ver: 1.1 oct 18, 2010 tel: 886-3-5788833 http://www.gmt.com.tw 1 AT1203 global mixed-mode technology inc. low noise, 300ma cmos ldo regulator features ? sot-23-5,sot-23-3 and sot89 packages. ? low dropout voltage 350mv. ? low output noise. ? low quiescent current 90 a. ? guaranteed 300ma output current. ? fixed output voltage 1.5v, 1.8v, 1.9v, 2.5v, 2.8v, 3.0v, 3.1v, 3.3v, 4.2v and 5.0v. ? built-in current limit. ? built-in thermal shutdown. ? built-in ldo on/off control. applications ? cellular phones ? wireless devices ? portable electronics ? battery powered systems general description the AT1203 is an ultra-low noise, low dropout voltage, low quiescent current cmos ldo, capable of deliver- ing up to 300ma. this ldo provides factory preset 1.5v, 1.8v, 1.9v, 2.5v, 2.8v, 3.0v, 3.1v, 3.3v, 4.2v and 5.0v fixed out- put voltage. that is ideally suited for input powered 2.5v~5.5v from li-ion, nicd, nimh, alkaline battery or usb-base power system. designed with an internal p-channel mosfet pass elements maintain ultra-low supply current throughout the whole entire operating range. the AT1203 is protected with current limit, on/off control and thermal shutdown. pin configuration typical application circuit
ver: 1.1 oct 18, 2010 tel: 886-3-5788833 http://www.gmt.com.tw 2 AT1203 global mixed-mode technology inc. ordering information part number package (green) marking remark AT1203-18e_gre sc-70-5 AT1203-25e_gre sc-70-5 AT1203-28e_gre sc-70-5 AT1203-30e_gre sc-70-5 AT1203-31e_gre sc-70-5 l3 AT1203-15u_gre sot-23-3 AT1203-18u_gre sot-23-3 AT1203-25u_gre sot-23-3 AT1203-28u_gre sot-23-3 AT1203-30u_gre sot-23-3 AT1203-31u_gre sot-23-3 203 AT1203-18x_gre sot-23-5 AT1203-25x_gre sot-23-5 obsolete AT1203-27x_gre sot-23-5 AT1203-28x_gre sot-23-5 AT1203-30x_gre sot-23-5 AT1203-31x_gre sot-23-5 AT1203-33x_gre sot-23-5 AT1203-42x_gre sot-23-5 203 AT1203-18c_gre sot-89 AT1203-33c_gre sot-89 203 , : date code , output voltage * for marking more information, contact our sales representative directly
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