unisonic technologies co., ltd m293010 preliminary linear integrated circuit www.unisonic.com.tw 1 of 4 copyright ? 2013 unisonic technologies co., ltd qw-r102-053.a 1a, lo w -dropout, 1.0~16v regulator ? description the utc m293010 is 1a low dropout liner voltage regulators that provide low voltage and high-current output. designed especially for the high-current requirements in industrial and consumer applications; embedded core, memory, or logic supplies; tvs, vcrs, and office equipment. the utc m293010 is an efficient voltage regulator with very low dropout voltage and very low ground current. this device delivers a regulated output at up to 1a. included overcurrent and thermal protection improve overall system reliability. devices with fixed output voltages are also available. a inside bandgap reference provides accuracy and excellent temperature characteristics for regulator. iq does not increase significantly as the dropout volt age is approached, an ideal feature in standby/resume power systems wh ere data integrity is crucial. a inside power pnp provides a dropout voltage of less than 600mv at 1a of current. an ls-ttl/c mos-compatible input gives the designer complete control over po wer up, standby, or power down. low output voltages eliminate the need for expensive pwm buck converters. the low dropout voltage permits more efficient regulation before output regulation is lost. the utc m293010 provided a 5-lead to-252 style surface-mount plastic package with ground tab to provide a low-resistance path for maximum heat dissipation. ? features * 1a output current * dropout voltage 0.6v at i out =1a * 1a maximum standby current * fast response * accurate current limiting * remote voltage sensing * thermal protection * over voltage protection * ground tab for superior heat dissipation ? ordering information ordering number package packing lead free halogen free m293010l-xx-tn5-t m293010g-xx-tn5-t to-252-5 tape reel m293010l-xx-tn5-r m293010g-xx-tn5-r to-252-5 tape reel note: xx: output voltage, refer to marki ng information. m293010l-xx-tn5-t (1)packing type (2)package type (3)output voltage code (1) t: tube, r: tape reel (2) tn5: to-252-5 (3) xx: refer to marking information (4) l: lead free, g: halogen free (4)lead free
m293010 preliminary linear integrated circuit unisonic technologies co., ltd 2 of 4 www.unisonic.com.tw qw-r102-053.a ? marking information package voltage code marking to-252-5 ad: adj ? pin configuration 1 2 3 4 5 v out gnd v in v e adj ? pin description pin no. pin name description 1 v e enable 2 v in input 3 gnd ground 4 v out output 5 adj adjustable ? block diagram
m293010 preliminary linear integrated circuit unisonic technologies co., ltd 3 of 4 www.unisonic.com.tw qw-r102-053.a ? absolute maximum rating parameter symbol ratings unit input voltage v in 35 v output current (note 2) i out 1 a enable input voltage v e 35 v junction temperature t j +125 c storage temperature t stg -30~+125 c notes: 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. 2. output current rating is limited by input voltage, duty cycle, and ambient temperature. under any set of conditions, do not exceed a junction temperature of +125c. ? recommended operating conditions parameter symbol ratings unit input voltage v in 2.4~27 v output current i out 0~1 a adjustable voltage range 1.2~16 v operating ambient temperature t a -30~+100 c operating junction temperature t j -20~+100 c ? electrical characteristics (t a =+25c, v in =7v, v out =5v adjusted, v e =2v, unless otherwise noted) parameter symbol test conditions min typ max unit output voltage v out v in =v o ( nom ) +1v, i out =10ma v out ( nom ) v v out ( off ) v e =0v 0.5 v temperature coefficient of output voltage a vout 0c t j 100c 0.5 mv/c reference voltage v ref i out =10ma 0.98 1.00 1.02 v short circuit current i om note 1 1.1 a overvoltage protection v im i out =10ma 33 v line regulation ? v out ( ? vi ) v in =6.0v~15v, i out =10ma 30 mv load regulation ? v out ( ? io ) i out =0a~1.0a 75 mv dropout voltage v inmin -v out i out =0.5a 0.3 v i out =1.0a 0.6 v ground current i gnd i out =0ma, v e =2.0v 1.2 ma v e =0v 0.1 ma control input voltage v eh output on 2.0 v v el output off 0.8 v control input current i eh v e =2.0v 40 a i el v e =0v 0 -5.0 a ripple rejection ratio psrr 100hz f 120hz, i out =100ma 75 db over temperature t j i out =10ma 150 c note: 1. output short-circuit current is at poi nt where output voltage has decreased 5% below v out ( nom ) .
m293010 preliminary linear integrated circuit unisonic technologies co., ltd 4 of 4 www.unisonic.com.tw qw-r102-053.a ? typical application circuit load utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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