features maximum output current: 15 0ma highly accurate: output voltage +/- 2% low power consumption. on-chip protections: thermal, short circuit . small input/output differential: 0. 16 5v at 150ma applications battery-operated systems portable computers portable cameras and video recorders reference voltage sources instrumentation pagers product description the tc1185 series is a low-dropout linear regulators. there are devices designed specifically for battery-operated systems. ground current is very small (2ua - typ), that significantly extending battery life. low power consumption and high accuracy is achieved through cmos and programmable fuse technologies. output voltage: 2.0v to 6.0v . the ?1075 consists of a high- precision voltage reference, an error correction circuit, and a current limited output driver. with good transient responses, output remains stable even during load changes. the shdn input enables the output to be turned off , resulting in reduced power consumption. also, the tc1185 having high ripple rejection ratios, the series can be used with power supply noise. a 470pf capacitor from the bypass input to ground reduces noise present on the internal reference, which in turn significantly reduces output noise. if output noise is not a concern, this input may be left unconnected. larger capacitor values cbp be used, but results in a longer time period to rated output voltage when power is initially applied. the tc1185 incorporates both over-temperature and over-current protection. sot23-5 (300mw) and sot-89 -5 (500mw) packages are available. absolute maximum ratings parameter symbol ratings units input voltage vin 6.5 v output current iout 150 ma output voltage vout vss-0.3~vin+0.3 v continuous total power dissipation sot-23-5 sot-89-5 pd 300 500 mw operating ambient temperature topr -30 ~ +80 `c storage temperature tstg -40 ~ +125 `c pin configuration FTC1185 low dropout cmos voltage regulators
electrical characteristics (at t a = 25 o c, v in = vout+0.5v; unless otherwise noted) parameter conditions min typ max units output voltage accuracy io =1ma io=0 to 150ma -1.4 -3% +1.4% +2% v line regulation d vout/ d vinvout io=1ma, (vout+0.1v)FTC1185 low dropout cmos voltage regulators
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