BUY LM2678S-3.3 https://www.utsource.net/itm/p/11212206.html
IC REG BUCK 3.3V 5A TO263-7
Description: The LM2678S-3.3 is a 3.3V fixed output voltage, low dropout (LDO) regulator with a maximum output current of 1.5A. Features: * Low dropout voltage: 0.5V (typical) * Output voltage accuracy: ±2% * Output current: 1.5A * Overcurrent protection * Thermal shutdown * Short-circuit protection * Low quiescent current: 10μA (typical) Applications: * Battery-powered systems * Automotive electronics * Portable devices * Industrial systems * Medical equipment (For reference only)