View BL8503-12T1SA_9001495.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

http://www.belling. com.cn - 1 - 10/24/2016 total 12 pages 250ma cmos low dropout voltage low consumption r egulator bl8503 outline bl8503 series is a group of positive voltage output, low power consumption, low dropout voltage, three terminal regulator. it can provide 250ma output current when inpu t / output voltage differential drops to 400mv vin =4.0v vout=3.0v the very low power consumption of bl8503 iq=3.0ua can greatly improve natural life of batteries. bl8503 can provide output value in the range of 1.2v~6.0v in 0.1v steps. it also can c ustomized on command. bl8503 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. bl8503 has well load transient response and good temperature characteristic, which can assure the stability of chip and power system. and it uses trimming technique to guarantee output voltage accuracy within 2%. bl8503 is available in sot - 89 - 3 sot - 23 - 3,to - 92 packages which is lead free it also can available in these packages with lead. features ? low power consumption 3.0ua typ. ? maximum output current 250ma ? small dropout voltage 170mv@100ma (vout=3.0v) 400mv@250ma (vout=3.0v) ? input voltage range 1.5v 10v ? output voltage range 1.2v~6 .0v customized on command in 0.1v steps ? highly accurate 2%( 1% customized ? output current limit applications ? battery powered equipment ? power management of mp3 pda dsc mouse ps2 games ? reference voltage source ? regulation after switching power bl8503 typical appl ication circuit bl8503 typical performance characteristic application hints note1 input capacitor (cin=1uf) is recommended in all application circuit. tantal um capacitor is recommended. note2 output capacitor (cout=1uf) is recommended in all application to assure the stability of circuit. tantalum capacitor is recommended. output voltage vs. output current(vout=1.5v ) 1 1.1 1.2 1.3 1.4 1.5 1.6 0 100 200 300 output current ma output voltage v
http://www.belling.com.cn - 2 - 10/24/2016 total 12 pages bl8503 selection guide bl8503 - xx x x x pin description pin number pin name function sot - 23 - 3 sot - 89 - 3 sm sot - 89 - 3 (sa) sot - 89 - 3 (sb) to - 92 1 1 1 2 1 vss ground 3 2 3 3 2 v in supply voltage input 2 3 2 1 3 vout output voltage pin assignment product classification pin configuration bl85 03 - prm bl85 03 - psm bl8503 - psa bl8503 - psb bl85 03 - pt packages rm sot - 23 - 3 sm sot - 89 - 3 (default) sa sot - 89 - 3 sb sot - 89 - 3 t to - 92 temperature range p standard default lead free c standard custom ized output voltage 12 1.2v 18 1.8v 21 2.1v 25 2.5v 28 2.8v 30 3.0v 3 3 3. 3 v 35 3.5v 40 4.0v 45 4.5v 50 5.0v 6 0 6 .0v output accucy default 2 1 1 customized
http://www.belling.com.cn - 3 - 10/24/2016 total 12 pages bl8503 product classification bl8503 - 12prm 1.2v sot - 23 - 3 bl8503 - 15prm 1.5v sot - 23 - 3 bl8503 - 21prm 2.1v sot - 23 - 3 bl8503 - 25prm 2.5v sot - 23 - 3 bl8503 - 30prm 3.0v sot - 23 - 3 ---------- ---------- sot - 23 - 3 bl8503 - 5 0prm 5.0v sot - 23 - 3 bl8503 - 12psm 1.2v sot - 89 - 3 bl8503 - 15psm 1.5v sot - 89 - 3 bl8503 - 21psm 2.1v sot - 89 - 3 bl8503 - 25psm 2.5v sot - 89 - 3 bl8 503 - 30psm 3.0v sot - 89 - 3 ---------- ---------- sot - 89 - 3 bl8503 - 5 0psm 5.0v sot - 89 - 3 bl8503 - 12psa 1.2v sot - 89 - 3 bl8503 - 15psa 1.5v sot - 89 - 3 bl8503 - 21psa 2.1v sot - 89 - 3 bl8503 - 25psa 2.5v sot - 89 - 3 bl8503 - 30psa 3.0v sot - 89 - 3 -- -------- ---------- sot - 89 - 3 bl8503 - 5 0psa 5.0v sot - 89 - 3 bl8503 - 12psb 1.2v sot - 89 - 3 bl8503 - 15psb 1.5v sot - 89 - 3 bl8503 - 21psb 2.1v sot - 89 - 3 bl8503 - 25psb 2.5v sot - 89 - 3 bl8503 - 30psb 3.0v sot - 89 - 3 ---------- ---------- sot - 89 - 3 bl8503 - 5 0psb 5.0v sot - 89 - 3 bl8503 - 12pt 1.2v to - 92 bl8503 - 15pt 1.5v to - 92 bl8503 - 21pt 2.1v to - 92 bl8503 - 25pt 2.5v to - 92 bl8503 - 30pt 3.0v to - 92 ---------- ---------- to - 92 bl8503 - 5 0pt 5.0v to - 92
http://www.belling.com.cn - 4 - 10/24/2016 total 12 pages bl8503 bloc k diagram absolute maximum ratings max input voltage -------------------------------- -------------------------------- ------------------ 10v junction temperature (t j ) -------------------------------- -------------------------------- ------- 125 ? c ambient temperature(t a ) -------------------------------- -------------------------------- -------- - 40 ? c 85 ? c power dissipation sot - 23 - 3 -------------------------------- -------------------------------- -------------------------- 0.15w sot - 23 - 5 -------------------------------- -------------------------------- -------------------------- 0.25w sot - 89 - 3 -------------------------------- -------------------------------- -------------------------- 0.5w storage temperature(ts) -------------------------------- -------------------------------- -------- - 45 ? c 150 ? c lead temperature and time -------------------------------- -------------------------------- ---- 260 ? c,10s recommended work conditions item min recommended max unit input voltage range 8 v ambient temperature - 40 +125 ? c electrical characteristics test conditions cin= 1uf,cout=1uf,t a =25 ? c, unless otherwise specified. bl8503 - 1.5v symbol parameter conditions min typ max units vin input voltage 8 v vout output voltage 1.47 1.5 1.53 v iout(max.) maximum output current vin=2.5v,vout>1.47 250 ma dropout voltage in put - output voltage differential iout=100ma 270 400 mv line regulation iout=40ma 1.6v vout vin vout ? ? ? vout ?
