ver: 0.2 jul 10, 2013 tel: 886-3-5788833 http://www.gmt.com.tw 1 G9815 global mixed-mode technology 1.5a high psrr, low noise, ldo regulators features ? low, 45 a no-load supply current ? guaranteed 1.5a output current ? low dropout voltage ? psrr=70db (f=100hz 1.2v output) ? over-temperature protection ? short-circuit protection with current fold-back ? stable with low cost ceramic capacitors ? low temperature coefficient applications ? instrumentation ? portable electronics ? wireless devices ? pc peripherals ? battery powered widgets general description the G9815 series is a low supply current, high psrr, low noise, and low dropout linear regulator making them ideal for battery applications. it is available in to-252, sot-223 packages. the supply current at no-load is 45 a. an over-temperature protection circuit is built-in in the device to prevent thermal overload. and the G9815 is equipped with a short-circuit current fold-back protection circuit to prevent from failure. the G9815 is stable with an output capacitance of 4.7 f or greater ordering information order number marking voltage temp. range package (green) G9815-12t45u 9815-12 1.2v -40 c ~ +85 c to-252 G9815-18t45u 9815-18 1.8v -40 c ~ +85 c to-252 G9815-33t45u 9815-33 3.3v -40 c ~ +85 c to-252 G9815-12t65u 9815-12 1.2v -40 c ~ +85 c sot-223 G9815-18t65u 9815-18 1.8v -40 c ~ +85 c sot-223 G9815-33t65u 9815-33 3.3v -40 c ~ +85 c sot-223 note: t4: to-252 t6: sot-223 5: bonding code u: tape & reel pin configuration typical application circuit to-252 top view 1 2 3 in gnd vo G9815 sot-223 top view 1 2 3 in gnd vo G9815 in out gnd G9815 c1 1 f c2 4.7 f v out v in to-252 top view 1 2 3 in gnd vo G9815 sot-223 top view 1 2 3 in gnd vo G9815 in out gnd G9815 c1 1 f c2 4.7 f v out v in
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