onsemi

LM2576D2T-005G

LM2576D2T-005G Description

The LM2576D2T-005G from onsemi is a high-efficiency, fixed-output 5V, 3A step-down (buck) switching voltage regulator in a D2PAK-5 surface-mount package. Designed for rugged industrial and automotive applications, it operates over a wide 7V to 40V input range, making it suitable for systems powered by unregulated or fluctuating DC sources. With a 52kHz switching frequency, it balances efficiency and component size, minimizing external filter requirements. The device features non-synchronous rectification and supports positive or negative output configurations, offering design flexibility. Its ROHS3 compliance and REACH-unaffected status ensure environmental and regulatory adherence.

LM2576D2T-005G Features

• Fixed 5V Output: Precision-regulated voltage for stable power delivery.
• High Current Capacity: Delivers up to 3A continuous current with thermal protection.
• Wide Input Range (7V–40V): Tolerates input voltage variations, ideal for automotive/industrial environments.
• 52kHz Switching Frequency: Optimizes efficiency while reducing EMI and external component size.
• Non-Synchronous Buck Topology: Simplifies design with minimal external components (e.g., diode, inductor).
• Robust Packaging: D2PAK-5 (TO-263-5) offers superior thermal performance and mechanical durability.
• Compliance: ROHS3, REACH, and ECCN EAR99 certified for global use.

LM2576D2T-005G Applications

• Automotive Systems: Powering infotainment, sensors, and ECUs from 12V/24V batteries.
• Industrial Equipment: Regulating power for PLCs, motor controllers, and instrumentation.
• Telecom Infrastructure: Step-down conversion in base stations and networking hardware.
• Consumer Electronics: Efficient voltage regulation for set-top boxes, routers, and displays.
• DIY/Prototyping: Reliable, easy-to-implement solution for breadboard and PCB designs.

Conclusion of LM2576D2T-005G

The LM2576D2T-005G stands out for its high current output, wide input range, and robust packaging, making it a versatile choice for demanding applications. Its fixed 5V output simplifies design, while 52kHz switching ensures efficiency without excessive noise. Compared to linear regulators, it significantly reduces heat dissipation, and its D2PAK-5 package enhances thermal management. Ideal for automotive, industrial, and telecom applications, this regulator combines performance, reliability, and compliance with global standards.