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| lr8563 low noise, fast response 300ma ldo regulato r general description lr8563 series is a group of positive voltage output, low power consumption, low dropout voltage regulator. lr8563 can provide output value in the range of 1.5 v ~4.5v every 0.1v step. it also can be customized on command. lr8563 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver modul e with discharge capability. lr8563 has excellent load and line transient re sponse and good temp erature characterist ics, which can assure the stability of chip and po wer system. and i t uses trimming techniq ue to guarantee output voltage accuracy within 2%. lr8563 is available in sot-23-5, sc-70-5 packages w h ich is lea d free. it also can available in these packages with lead. features ? low power consumption: 15ua
typ. ? l o w o u t p u t n o i s e ( 4 7 u v r m s ) ? standby mode: 0.1ua ? low dropout voltage0.16v@300ma (typ.) ? h i g h r i p p l e r e j e c t i o n : 7 3 d b @ 1 0 (typ.) 0 h z : 1 . 5 v ~ 4 . 5 v u e v e r y 0 . 1 v s t e p ) t e : 2% ( 1% i t o n e s a n d ? battery powered equipment ? power management of mp3, pda, dsc, ? low temperature coefficient: 100ppm/ c ? e x c e l l e n t l i n e r e g u l a t i o n : 0 . 0 5 % / v ? build-in chip enable and discharge circuit ? o u t p u t v o l t a g e r a n g e ( c s t o m i z e d o n c o m m a n d ? h i g h l y a c c u r a customized) ? o u t p u t c u r r e n t l i m applications ? p o w e r s o u r c e f o r c e l l u l a r p h various kind of pcss lr8563 ty pical performance characteristics lr8563 ty pical application circuit - p b e 3 f h v m b u j p o 7 * / 7 * p v u n " 7 p v u 7 lr8563 leshan radio co ., ltd 1/9 pin assignment output voltage 15 l l 1.5v 28 l l 2.8v 30 l l 3.0v 35 l l 3.5v l l 45 l l 4.5v f eatures p standard defualt a lead free c customized package t y pe ra: sot - 23-5 rb: sot - 23-5 q : sc70-5 selection guide lr8563 - xx x x lr8563- xxpq lr8563-xxprx pin description pin number sy mbol function s c - 7 0 - 5 s o t - 2 3 - 5 a s o t - 2 3 - 5 b 5 5 1 v o u t output pin 1 1 3 v d d input pin 2 2 2 g n d ground pin 3 3 4 c e chip enable pin 4 4 5 nc no connection leshan radio co ., ltd 2/9 product classification output voltage package type product name package type product name package type product name 1.5v sot-23- 5a lr8563-15pra sot-23-5b lr8563-15prb sc70-5 LR8563-15PQ 1.8v sot-23- 5a lr8563-18pra sot-23-5b lr8563-18prb sc70-5 lr8563-18pq 2.1v sot-23- 5a lr8563-21pra sot-23-5b lr8563-21prb sc70-5 lr8563-21pq 2.5v sot-23- 5a lr8563-25pra sot-23-5b lr8563-25prb sc70-5 lr8563-25pq 2.8v sot-23- 5a lr8563-28pra sot-23-5b lr8563-28prb sc70-5 lr8563-28pq 3.0v sot-23- 5a lr8563-30pra sot-23-5b lr8563-30prb sc70-5 lr8563-30pq 3.2v sot-23- 5a lr8563-32pra sot-23-5b lr8563-32prb sc70-5 lr8563-32pq 3.3v sot-23- 5a lr8563-33pra sot-23-5b lr8563-33prb sc70-5 lr8563-33pq 3.5v sot-23- 5a lr8563-35pra sot-23-5b lr8563-35prb sc70-5 lr8563-35pq 4.5v sot-23- 5a lr8563-45pra sot-23-5b lr8563-45prb sc70-5 lr8563-45pq product marking information sc70-5 sot23-5a sot23-5b lr8563 leshan radio co ., ltd 3/9 block diagram absolute maximum ratings max input voltage ---------------------------------------------------------------------------- 8v junction temperature (t j ) ----------------------------------------------------------------- 125 c output current -------------------------------------------------------------------------------- 300ma power dissipation sot-23-5 --------------------------------------------------------------------------------------- 