www. b elling .com.cn 1 2a linear regulator bl 8 0 6 6 general description BL8066 series are a group of positive voltage output , high precise, and low power consumption voltage regulator . voltages are selectable in 100mv steps within a range of 1. 0 v to 3.6 v . it also can be customized on command. BL8066 serie s have excellent load and line transient response and good temperature characteristics, which can assure the stability of chip and power system. and it uses trimming technique to guarantee output voltage accuracy within 2%. BL8066 series are available in sot - 2 3 - 5 package, which is lead ( pb) - free. features ? low quiescent current: 26 ua at 5v ? high psrr: 60db range to 1 0 khz ? low o utput n oise : 44 uv rms ? low d ropout: 43 0mv at 1 . 5a load ? maximum output current : 2.5 a ? highly accurate: 2% ? low esr c eramic c apacitor c o mpatible applications ? reference voltage source ? battery powered equipment ? pc peripherals ? wireless devices ? instrumentation typical application note : input capacitor (cin= 4.7 uf) and output capacitor (cout= 10 uf) are recomme nded in all appli cation circuit (low esr ceramic capacitor is available). block diagram dropout voltage vs output current bl8 0 66 v d d v o u t g n d i n o u t c o u t c i n l c 1 4 8 1
www. b elling .com.cn 2 BL8066 marking description y: the year of m anufacturing, 9 stands for year 2009 , 0 stands for year 20 10 ; w : the week of manufacturing. a stands for week 1, z stands for week 26, stands for week 27, stands for week 52. ordering information BL8066 1 2 3 4 code description 1 temperature & rohs: c: - 40~85 ? c, pb free rohs std. 2 package type: b5 : sot - 2 3 - 5 3 packing type: tr: tape&reel (standard) 4 output voltage: e.g. 25=2.5v; 33=3.3v pin configuration i tems description v dd i nput terminal and supply pin for internal circuit. gnd ground ce chip enable nc no connection v out o utput terminal product classification BL8066 c b5 tr jb : product code x : output voltage yw: date code a z
www. b elling .com.cn 3 BL8066 absolute maximum rating parameter value max input voltage 8v operating junction temperature (t j ) 125 ? c ambient temperature (t a ) - 40 ? c ~85 ? c power dissipation sot - 2 3 - 5 : 2 50mw storage temperature (t s ) - 40 ? c ~150 ? c lead temperature & time 260 ? c , 10 sec exceed these limits to damage to the device. exposure to absolute maximum rating conditions may affect device reliability. recommended work conditions parameter value input voltage range max. 6v ambient temperature - 40 ? c ~ 85 ? c electrical characteristics test conditions: c in = 4.7 uf,c out = 10 uf,t a = 25 ? c, unless otherwise specified. symbol parameter conditions min typ max units v dd input voltage 6 v v out output voltage v out >1.5 v dd =set v out +1v 1ma i out 10ma v out x0.98 v out v out x1.02 v v out <=1.5 v out - 0.03 v out +0.03 i out (max.) note 6 maximum output current v dd - v out =1v 2.5 a v drop dropout voltage v out =3.3v, i out =1.5a 430 650 mv line regulation i out =10ma 4v v dd 6v 0.05 0.2 %/v load regulation v dd =set v out +1v 1ma i out 2.5a 15 mv is supply current v dd =set v out +1v v out floating 26 50 ua output voltage temperature coefficient i out =10ma 100 ppm/ ? c psrr ri pple rejection f=100hz, ripple=0.5vp - p, v dd =set v out +1v 60 db en output noise bw=10hz~100khz 44 uvrms note 6: the maximum power rating of each package is a constant, so along with the change of i load , the v dd - v out should be controlled to a certain r ange to ensure the normal operation. vout vin vout ? ? ? vout ? vout t vout ? ? ?
www. b elling .com.cn 4 BL8066 typical performance characteristics supply current vs. input voltage ripple rejection vs. frequency output voltage vs. input voltage dropout voltage vs. output current
www. b elling .com.cn 5 BL8066 test waveforms l ine t ransient r esponse c in =1uf, cout=4.7uf, v in =4 ? 5v, v out =3 .3 v l oad t ransient r esponse c in =1uf, cout=4.7uf, i out =10 ? 1 a, v out =3 .3 v ch1: input voltage ch2: output voltage i out =1 a i out =10ma v in =4v v in =5v ch1: output current ch2: output voltage
www. b elling .com.cn 6 BL8066 package line package sot - 23 - 5 devices per reel 3 000 pcs unit mm package dimension :
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