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MC34167TVG

MC34167TVG Description

The MC34167TVG from onsemi is a versatile adjustable DC switching voltage regulator designed for high-efficiency power conversion. This obsolete but robust component supports buck and boost topologies, making it suitable for a wide range of voltage regulation tasks. With an input voltage range of 7.5V to 40V and an adjustable output voltage (5.05V min, 40V max), it delivers up to 5.5A switching current at a fixed switching frequency of 72kHz. Packaged in a TO-220-5 through-hole form factor, it is ideal for industrial and embedded systems requiring reliable power management.

MC34167TVG Features

• Wide Input Range (7.5V–40V): Supports diverse power sources, including automotive and industrial supplies.
• Adjustable Output (5.05V–40V): Flexible for both step-down (buck) and step-up (boost) applications.
• High Current Capability (5.5A Switch): Efficiently powers demanding loads with minimal heat dissipation.
• 72kHz Switching Frequency: Balances efficiency and noise for stable performance.
• Non-Synchronous Rectification: Simplifies design while maintaining reliability.
• ROHS3 Compliant & REACH Unaffected: Meets environmental and regulatory standards.
• Through-Hole Mounting (TO-220-5): Easy integration into prototyping or legacy systems.

MC34167TVG Applications

• Industrial Power Supplies: Suitable for factory automation, motor control, and PLCs.
• Automotive Systems: Handles voltage fluctuations in infotainment or lighting systems.
• Embedded Computing: Powers single-board computers, IoT gateways, and peripherals.
• Telecom Infrastructure: Provides stable voltage conversion in base stations and routers.
• Legacy Equipment Upgrades: Replaces older linear regulators for improved efficiency.

Conclusion of MC34167TVG

The MC34167TVG stands out for its dual-topology flexibility, wide voltage range, and high current handling, making it a reliable choice for engineers needing adaptable power solutions. While marked as obsolete, its rugged design and onsemi’s proven quality ensure continued suitability for maintenance, repairs, or niche applications. For systems requiring efficient, adjustable power conversion in harsh environments, this regulator remains a pragmatic option.