250mw storage temperature (ts) ----------------------------------------------------------------- -45 c j 150 c recommended work conditions i t e m m i n r e c o m m e n d e d m a x u n i t input voltage range 6 v ambient temperature -40 85 c leshan radio co ., ltd 4/9 electrical characteristics test conditions: cin=1uf,cout=3.4uf,ta=25 c, unless otherwise specified. lr8563 for arbitrary output voltage sy m b o l p a r a m e t e r c o n d i t i o n s m i n ty p m a x u n i t s v i n i n p u t v o l t a g e 6 v v o u t o u t p u t v o l t a g e vin=set vout+1v 1ma iout 30ma vout x0.98 vout1 vout x 1 .02 v iout (max.) maximun output current v i n - v o u t = 1 v 3 0 0 m a i o u t = 1 0 0 m a 5 0 8 0 m v vdrop 1 dropout voltage,vout 2.8v i o u t = 3 0 0 m a 1 6 0 2 2 0 m v vo u vin vout ? ? ? line regulation iout=40ma 2.8v vin 6v 0 . 0 5 0 . 2 % / v vout ? / iout ? load regulation vin=set vout+1v 1ma iout 300ma 3 0 5 0 m v iss supply current vin=set vout+1v 15 25 ua istandby supply current (srandby) vin=set vout+1v vce=gnd 0 . 1 1 . 0 u a vout t vout ? ? ? output voltage temperature coefficiency i o u t = 3 0 m a 100 ppm/ c p s r r r i p p l e r e j e c t i o n f=100hz, ripple=0.5vp-p vin=set vout+1v 7 0 d b ilim short current limit vout=0v 500 ma rpd ce pull down resistance 2 . 0 5 . 0 1 0 . 0 m ? vceh ce input voltage ?h? 1.5 vin v vcel ce input voltage ?l? 0 0.25 v e n o u t p u t n o i s e b w = 1 0 h z ~ 1 0 0 k h z 47 u v r m s 1) vdrop= vin1-(vout2*0.98) vout2 is the output voltage w hen vin= vout1+ 1.0v and iout= 300ma vin1 is the input voltage at w h ich t he output voltage becomes 98% of vout1 after gradually decreasing the input voltage. leshan radio co ., ltd 5/9 ty pical application circuit application hints note1: input capacitor (cin=1uf) is recommended in all application circuit. note2: output capacitor (cout=3.3uf/4.7uf) is recommended in all application to assure the stability of circuit. explanation lr8563 series is a group of positive voltage output, low noise, low power consumption, low dropout voltage regulator. lr8563 can provide output value in the range of 1.5v~4.5v every 0.1v step. it also can be customized on command. lr8563 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. lr8563 has excellent load and lin e transient r e sponse an d good temperature char acteristics, which can assure the stability of chip and power system. and it uses trimming technique to guarantee output voltage accuracy within 2%. lr8563 leshan radio co ., ltd 6/9 ty pical performance characteristics 1) output voltage vs. output current (with output short protection) 2) output voltage vs. input voltage $ v s s f o u m j n j u 7 t 7 p v u * m p b e n " 7 p v u 7 - j o f 3 f h v m b u j p o 7 * / 7 7 0 6 5 7 * m p b e n " 3) dropout voltage vs. output current 4) ripple rejection vs. frequency % s p q p v u * p v u * p v u n " % s p q p v u n 7 7 p v u 7 1 4 3 3 ' s f r , ) [ 1 4 3 3 e # 7 p v u 7 leshan radio co ., ltd 7/9 5) line transient response cin=cout=1uf iout=25ma vout=3.3v 6) load transient response cin=cout=1uf vin=4.5v vout=3.3v 5v 4v vout vin vout vin 5v 4v 1ma 50ma output v o ltage l output current 50ma output voltage output current 1ma 7) startup response 8) shutdown response en volta g e en volta g e output volta g e output volta g e leshan radio co ., ltd 8/9 package information sot-23-5 package specification unit: mm sc70-5 package specification unit: mm leshan radio co ., ltd 9/9 |
Price & Availability of LR8563-15PQ
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