LT3008 is a high voltage, micro-power, low dropout regulator capable of delivering 20mA output current. The LT3008’s ultra-low 3µA quiescent current makes it attractive to a wide range of always-on, keep alive, or remote monitoring applications such as toll booth readers, meter readers, battery backup memory circuits, wireless sensors, and hotel door locks. The 45V input LT3008 may be thought of as a higher voltage, lower noise version of the LT3009 and comes not only in the same 2x2 DFN-6 package, but alternatively in an 8-lead SOT-23 package.