BUY S7C4F30L https://www.utsource.net/itm/p/424847.html
Digital Subscriber Controller (DSC) Circuit
Description: STMicroelectronics S7C4F30L is a low-dropout (LDO) voltage regulator with an output voltage of 3.3V and a maximum output current of 300mA. Features: Output voltage: 3.3V Maximum output current: 300mA Low dropout voltage: 0.2V Low quiescent current: 30μA High ripple rejection: 70dB Over-temperature protection Over-current protection Short-circuit protection ESD protection RoHS compliant Applications: Automotive Industrial Consumer electronics Portable devices Battery-powered applications (For reference only)