BUY LM2576TADJ https://www.utsource.net/itm/p/1100213.html
LM2576/LM2576HV Series SIMPLE SWITCHER® 3A Step-Down Voltage Regulator; Package: TO-220; No of Pins: 5; Qty per Container: 45/Rail
Description: The LM2576TADJ is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator, capable of driving a 3A load with excellent line and load regulation.
Features:
Wide 4.5V to 40V Input Voltage Range
Internal Frequency Compensation
Internal Thermal Shutdown
3A Output Current
Low Profile (1.2mm) Surface Mount Package
Low Quiescent Current
High Efficiency
Fixed Frequency Operation
Applications:
Battery Chargers
DC/DC Converters
Portable Instruments
Telecommunications
Power Supplies
High Efficiency Step-Down Regulators
(For reference only)