BUY LT3518EU QFN16 https://www.utsource.net/itm/p/9461532.html

Description: The LT3518EU is a high efficiency, current mode, step-down DC/DC converter with integrated high side and low side FETs. It operates from an input voltage range of 4.5V to 36V and provides a regulated output voltage of 0.8V to 28V. Features: High Efficiency: Up to 95% Wide Input Voltage Range: 4.5V to 36V Wide Output Voltage Range: 0.8V to 28V Integrated High Side and Low Side FETs Programmable Frequency: 200kHz to 2.2MHz Programmable Soft-Start Programmable Current Limit Programmable Overvoltage Protection Programmable Undervoltage Protection Programmable Overcurrent Protection Programmable Over Temperature Protection QFN16 Package Applications: Battery-Powered Systems Automotive Systems Industrial Systems Telecom Systems Portable Electronics Notebook Computers Power Supplies LED Lighting (For reference only)