ec50117c 1 a low dropout positive voltage regulator e - c m o s c o r p . ( ww w . e c m o s . c o m . t w ) p a g e 1 o f 8 4 h13 n - rev. f00 3 general description features the ec50117c series are available in fixed and adjustable output voltage versions. over current and thermal overload protection are integrated onto the chip. output current will decrease while it reaches the preset current or temperature limit. the dropout voltage is specified at 1.2v maximum at full rated output current. ec50117c series provide excellent regulation over variations due to changes in l ine, load and temperature. ec50117c series are three terminal regulators a nd available in popular packages. low dropout voltage 1.2v at 1 a adjustable or fixed voltage (1.8v, 2.5v, 3.3v, 5v) over current protection thermal overload protection maximum line regulation 0.45% maximum load regulation 0.4% adjust pin cur rent less than 90 ua applications scsi - 2 active termination high efficiency linear regulators 5v to 3.3v voltage converter battery charger battery manag ement circuits for notebook and palmtop pcs core voltage supply: fpga, pld, dsp, cpu pin assignment p a c k age : s o t 89 - 3l package: sot 89 - 3l (pin type a) package: to 252 - 3l p a c k age : s o t 22 3 - 3l
ec50117c 1 a low dropout positive voltage regulator e - c m o s c o r p . ( ww w . e c m o s . c o m . t w ) p a g e 2 o f 8 4 h13 n - rev. f00 3 o r d e r i n g i n fo r m a t i o n part number package marking ma rking information ec5 0 117 c xxa4nr to252 - 3l 117c - xx ywlllll 1. x x is the output voltage of production. 18=1.8v 25=2.5v;33=3.3v;50=5v;aj=adj 2 . ywlllll: lot no & date code 3. n is only type ec5 0 117 c xxb 6 nr sot89 - 3l 117c - xx ywlllll ec50117cxxb6ar 117c - xx ywlllla ec50117c xxb7nr sot223 - 3l 117c - xx ywlllll ec50117c xxa8nr to263 - 2l 117c - xx ywlllll absolute maximum ratings characteristics symbol maximum unit dc supply voltage v in 20v v operating junction temperature range t opr 0 to +125 c storag e temperature range t s tg - 65 to 150 c lead temperature (soldering) 5 sec t lead 260 c electrostatic discharge sensitivity 2 kv/min thermal resistance junction to ambient s o t 8 9 - 3l ja 175 c / w s o t 22 3 - 3l 135 t o 2 5 2 - 3l 100 to263 - 2l 60 thermal resistance junction to case s o t 8 9 - 3l jc 58 c / w s o t 22 3 - 3l 15 t o 2 5 2 - 3l 12 to263 - 2l 4 internal power dissipation s o t 8 9 - 3l p d 0. 57 w s o t 22 3 - 3l 0.7 4 t o 2 5 2 - 3l 1 to263 - 2l 1.67
ec50117c 1 a low dropout positive voltage regulator e - c m o s c o r p . ( ww w . e c m o s . c o m . t w ) p a g e 3 o f 8 4 h13 n - rev. f00 3 electrical characteristics ( c i =10uf, c o =100uf, unless otherwise noted. ) parameter test conditions min typ max units output voltage ec50 117 c - 1 . 8 v i o = 0 ma, v in =3.3 v 1.7 64 1.800 1.8 36 v ec50 117 c - 2 . 5 v i o = 0ma, v in =4 v 2.4 50 2.500 2.5 50 v ec 50 117 c - 3 . 3 v i o = 0ma, v in =4.8 v 3. 2 34 3.300 3.3 66 v ec50 117 c - 5 . 0 v i o = 0ma, v in =6.5 v 4.9 0 0 5.000 5. 10 v reference voltage ec50117c - adj i o =10ma,v in - v o =3v 1.23 2 1.25 1.26 8 line regulation ec50117c - 1 . 8 v i o = 0 ma, v in =3.3~10 v --- 1 6 mv ec5011 7c - 2 . 5 v i o = 0ma, v in =4~10 v --- 1 7 mv ec50117c - 3 . 3 v i o = 0ma, v in =4.8~10 v --- 2 7 mv ec50117c - 5 . 0 v i o = 0ma, v in =6.5~10 v --- 3 10 mv ec50117c - adj i o = 1 0ma, v in - v o =1.5~10v --- 0.1 0.4 % load regulation ec50117c - 1 . 8 v i o =0~800ma,v in =3.3v,t j =25 o =0~10 00ma,v in =3.3v, note1 --- --- 1 ec50117c - 2 . 5 v i o =0~800ma,v in =4 v,t j =25 o =0~10 00ma,v in =4v, note1 --- --- 1 ec50117c - 3 . 3 v i o =0~800ma,v in =4.8v,t j =25 o =0~10 00ma,v in =4.8v, note1 --- --- 1 ec50117c - 5 . 0 v i o =0~800ma,v in =6.5v,t j =25 o =0~10 00ma,v in =6.5v, note1 --- --- 1 ec50117c - adj i o =0~800ma,v in =2.75v,t j =25 o =0~10 00ma,v in =2.75v, note1 --- --- 1 dropout voltage ( note3 ) ec5 0 117 c - adj /1.8/2.5/3.3/5.0 i o =100ma , t j =25 o = 5 00ma , t j =25 o = 10 00ma , t j =25 o = 10 00ma , --- 1.2 1.55 current limit ec5 0 117 c - adj /1.8/2.5/3.3/5.0 v in - v o = 1.5v 2000 2600 3200 m a minimum load current ec5 0 117 c - adj (note1¬e2 ) v in - v o = 13.75 v note1¬e2 --- 1.7 5 ma quiescent current ec5 0 117 c - 1.8/2.5/ 3.3/5.0 (note1) v in - v o = 5 v note1 --- 6 10 ma adjust pin current (note1¬e2) --- i o =10ma, v in - v o = 1.5v note1¬e2 --- 50 1 2 0 a o =10ma, v in - v o = 1. 4~10 v --- 0.5 5 ua ripple rejection ec5 0 117 c - adj /1.8/2.5/3.3/5.0 f =120 hz,v in - v o =3v+1.5vpp,co=22uf --- 6 2 --- db temperature drift ec5 0 117 c - 1.8/2.5 /3.3/5.0 t j =0~25 j =0~25
ec50117c 1 a low dropout positive voltage regulator e - c m o s c o r p . ( ww w . e c m o s . c o m . t w ) p a g e 4 o f 8 4 h13 n - rev. f00 3 characteristics curve
ec50117c 1 a low dropout positive voltage regulator e - c m o s c o r p . ( ww w . e c m o s . c o m . t w ) p a g e 5 o f 8 4 h13 n - rev. f00 3 mechanical dimensions o utline drawing sot 223 - 3l
ec50117c 1 a low dropout positive voltage regulator e - c m o s c o r p . ( ww w . e c m o s . c o m . t w ) p a g e 6 o f 8 4 h13 n - rev. f00 3 mechanical dimensions (continued) o utline drawing sot89 - 3l
ec50117c 1 a low dropout positive voltage regulator e - c m o s c o r p . ( ww w . e c m o s . c o m . t w ) p a g e 7 o f 8 4 h13 n - rev. f00 3 mechanical dimensions (conti nued) o utline drawing to 252 - 3l
ec50117c 1 a low dropout positive voltage regulator e - c m o s c o r p . ( ww w . e c m o s . c o m . t w ) p a g e 8 o f 8 4 h13 n - rev. f00 3 mechanical dimensions (continued) o utline drawing to263 - 2l
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