www. belling .com.cn 1 300ma high psrr, fast response linear regulator b l8067 description bl8067 series is a group of positive voltage output, low power consumption, low dropout voltage regulator. bl8067 can provide output value in the range of 1.0 v~4.5v every 0.1v step. it also can be customized on command. bl8067 includes high accuracy voltag e reference, error amplifier, current limit circuit and output driver module with discharge capability. bl8067 has excellent load and line transient response and good temperature characteristics, which can assure the stability of chip and power system. an d it uses trimming technique to guarantee output voltage accuracy within 2%. bl8067 is available in tsot - 23 sot23 - 5 and dfn1x1 - 4 packages which are lead free. features ? low power consumption: 50 ua ( typ. ) ? low output noise (47uvrms) ? standby mode: 0.1ua ? low dropout voltage: 21 0m v@ iout=3 00ma ,vout= 3 v ? high ripple rejection: 68 db@1 k hz (typ.) ? low temperature coefficient: 100ppm/ ? c ? excellent line regulation: 0.05%/v ? build - in chip enable and discharge circuit ? output voltage range : 1.0 v~4.5v (customized on command every 0.1v step) ? highly accurate: 2% ? output current limit applications ? power source for cellular phones and various kind of pcss ? battery powered equipment ? power management of mp3, pda, dsc, mouse, ps2 games ? reference voltage source ? regulation after switching power typical application note: input capacitor (cin=1uf) and output capacitor (cout= 1uf ) are recommended in all applicatio n circuit. electrical characteristics 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 0.1 0.2 0.3 vout (v) iout (a) load regulation (vout=1.1v) vin=5.0v vin=2.1v vin=1.8v vin=1.5v bl8067 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 4 7 9 c e o u t p u t o n / o f f
www. belling .com.cn 2 b l8067 ordering information bl8067 1 2 3 4 code description 1 temperature&rohs: c: - 40~85 ? c ,pb free rohs std. a: short circuit current >100ma 2 package type: b3a: tsot - 23 b5: sot - 23 - 5 b5 b : sot - 23 - 5 (b) ke: dfn1x1 - 4 3 packing type: tr:tape&reel (standard) 4 output voltage: e.g. 15=1.5v 18=1.8v 45=4.5v marking descripton u : product code x: output voltage vout code vout code vout code 1.0v 0 2.3v 3.6v 1.1v 1 2.4v 3.7v 1.2v 2 2.5v 3.8v 1.3v 3 2.6v 3.9v 1.4v 4 2.7v 4.0v 1.5v 5 2.8v 4.1v 1.6v 6 2.9v 4.2v 1.7v 7 3.0v 4.3v 1.8v 8 3.1v 4.4v 1.9v 9 3.2v 4.5v 2.0v 3.3v 2.1v 3.4v 2.2v 3.5v y : the year of manufacturing, 1 stands for year 20 11 , 2 stands for year 20 12 ,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. pin configuration product classification bl8067 c b 3a tr u : product code x: output voltage yw : date code product classification bl8067 c b5tr u : product code x: output voltage yw : date code product classification bl8067 c b5 b tr u : product code x: output voltage yw : date code product classification bl8067 cke tr xx: output voltage gnd ground pin vin supply voltage input vout output voltage ce chip enable nc no connection 3 6 4 7 5 8 6 9 7 0 8 1 9 2 0 3 1 4 2 5 0 3 1 4 2 5 a z
www. belling .com.cn 3 b l8067 absolute maximum rating parameter value max input voltage 8v operating junction temperature(tj) 150 ? c output current 300ma ambient temperature(ta) - 40 ? c C 85 ? c package thermal resistance ( ? j a ) sot - 23 - 5 220 ? c / w sot - 23 - 5 (b) 220 ? c / w power dissipation tsot - 23 250mw sot - 23 - 5 250mw sot - 23 - 5 (b) 250mw dfn1x1 - 4 600mw storage temperature(ts) - 40 ? c - 150 ? c lead temperature & time 260 ? c ,10s note: 1) heat sink area of pcb for dfn1x1 - 4 is recommended at least 2.5mmx4mm. 2) package thermal resistance value can be affected by pcb design, outside radiator, ambient airflow, operating power, it just show s for reference. 3) exceed these limits to damage to the device. 4) exposure to absolute maximum rating conditions may affect device reliability. recommended work conditions item min recommended max. unit input voltage range 1.5 6 v ambient temperature - 40 85 ? c electrical characteristics ( test conditions: cin=1uf,cout= 1 uf,ta=25 ? c, unless otherwise specified. ) bl8067 , for arbitrary output voltage symbol parameter conditions min typ max units vin input voltage 1.5* 6 v vout output voltage v out >1.5v vin=set vout+1v 1maiout30ma out <=1.5v vout - 0.03 vout +0.03 iout (max.) maximun output current vin - vout=1v 3 00 ma vdrop ** dropout voltage,vout = 3 v iout= 2 00ma 135 250 mv iout=300ma 210 350 mv line regulation iout= 1 0ma 1 .8vvin6v 1maiout300ma vout vin vout ? ? ? vout ? iout ?
