BUY LM2594M-5.0 https://www.utsource.net/itm/p/34912.html
SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator
Description: The LM2594M-5.0 is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator, capable of driving a 5A load with excellent line and load regulation.
Features:
-Wide 4.5V to 40V Input Voltage Range
-Internal 5A, 60V Power Switch
-Programmable Output Voltage
-High Efficiency: Up to 95%
-High Current Limit
-Low Quiescent Current
-Thermal Shutdown
-Current Mode Control
Applications:
-Battery Chargers
-Portable Instruments
-DC-DC Converters
-Power Supplies
-Telecommunications Equipment
(For reference only)