http://www.belling.com.cn - 5 - 10/24/2016 total 12 pages bl8503 output voltage temperature coefficient iout=10ma 50 ppm/ ? c bl8503 - 1.8v symbol parameter conditions min typ max units vin input voltage 8 v vout output voltage 1.764 1.8 1.836 v iout(max.) maximum output current vin=2.8v,vout>1. 764 250 ma dropout voltage input - output voltage differential iout=100ma 270 400 mv line regulation iout=40ma 2v ? ? vout t vout ? ? ? vout vin vout ? ? ? vout ?
http://www.belling.com.cn - 6 - 10/24/2016 total 12 pages bl8503 load regulation vin=4.0v 1ma iout 100ma 20 40 mv iq quiescent current vin=4v 3.0 5.0 ua output voltage temperature coefficient iout=10ma 50 ppm/ ? c bl8503 - 5.0v symbol parameter co nditions min typ max units vin input voltage 8 v vout output voltage 4.9 5.0 5.1 v iout(max.) maximum output current vin=6v,vout>4.9 v 250 ma dropout voltage input - output voltage differential iout=100ma 170 300 mv iout=200ma 320 500 line regulation iout=40ma 5 .2v ? typical application circuit bl8503 is a series of low dropout voltage and low power consumption three pins regulator. its application circuit is very simple, which only needs two outside capacitors. it is composed of these modules: high accuracy volt age reference, current limit circuit, error amplifier, output driver and power transistor. current limit module can keep chip and power system away from danger when load current is more than 250ma. bl8503 uses trimming technique to assure the accuracy of output value within 2%, at the same time, temperature compensated is elaborately considered in this chip, which makes bl8503 s temperature coefficient within 5 0 ppm/ application hints note1 vout ? vout t vout ? ? ? vout vin vout ? ? ?
http://www.belling.com.cn - 7 - 10/24/2016 total 12 pages bl8503 typical performance characteristics output voltage vs output current(vout=1.5v) 1 1.1 1.2 1.3 1.4 1.5 1.6 0 50 100 150 200 250 300 output current ma output voltage v output voltage vs output current(vout=3.0v) 2.8 2.85 2.9 2.95 3 3.05 0 50 100 150 200 250 300 output current ma output voltage v 1.load regulation 2.line regulation line regulation 1.48 1.485 1.49 1.495 1.5 1.505 1.51 1 2 3 4 5 6 7 8 input voltage v output voltage v iout=40ma iout=6ma line regulation (vout=3.0v) 2.93 2.95 2.97 2.99 3.01 3.03 3.05 3.07 3 4 5 6 7 8 9 10 input voltage v output voltage v iout=40ma iout=3ma dropout voltage (vout=3.0v) 2.96 2.97 2.98 2.99 3 3.01 3.02 3.03 3.04 3.05 3 3.2 3.4 3.6 3.8 4 input voltage v output voltage v iout=100ma iout=200ma 3.dropout voltage dropout voltage (vout=1.5v) 1 1.1 1.2 1.3 1.4 1.5 1.6 1.5 1.8 2.1 2.4 2.7 3 input voltage v output voltage v iout=100ma iout=200ma
http://www.belling.com.cn - 8 - 10/24/2016 total 12 pages bl8503 4 input voltage transient response vout=1.5v,iout=10ma input voltage transient response vout=1.5v,iout=1ma input voltage transient response vout=3.0v,iout=1 0ma input voltage transient response vout=3.0v,iout=1ma 5 load transient response vout=1.5v load transient response vout=3.0v cin=cout=1uf vin=3.5v vin=2.5v cin=cout=1uf vin=3.5v vin=2.5v cin=cout=1uf vin=5v vin=4v cin=cout=1uf vin=5v vin=4v iout=40ma iout=1ma iout=40ma iout=1ma
http://www.belling.com.cn - 9 - 10/24/2016 total 12 pages bl8503 package outline package sot - 89 - 3 devices per reel 1 000 unit mm package dimension : t aping specification : m1 standard type m2 customized
http://www.belling.com.cn - 10 - 10/24/2016 total 12 pages bl8503 taping reel dimension sot - 23 - 3: package sot - 23 - 3 devices per reel 3 000 unit mm package dimension
http://www.belling.com.cn - 11 - 10/24/2016 total 12 pages bl8503 taping specification taping reel dimension
http://www.belling.com.cn - 12 - 10/24/2016 total 12 pages bl8503 sot - 23 - 5: package sot - 23 - 5 devices per reel 3 000 unit mm package specification taping dimension m1 standard type m2 customized
http://www.belling.com.cn - 13 - 10/24/2016 total 12 pages bl8503 taping reel dimension

▲Up To Search▲

Price & Availability of BL8503-12T1SA

	To Download BL8503-12T1SA Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .