d-5 are l o w dr o p o u t three- t e r m inal re g u l a tors w i th 1a ou tp ut cu rrent c a p a bi li t y . thes e dev i ces h a ve bee n opt im ized for low vol t age where tra n sie n t res p onse a n d m i nim u m input v o lt age ar e crit ic al. th e 2.8 5 v versi o n is desi gne d s p ec ifica lly t o b e used in acti v e t e rm inators for scsi bus. on-chi p t h er m a l li m itin g p r ovi des prot ec tio n a g a i nst an y com b inati on o f overl oa d a n d am bien t t e m p eratures th at w oul d crea te e x cessi ve j unc tio n t e m p eratures. u n lik e pn p ty pe re gul at ors w h ere u p t o 1 0 % of the o u t put current is was t ed as qui e sce n t curre nt, t h e quies c e n t cur - rent of the ams 1 1 1 7 flo w s i n to t h e l o a d , inc r eas i n g e f f i - cie n cy . the ams 1 1 17 series regul a t o rs are ava i l a ble in the indus- try - standar d so t - 223 an d t o -252 pow er pac k ag es. key features applications general description typical application notice: the distance between vout pin and capacito r should not exceed 4cm for excellent performance figure 1. typical applications of AMS1117 |