BUY SMV1470-999 https://www.utsource.net/itm/p/11289564.html
SMV1470-999 Variable Capacitance Diodes (Varicaps, Varactors) SOT-23/SC-59 marking AT3 tuning
Description: The SMV1470-999 is a low voltage, low power, low noise, low dropout linear regulator. Features: Low voltage: 0.8V to 5.5V Low power: 0.5mA Low noise: 0.2mV Low dropout: 0.2V Low quiescent current: 0.5mA Output current: up to 100mA Thermal shutdown protection Over-current protection Short-circuit protection Over-temperature protection Applications: Battery-powered devices Portable electronics Automotive electronics Industrial systems Medical devices Mobile phones (For reference only)