www. b elling .com . cn 1 16v 50 0ma low consumption linear regulator b l807 5 description BL8075 series is a group of positive voltage output, low power consumption, low dropout voltage regulator. it can provide 3 0 0ma output current when input / output voltage differential drops to 600m v ( vout= 3.3 v ) , a nd it also provide s foldback short - circuit protection , thermal protection and output current limit function . the very l ow power consumption of BL8075 ( iq= 10 ua ) can greatly improve natural life of batteries. BL8075 can provide output value in the range of 1. 2 v~5. 0 v in 0.1v steps. it also can customi z e on command. BL8075 includes high accuracy voltage reference, error amplifier, current limit c ircuit and output driver module . BL8075 has well load transient response and good temperature characteristic, and it uses trimming technique to guarantee output voltage accuracy within 2%. features ? low power c onsumption: 10 ua ( typ. ) ? maximum output current: 50 0ma ? small dropout voltage 600 m v@ 3 0 0ma (vout= 3.3 v) 1.2 v@ 5 00ma (vout= 3.3 v) ? input voltage range: 3 v~ 1 6 v ? output voltage range: 1. 2 v~ 5 . 0 v (customized on command in 0.1v steps) ? highly accurate:2%(1% customized ) ? output current limit : 65 0ma applications ? battery powered equipment ? power management of mp3 pda dsc mouse ps2 games ? reference voltage source regulation after switching powe r typical application note : input capacitor (cin=1uf) and output capacitor (cout=1uf) are recommended in all application circuit. ceramic capacitor is recommended. electrical characteristics 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 100 200 300 400 500 vout(v) iout(ma) load regulation bl8 075 v i n v o u t g n d c i n i n p u t c o u t l c 1 2 1 5 e n o u t p u t o n / o f f
www. b elling .com . cn 2 b l807 5 ordering information BL8075 1 2 3 4 5 code description 1 temperature&rohs: c: - 40~85 ? c ,pb free rohs std. 2 package type: b 5 :sot - 23 - 5 c3:sot - 89 - 3 3 packing type: tr:tape&reel (standard) 4 output voltage: e.g. 1 2 = 1. 2 v 15=1.5v 5 0 =5. 0 v 5 voltage accuracy: 1= 1% blank(default)= 2% absolute maximum rating parameter value max input voltage 20v operating junction temperature(tj) 125 ? c ambient temperature(ta) - 40 ? c - 85 ? c power dissipation (p d @ta=25 ? c ) sot - 23 - 5 400mw sot - 89 - 3 5 00mw storage temperature(ts) - 40 ? c - 150 ? c lead temperature & time 260 ? c,10s note: exceed these limits to damage to the device. exposure to absolute maximum rating conditions may affect device reliability. pin configuration product classification BL8075 cb 5 tr marking sot - 23 - 5 p x yw p :product code x :output voltage yw : date code product classification BL8075 cc3tr marking sot - 89 - 3 p xx ll x yw p :product code xx:output voltage ll:lot no. x :fab code yw:date code y: the year of manufacturing, 1 stands for year 20 11 , 2 stands for year 201 2 , and 8 stands for year 201 8 . w: the week of manufacturing. a stands for week 1, z stands for week 26, stands for week 27, stands for week 52. recommended work conditions item min recom - mended max. unit input voltage range 3 16 v ambient temperature - 40 85 ? c 1 2 3 5 4 v o u t v i n e n n c g n d p x y w 1 2 3 p x x l l x y w 1 g n d 2 v i n 3 v o u t a z
www. b elling .com . cn 3 b l807 5 electrical characteristics (test c onditions: cin=1uf, cout=1uf, t a =25 ? c, unless otherwise specified) symbol parameter conditions min type max units vin input voltage 3 16 v vout output voltage vout > 1 .5 v vin - vout=1 .2 v 1maiout30ma vout x0.98 vout vout x1.02 v vout 1 .5 v vout - 0.03 vout +0.03 iout(max.) maximum output current vin - vout=1 .2 v 500 ma dropout voltage input - output voltage differential iout=300ma, vout = 3.3v 600 mv line regulation iout=10ma, 4v vin 16v 0.2 0.3 %/v load regulation vin=set vout+1v 1ma iout 100ma 20 40 mv iq quiescent current vin=set vout+1v, v en = h 10 20 ua vin=12v, v en =0v 1 ua output voltage temperature coefficient iout=10ma 100 ppm/ ? c v en h en input voltage h 1. 5 vin v ve n l en input voltage l 0 0. 4 v thermal shutdown 150 c block diagram e xplanation BL8075 is a series of low dropout voltage and low power consumption regulator. its application circuit is very simple, which only needs two outside capacitors. it is composed of these modules: high accuracy voltage reference, current limit circuit, error amplifi er, output driver and power transistor. current limit module can keep chip and power system away from danger w hen load current is more than 500 ma. BL8075 uses trimming technique to assure the accuracy of output value within2%, at the same time, tempera ture compensation is elaborately considered in this chip, which makes BL8075 s temperature coefficient within 10 0 ppm/ vout vin vout ? ? ? vout ? vout t vout ? ? ? c u r r e n t l i m i t v o l t a g e r e f e r e n c e f a s t r e s p o n s e o t p + - v i n v o u t e n g n d
www. b elling .com . cn 4 b l807 5 typical performance characteristics 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 100 200 300 400 500 vout(v) iout(ma) load regulation 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 4 8 12 16 vout(v ) vin(v) line regulation 0 200 400 600 800 1000 1200 1400 0 100 200 300 400 500 dropout(mv) iout(ma) dropout vout=3.3v 0 20 40 60 80 100 120 0 4 8 12 16 iq(ua) vin(v) iq vout=3.3v 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 100 200 300 400 500 600 700 vout(v) iout(ma) current limit
www. b elling .com . cn 5 b l807 5 line transient response load transient response vin= 5 v~ 6 v, iout=10ma vin=5v, iout=5ma~150ma c h1 v in , c h 2 v out ch2 vout, ch4 iout package line package sot - 23 - 5 devices per reel 3000pcs unit mm package dimension
www. b elling .com . cn 6 b l807 5 package sot - 89 - 3 devices per reel 1 000 pcs unit mm package dimension :
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