onsemi

LM2575D2T-12R4G

LM2575D2T-12R4G Description

The LM2575D2T-12R4G from onsemi is a fixed-output buck (step-down) switching voltage regulator designed for high-efficiency DC-DC conversion. It delivers a fixed 12V output at up to 1A current with a wide input voltage range of 4.75V to 40V, making it suitable for a variety of industrial, automotive, and consumer applications. Housed in a D2PAK-5 surface-mount package, this regulator operates at a 52kHz switching frequency, balancing efficiency and noise performance. The device is RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance.

LM2575D2T-12R4G Features

• Fixed 12V Output: Eliminates the need for external feedback resistors, simplifying design.
• Wide Input Range (4.75V–40V): Supports diverse power sources, including automotive and industrial supplies.
• 1A Output Current: Suitable for moderate power applications with high efficiency (up to 80%).
• 52kHz Switching Frequency: Reduces output ripple while minimizing external component size.
• Non-Synchronous Buck Topology: Cost-effective solution with robust performance.
• Surface-Mount D2PAK-5 Package: Optimized for thermal management and high-power PCB designs.
• Low Quiescent Current: Enhances efficiency in standby or light-load conditions.
• Built-in Protection: Includes thermal shutdown and current limiting for reliability.

LM2575D2T-12R4G Applications

• Automotive Systems: Powering infotainment, sensors, and lighting from 12V/24V batteries.
• Industrial Controls: Step-down conversion for PLCs, motor drives, and instrumentation.
• Consumer Electronics: Efficient voltage regulation for set-top boxes, routers, and displays.
• Telecom Equipment: DC-DC conversion in base stations and network hardware.
• Battery-Powered Devices: Extends runtime by minimizing power loss in portable equipment.

Conclusion of LM2575D2T-12R4G

The LM2575D2T-12R4G is a reliable, high-performance buck regulator offering simplicity, efficiency, and robustness for 12V applications. Its wide input range, compact package, and integrated protections make it ideal for demanding environments like automotive and industrial systems. Compared to similar models, it stands out for its balance of cost, performance, and ease of integration, making it a preferred choice for engineers seeking a proven switching regulator solution.