www. belling .com.cn 4 b l8067 output voltage temperature coefficiency iout=30ma 100 ppm/ ? c psrr ripple rejection f=1 k hz, ripple=0.5vp - p vin=set vout+1v 68 db ilim current limit vin=5v, vout=3v 1 a rdischarge discharge resistor ce=0, vout=3.0v 150 ohm vceh ce input voltage h 0.95 vin v vcel ce input voltage l 0 0.25 v en output noise bw=10hz~100khz 47 uvrms n ote : * iout= 10 0ma @ vout= 1.0v - 1.2v ** vdrop =vin1 - (vout2*0.98) vout2 is the output voltage when vin=vout1+1.0v and iout=300ma. vin1 is the input voltage at which the output voltage becomes 98% of vout1 after gradually decreasing the input voltage. block diagram e xplanation bl8067 series is a group of positive voltage output, low noise, low power consumption, low dropout voltage regulator. bl8067 can provide output value in the range of 1. 0 v~4.5v every 0.1v step. it also can be customized on command. bl8067 includes high accurac y voltage reference, error amplifier, current limit circuit and output driver module. bl8067 has excellent load and line transient response and good temperature characteristics, which can assure the stability of chip and power system. and it uses trimmin g technique to guarantee output voltage accuracy within2%. vout t vout ? ? ?
www. belling .com.cn 5 b l8067 typical performance characteristics 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 0.1 0.2 0.3 vout (v) iout (a) load regulation (vout=1.1v) vin=5.0v vin=2.1v vin=1.8v vin=1.5v 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 0.1 0.2 0.3 vout (v) iout (a) load regulation (vout=1.2v) vin=5.0v vin=2.2v vin=1.8v vin=1.5v 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 0.1 0.2 0.3 vout (v) iout (a) load regulation (vout=1.5v) vin=5.0v vin=2.5v vin=2.0v vin=1.8v 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 1 2 3 4 5 6 vout (v) vin (v) line regulation vout=1.0v vout=1.1v vout=1.2v vout=1.5v vout=3.0v 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 0.1 0.2 0.3 vout (v) iout (a) load regulation (vout= 3 v) vin=6.0v vin=5.0v vin=4.2v vin=4.0v 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 1 2 3 4 5 6 vout (v) vin (v) line regulation (vout=1.1v) t= - 40 t=25 t=85
www. belling .com.cn 6 b l8067 ce chip enable response ( orange : vin; blue: ce; green : vout) line transient response vout= 1.1 v, iout= 1 0ma ( o range : vin; green : vout) l oad transient response vin= 2 v, vout= 1 v, iout=1 0 - 3 00ma ( pink : iout ; green : vout) 0 10 20 30 40 50 60 70 80 90 100 110 120 0 1 2 3 4 5 6 iq (ua) vin (v) iq (vout=1v) t= - 40 t=25 t=85 0 50 100 150 200 250 0 100 200 300 dropout (mv) iout (ma) dropout voltage (vout=3v) t= - 40 t=25 t=85 0.0 0.2 0.4 0.6 0.8 1.0 1.2 - 40 0 40 80 120 160 vout (v) temperature ( ? c ) vout vs. temperature
www. belling .com.cn 7 b l8067 package out line package t sot - 23 devices per reel 3000pcs unit mm package dimension package sot - 23 - 5 devices per reel 3 000 pcs unit mm package dimension :
www. belling .com.cn 8 b l8067 package dfn1x1 - 4 devices per reel 5000pcs unit mm package dimension notes : all dimensions are in millimeters exclude mold flash or protrusions.
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