ver: 2.0 apr 20, 2011 tel: 886-3-5788833 http://www.gmt.com.tw 1 G913 global mixed-mode technology inc. 300ma low-dropout linear regulators features ? low, 90 a no-load supply current ? guaranteed 300ma output current ? dropout voltage is 200mv @ 150ma load ? over-temperature protection and short-circuit protection ? two modes of operation ---- fixed mode: 1.5v~4.7v (interval =100mv) 2.84v (G913a), 3.15v (G913b), 4.75v (G913e), adjustable mode: from 1.25v to 5.5v ? max. supply current in shutdown mode < 1 a ? low output noise at 220 v rms ? stable with low cost ceramic capacitors applications ? notebook computers ? cellular phones ? pdas ? digital still camera and video recorders ? hand-held devices ? bar code scanners general description the G913 is a low supply current, low dropout linear regulator that comes in a space saving sot-23-5 package. the supply current at no-load is 90 a. in the shutdown mode, the maximum supply current is less than 1 a. operating voltage range of the G913 is from 2.5v to 5.5v. the over-current protection limit is set at 550ma typical. an over-temperature protection circuit is built-in in the G913 to prevent thermal overload. these power saving features make the G913 ideal for use in the battery-powered applications such as note- book computers, cellular phones, and pda ? s. the G913 has two modes of operation. when the set pin is connected to ground, its output is a pre-set value: 1.5v~4.7v (interval =100mv), 2.84v, 3.15v, and 4.75v. there is no external component needed to de- cide the output voltage. when an output other than the preset value is needed, two external resistors should be used as a voltage divider. the output voltage is then decided by the resistor ratio. the G913 comes in a space saving sot-23-5 package. ordering information order number (pb free/green) marking voltage temp. range package G913af 3axx 2.84 -40 c~ +85 c sot-23-5 G913bf 3bxx 3.15 -40 c~ +85 c sot-23-5 G913cf 3cxx 3.30 -40 c~ +85 c sot-23-5 G913df 3dxx 3.00 -40 c~ +85 c sot-23-5 G913ef 3exx 4.75 -40 c~ +85 c sot-23-5 pin configuration typical application circuit g963 set out sot-23-5 5 4 1 shdn 2 3 gnd in in out shdn set gnd G913 battery c in 1 f r1 r2 c out 4.7 f output voltage adjustable mode in out gnd set shdn G913 c in 1 f _ battery output voltage c out 4.7 f fixed mode G913 g963 set out sot-23-5 5 4 1 shdn 2 3 gnd in in out shdn set gnd G913 battery c in 1 f r1 r2 c out 4.7 f output voltage adjustable mode in out gnd set shdn G913 c in 1 f _ battery output voltage c out 4.7 f fixed mode G913
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