onsemi Voltage Regulators - Linear NCP161AMX180TBG

The NCP161AMX180TBG is a linear voltage regulator designed to supply a maximum output current of 450 mA. It operates within an input voltage range of 1.9 V to 5.5 V and is available in a fixed output voltage of 1.8 V. The device features ultra-low quiescent current of approximately 18 µA and a standby current of 0.1 µA, making it suitable for battery-powered applications. It exhibits a low dropout voltage of 150 mV at full load and provides high power supply rejection ratio (PSRR) of 98 dB at 20 mA, ensuring stable performance in RF and analog circuits. The NCP161AMX180TBG is stable with small case size ceramic capacitors of 1 µF for both input and output, which contributes to its compact design. It is available in a 4-pin XDFN package measuring 1 mm x 1 mm, and is compliant with RoHS standards. Typical applications include wireless LAN devices, smartphones, tablets, and various consumer electronics. The device also incorporates features such as thermal shutdown and active discharge, enhancing its reliability in various operating conditions.