ts1117b 800ma low dropout positive voltage regulator general description the ts1117b series are high performance positive voltage regulators are designed for use in applications requiring low dropout performance at full rated current, a dditionally, the ts1117b series provides excellent regulation over variations due to changes in line, load and temperatur e. outstanding features in clude low dropout performance at rated current, fast transient response, internal current limiting and thermal shutdown protection of the output device. the ts1117b series are three terminal regulators with fixed and adjust able voltage options available in popular packages. this series is offered in 3-pin to-252 sot-223 and 8-pin sop package. features ? low dropout performance 1.3v max. ? full current rating over line and temperature. ? fast transient response ? 2%total output regulati on over line, load and temperature ? adjust pin current 90ua (typ.) ? line regulation typical 0.015%. ? load regulation typical 0.05%. ? fixed/adjustabl e output voltage ? to-252 sot-223 and sop-8 package block diagram ordering information part no. operating temp. (junction) package ts1117bcs xx sop-8 ts1117bcp xx to-252 ts1117bcw xx -20 ~ +85 o c sot-223 note: where xx denotes voltage option, 50 = 5.0v 33 = 3.3v 25 = 2.5v 18 = 1.8v leave blank for adjustable version. absolute maximum rating input supply voltage vin 15 v operation input supply vo ltage vin (opt. typ.) 12 v power dissipation p d internally limited w operating junction temperature range t j -20 ~ +125 o c storage temperature range t stg -65 ~ +150 o c lead soldering temperature (260 o c) 5 s 1 of 6 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
electrical characteristics ta = 25 o c, unless otherwise specified. adjust able version test with vout = 2.5v. parameter conditions min typ max unit vout+1.5v vin 12v, io=10ma 0.990|vo| 1.010|vo| v output voltage vout+1.5v vin 12v, io=800ma 0.980|vo| 5.0 / 3.3 2.5 / 1.8 1.020|vo| v (vin-out) =1.5v, io=10ma 0.990|vo| 1.010|vo| v reference voltage (vin-out) =1.5v, io=800ma 0.980|vo| 1.25 1.020|vo| v input supply voltage -- -- 12 v line regulation vout+1.5v vin 12v, io=10ma -- 0.015 0.3 % % load regulation (note 1,2) vin=vout+1.5v, 10ma io 800ma -- 0.05 1.0 % dropout voltage io=800ma, ? vout=1%vout -- 1.0 1.3 v minimum load current vin=5v -- 8 10 ma adjustable pin current -- 90 -- ua current limit vin - vout=3v 1.1 -- -- a temperature stability io=10ma -- 0.5 -- % ripple rejection f = 120hz, io=1a cout=25uf, vin=vout + 3v -- 60 70 db thermal performance condition package type typ unit to-252 90 sop-8 160 thermal resistance junction to ambient sot-223 165 o c/w note 1: see thermal regulation spec ification for changes in output volt age due to heating effects. line and load regulation are measured at a constant junction temperatur e by low duty cycle pulse testing. load regulation is measured at the output lead = 1/18? from the package. note 2: line and load regulation are guaranteed up to the maximum power dissi pation of 15w. power dissipation is determined by the input / output voltage difference and the output cu rrent. guaranteed maximum power dissipation will not be available over the full input / out put voltage range. note 3: quiescent current is defined as the minimum output current required to ma intain the regulation. ts1117b 2 of 6 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
typical application circuit fixed output voltage version vout = vref * (1 + r2 / r1) * cin is requested if regulator is located far from power supply filter ** design cout as close to vout pin as possible adjustable output voltage version ts1117b 3 of 6 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
electrical characteristics curve figure 1: dropout voltage v.s. output current figure 2: load regulation v.s. temp. figure 3: output change v.s. temp. figure 4: line regulation figure 5: line transient response figure 6: load transient response ts1117b 4 of 6 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
to-252 mechanical drawing b c d a f g i h e j to-252 dimension millimeters inches dim min max min max a 6.570 6.840 0.259 0.269 b 9.250 10.400 0.364 0.409 c 0.550 0.700 0.022 0.028 d 2.560 2.670 0.101 0.105 e 2.300 2.390 0.090 0.094 f 0.490 0.570 0.019 0.022 g 1.460 1.580 0.057 0.062 h 0.520 0.570 0.020 0.022 i 5.340 5.550 0.210 0.219 j 1.460 1.640 0.057 0.065 sot-223 mechanical drawing g h e d f c a b j k i sot-223 dimension millimeters inches dim min max min max a 6.350 6.850 0.250 0.270 b 2.900 3.100 0.114 0.122 c 3.450 3.750 0.136 0.148 d 0.595 0.635 0.023 0.025 e 4.550 4.650 0.179 0.183 f 2.250 2.350 0.088 0.093 g 0.835 1.035 0.032 0.041 h 6.700 7.300 0.263 0.287 i 0.250 0.355 0.010 0.014 j 10 16 10 16 k 1.550 1.800 0.061 0.071 ts1117b 5 of 6 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
sop-8 mechanical drawing c p b d k g 1 8 a 16 9 r m f sop-8 dimension millimeters inches dim min max min max a 4.80 5.00 0.189 0.196 b 3.80 4.00 0.150 0.157 c 1.35 1.75 0.054 0.068 d 0.35 0.49 0.014 0.019 f 0.40 1.25 0.016 0.049 g 1.27 (typ) 0.05 (typ) k 0.10 0.25 0.004 0.009 m 0 o 7 o 0 o 7 o p 5.80 6.20 0.229 0.244 r 0.25 0.50 0.010 0.019 ts1117b 6 of 6 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
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