onsemi

MC34167D2TG

MC34167D2TG Description

The MC34167D2TG from onsemi is a high-performance, adjustable DC switching voltage regulator designed for demanding power management applications. This 5.5A (Switch) regulator supports both buck and boost topologies, making it highly versatile for a wide input voltage range of 7.5V to 40V. With an adjustable output voltage (5.05V to 40V), it caters to systems requiring precise voltage regulation. The device operates at a fixed switching frequency of 72kHz, ensuring stable performance while minimizing electromagnetic interference (EMI). Packaged in a D2PAK-5 (TO-263-5) surface-mount form factor, it is suitable for high-power applications where thermal dissipation is critical.

MC34167D2TG Features

• Wide Input Range (7.5V–40V): Supports diverse power sources, including automotive and industrial supplies.
• High Output Current (5.5A): Delivers robust power for high-load applications.
• Adjustable Output (5.05V–40V): Flexible for both step-down (buck) and step-up (boost) configurations.
• 72kHz Switching Frequency: Balances efficiency and noise reduction.
• Non-Synchronous Rectification: Simplifies design while maintaining reliability.
• RoHS3 & REACH Compliant: Meets stringent environmental standards.
• Operating Temperature (0°C to 70°C): Suitable for commercial and industrial environments.
• Single Output, Positive/Negative Configuration: Adaptable for various circuit requirements.

MC34167D2TG Applications

• Automotive Systems: Power supply for infotainment, lighting, and sensors.
• Industrial Equipment: Voltage regulation for motor drives, PLCs, and control modules.
• Telecom Infrastructure: Base stations and networking hardware requiring stable DC-DC conversion.
• Consumer Electronics: High-current applications like LED drivers and portable devices.
• Renewable Energy Systems: Solar inverters and battery management where input voltage varies widely.

Conclusion of MC34167D2TG

The MC34167D2TG stands out as a flexible, high-current switching regulator with wide input/output ranges, making it ideal for complex power systems. Its buck/boost capability, 72kHz operation, and robust thermal performance (D2PAK-5 package) ensure reliability in automotive, industrial, and telecom applications. Compared to similar models, its adjustability and high current handling provide a competitive edge for designers seeking efficiency and versatility.