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e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 1 of 16 5f15 n rev. f 001 description the ec8803 is a 4 - low (low - dropout, low - noise, low - quiescent current, low - cost) linear regulator that operations in the input voltage range from +2.2v to +7.0v and delivers 300ma output current. the high - accuracy output voltage is preset at an internally trimmed voltage 2.5v or 3.3v. other output voltages can be mask - optioned from 1.2v to 5.0v with 100mv increment, except ec8803 which has 2.85v output voltage. the ec8803 consists of a 1.25v ba nd - gap reference, an error amplifier, and a p - channel pass transistor. other features include short - circuit protection and thermal shutdown protection. the ec8803 devices are available in sot - 23, tsot - 23, sot - 89 and to - 92 packa ges. features ? operating voltages range +2.2v to +7.0v ? output voltages range +1.2v to +5.0v with 100mv increment ? maximum output current 300 ma ? low dropout: 125mv @ 100ma (vout R 2.0 v) ? 2% output voltage accuracy (special 1% highly accurate) ? output current limit protectio n (500ma) ? short circuit protection (150ma) ? thermal overload shutdown protection ? low esr capacitor compatible ? sot - 23, tsot - 23, sot - 89, to - 92 packages ? rohs compliant and 100% lead (pb) - free and green (halogen free with commercial standard) applications ? bat tery powered equipments ? palmtops ? reference voltage sources ? portable cameras and video recorders ? post regulator for switching power
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 2 of 16 5f15 n rev. f 001 output voltage accuracy (1:1%; 2:2%) p i n t y p e : sot23:c/g sot89:l/i n normal g : green type package type b1=sot23 t1=tsot23 b6= sot89 3l a6=to92 - 3l o u t pu t v o l t age(exam): vout= 1.8v= - 18 vout= 2.5v= - 25 vout= 3.3v= - 33 ordering information ec 8803 - x x - x x x x x package part number marking marking information sot - 23 ec8803 xxb1cg1 3 vxx1 the 1st c haracter repres e n t s the product p art . example: ec8803=3 v is the output v ol t age of p roduc ti on. example: 5=1.2v; 8=1.5v; a=1.8 v , d=2.0v; g= 2.5 v , j=2.7v;k=2.8v;m=3.0v; q=3 . 3 v . v=3.6v xx represen t s t h e production da t e code. ec8803 xxb1cg2 3 vxx2 ec8803xxb1gg1 3 v xx1 EC8803XXB1GG2 3 v xx2 tsot23 ec8803xxt1ng1 3vxx1 ec8803xxt1ng2 3vxx2 sot89 ec8803xxb6lg1 3v x x1 ec8803xxb6lg2 3v x x2 e c8803xxb6ig1 3vx x 1 ec8803xxb6ig2 3vx x 2 to92 ec8803xxa6ng1 3vxx1 ec8803xxa6ng2 3vxx2 note: there is an under - line on 1st c h aracter r epre s en t s the pin out t y pe of c t y pe p ackage. there is an un de r - line on 2nd ch a racter r e presen t s the pin out t y pe of g t y pe p acka g e. there is an un de r - line on 3rd ch ar acter re p resen t s the pin out t y pe o f l t y pe p ackage there is an un de r - line on 4th ch ar acter re p resen t s the pin out t y pe o f i t y pe p ackage circuit type
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 3 of 16 5f15 n rev. f 001 pin assignment & pin description
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 4 of 16 5f15 n rev. f 001 absolute maximum rating parameter s y mbol v alue uni t s input v o l t a g e v in to gnd v in 7 .0 v output current limit, i li m it i out 500 m a juncti o n t e mperature tj +155 c t hermal resis t ance sot23 ja 280 c/ w tsot23 280 c/ w sot89 180 c/ w to - 92 160 c/ w p o w e r dis s i p a tion sot23 p d 350 mw tsot23 350 mw so t - 89 550 mw to - 92 550 mw s torage t e mp e rature t s t g - 55 to+150 c operati n g am b ient t e mperat u re t opr - 40 to+125 c le a d t e mpera t ure (so l der i ng, 10sec) + 260 c moistur e sensitivity level msl 3 -- no t e *stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and function operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. exposure to absolute - maximum - rated conditions for extended periods may affect device reliability. * the power dissipation of ufn - 6 would be 500 mw normally with the 0.5x0.5 square inches cooper area connected to the bottom pad. however, it could be up to 1000mw with larger cooper area.
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 5 of 16 5f15 n rev. f 001 electrical characteristics ( t a = 2 5 c, u n less ot h e r w ise noted.) symbol parameter test conditions min typ max unit v in input voltage 2.2 7.0 v v out output voltage vin=vout +0.8v, iout =1ma, vin R - 2% v out +2% v vin=vout +0.8v, iout =1ma, v in R - 1% +1% i max maximum load current v out+0.8v Q Q 300 ma i limit current limit 0.5 a i sc short circuit cur rent v out =0v, v in 150 ma iq ground pin current i load =0ma to 300ma, v in=vout+0.8v 15 30 a v drop dropout voltage i out =100ma, v in R 125 140 mv i out =200ma, v in R 250 280 i out =300ma, v in R 550 650 ? line regulation v out +0.8v e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 6 of 16 5f15 n rev. f 001 block diagram
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 7 of 16 5f15 n rev. f 001
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 8 of 16 5f15 n rev. f 001
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 9 of 16 5f15 n rev. f 001
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 10 of 16 5f15 n rev. f 001
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 11 of 16 5f15 n rev. f 001
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 12 of 16 5f15 n rev. f 001 mechanical dimensions outl i ne dr a wing so t - 23
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 13 of 16 5f15 n rev. f 001 mechanical dimensions outl i ne dr a wing t so t - 23
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 14 of 16 5f15 n rev. f 001 mechanical dimensions outl i ne dr a wing so t - 89
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 15 of 16 5f15 n rev. f 001 mechanical dimensions outl i ne dr a wing to - 92
e c 8803 4 - low 300ma linear regulator e - cmos corp. ( ww w .ecmos.com.tw ) page 16 of 16 5f15 n rev. f 001

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