DC-DC Buck Converter 5V 1A

From the shop's description

DC-DC Buck Converter 5V-1A This compact MC34063-based DC-DC Step-Down (Buck) Converter Module is designed to efficiently convert higher DC input voltages into a stable, regulated 5V DC output capable of delivering up to 1A of continuous current. Featuring a minimalist 3-pin interface ( IN , GND , OUT ), it is engineered to serve as a high-efficiency switching alternative to classic linear voltage regulators like the LM7805. Features High-Efficiency Switching Drop-in Form Factor Premium Thermal Components Space-Saving Design Specifications Parameter Specification Core Controller IC MC34063 Output Voltage Fixed 5V DC Max Continuous Output Current 1.0 A Maximum Switching Frequency Up to 100 kHz Onboard Capacitor Rating -40°C to +105°C Pin Header Pitch Standard 2.54mm (0.1″) Board Dimensions 15.5 x 19.5mm Applications Microcontroller & Logic Supplies Efficiency Upgrades Battery-Powered Projects Industrial & Automotive Electronics Package Content 1 x DC-DC Buck Converter 5V-1A