BUY SEM5027 https://www.utsource.net/itm/p/11723202.html

Description: Low Dropout Voltage Regulator Features: Low Dropout Voltage: 0.4V (Typ.) at IOUT = 500mA Output Voltage Accuracy: ±1.5% (Typ.) Output Current: 500mA Low Quiescent Current: 4mA (Typ.) Low Temperature Coefficient: 10ppm/°C (Typ.) Built-in Thermal Shutdown Circuit Built-in Over Current Protection Circuit Built-in Over Voltage Protection Circuit Built-in Reverse Current Protection Circuit Built-in Soft Start Circuit Built-in Short Circuit Protection Circuit Operating Temperature Range: -40°C to +125°C Package: SOP16, SEM Application: The SEM5027 is a low dropout voltage regulator designed for use in portable and battery-powered applications. It is ideal for applications such as cellular phones, PDAs, digital cameras, and other portable devices. (For reference only)