BUY SC1157CS https://www.utsource.net/itm/p/252197.html
PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED PROCESSORS
Manufacturer: Semtech Description: SC1157CS is a low dropout (LDO) linear regulator with a fixed output voltage of 5V. Features: Output voltage of 5V Low dropout voltage of 200mV Output current of up to 500mA Low quiescent current of 5mA Thermal shutdown protection Over-current protection Short-circuit protection Reverse-battery protection High PSRR Applications: Battery-powered systems Automotive applications Industrial applications Portable electronics Home appliances (For reference only)