www.cnzls.com 1 tel: 0755-82948776 300ma high psrr, fast response linear regulator LC1463 description LC1463 series is a group of positive voltage output, low power consumption, low dropout voltage regulator. LC1463 can provide output value in the range of 1.0v~4.5v every 0.1v step. it also can be customized on command. LC1463 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module with discharge capability. LC1463 has 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%. LC1463 is available in sot-23-5, sc-70-5 and sot23-3 packages which is lead free. features low power consumption: 25ua typ. low output noise (47uvrms) standby mode: 0.1ua low dropout voltage: 0.16v@300ma (typ.) high ripple rejection: 73db@100hz (typ.) low temperature coefficient: 100ppm/ c excellent line regulation: 0.05%/v build-in chip enable and discharge circuit output voltage range: 1.0v~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 v dd v out gnd cin inpnt cont ce ontpnt on/off note: input capacitor (cin=1uf) and output capacitor (cout=3.3uf/4.7uf) are recommended in all application circuit. electrical characteristics load regulation (vin=4.5v) 3 3.05 3.1 3.15 3.2 3.25 3.3 3.35 0 50 100 150 200 250 300 350 iout(ma) vout(v) free datasheet http://www.0pdf.com
www.cnzls.com 2 tel: 0755-82948776 LC1463 ordering information LC1463 1 2 3 4 code description 1 temperature&rohs: c:-40~85 c ,pb free rohs std. 2 package type: a5:sc-70-5 b5a:sot-23-5(a) b5b:sot-23-5(b) b3: sot23-3 3 packing type: tr:tape&reel (standard) 4 output voltage: e.g. 15=1.5v 18=1.8v 45=4.5v marking descripton f : product code x: output voltage vout code vout code vout code 1.0v 0 2.3v 3 3.6v 6 1.1v 1 2.4v 4 3.7v 7 1.2v 2 2.5v 5 3.8v 8 1.3v 3 2.6v 6 3.9v 9 1.4v 4 2.7v 7 4.0v 0 1.5v 5 2.8v 8 4.1v 1 1.6v 6 2.9v 9 4.2v 2 1.7v 7 3.0v 0 4.3v 3 1.8v 8 3.1v 1 4.4v 4 1.9v 9 3.2v 2 4.5v 5 2.0v 0 3.3v 3 2.1v 1 3.4v 4 2.2v 2 3.5v 5 z: the year of manufacturing,7 stands for year 2007,8 stands for year 2008,and 0 stands for year 2010. z: the week of manufacturing. a stands for week 1,z stands for week 26, a stands for week 27, z stands for week 52. pin configuration product classification LC1463ca5tr f : product code x: output voltage zz: date code product classification LC1463cb5atr f : product code x: output voltage zz: date code product classification LC1463cb5btr f : product code x: output voltage zz: date code i: b type product classification LC1463cb3tr f: product code x: output voltage zz: date code vss ground pin vin supply voltage input vout output voltage ce chip enable nc no connection optional marking information: from one source of assembly house, there are dots in addition to formal marking information. one is the pin1 indicator and the other is for internal identification of the assembly house. the dots are illustrated as below: internal id of assembly house pin 1 free datasheet http://www.0pdf.com
www.cnzls.com 3 tel: 0755-82948776 LC1463 absolute maximum rating parameter value max input voltage 8v operating junction temperature(tj) 125 c output current 300ma ambient temperature(ta) -40 c C85 c sc70-5 250mw sot-23-5 250mw power dissipation sot-23-3 250mw 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. recommended work conditions item min recommended max. unit input voltage range 2 6 v ambient temperature -40 85 c electrical characteristics (test conditions: cin=1uf,cout=3.3uf,ta=25 c, unless otherwise specified. ) LC1463, for arbitrary output voltage symbol parameter conditions min typ max units vin input voltage 2 6 v v out >1.5v vout x0.98 vout x1.02 vout output voltage v out <=1.5v vin=set vout+1v 1ma iout 30ma vout -0.03 vout vout +0.03 v iout (max.) maximun output current vin-vout=1v 300 ma iout=100ma 50 80 mv vdrop 1 dropout voltage,vout 2.8v iout=300ma 160 220 mv vout vin vout d d line regulation iout=40ma 2.8v vin 6v 0.05 0.2 %/v vout d / iout d load regulation vin=set vout+1v 1ma iout 300ma 60 100 mv iss supply current vin=set vout+1v 25 50 ua istandby supply current (srandby) vin=set vout+1v vce=gnd 0.1 1.0 ua vout t vout d d output voltage temperature coefficiency iout=30ma 100 ppm/ c free datasheet http://www.0pdf.com
www.cnzls.com 4 tel: 0755-82948776 LC1463 psrr ripple rejection f=100hz, ripple=0.5vp-p vin=set vout+1v 70 db ilim short current limit vout=0v 500 ma rpd ce pull down resistance 2.0 5.0 10.0 m w vceh ce input voltage h 1.5 vin v vcel ce input voltage l 0 0.25 v en output noise bw=10hz~100khz 47 uvrms note: vdrop=vin1-(vout2*0.98) vout2 is the output voltage whe n vin=vout1+1.0v and iout=300ma. vin1 is the input voltage at which the output volta ge becomes 98% of vout1 after gradually decreasing the input voltage. block diagram explanation LC1463 series is a group of positive voltage output , low noise, low power consumption, low dropout voltage regulator. LC1463 can provide output value in the range of 1.0 v~4.5v every 0.1v step. it also can be customized on command. LC1463 includes high accuracy voltage reference, er ror amplifier, current limit circuit and output driver module. LC1463 has excellent load and line transient respon se and good temperature characteristics, which can assure the stability of chip and power sy stem. and it uses trimming technique to guarantee output voltage accuracy within 2%. free datasheet http://www.0pdf.com
www.cnzls.com 5 tel: 0755-82948776 LC1463 typical performance characteristics 1) output voltage vs. output current (with output short protection) 2) output voltage vs. input voltage current limit vs. vout 0 0.5 1 1.5 2 2.5 3 3.5 0 500 1000 1500 iload(ma) vout(v) line regulation 3.3105 3.311 3.3115 3.312 3.3125 3.313 3 3.5 4 4.5 5 5.5 6 vin(v) vout(v) iout=14(ma) 3) dropout voltage vs. output current 4) ripple rej ection vs. frequency dropout & iout 0 20 40 60 80 100 120 140 160 180 0 50 100 150 200 250 300 350 iout(ma) dropout(mv) vout=3.3v psrr 0 10 20 30 40 50 60 70 80 0.01 0.1 1 10 100 1000 freq(khz) psrr(db) vout=3.3v free datasheet http://www.0pdf.com
www.cnzls.com 6 tel: 0755-82948776 LC1463 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 7) start up from en 8) shut down from en 4v 5v vin vout vin vout 4v 5v 1ma output current output voltage 1ma 50ma output output en en 50ma output current output voltage free datasheet http://www.0pdf.com
www.cnzls.com 7 tel: 0755-82948776 LC1463 package outline package sc70-5 devices per reel 3000pcs unit mm package dimension package sot-23-5 devices per reel 3000pcs unit mm package dimension: free datasheet http://www.0pdf.com
www.cnzls.com 8 tel: 0755-82948776 LC1463 package sot-23-3 devices per reel 3000pcs unit mm package dimension: free datasheet http://www.0pdf.com
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