onsemi

MC33166D2TG

MC33166D2TG Description

The MC33166D2TG from onsemi is a high-performance, adjustable DC switching voltage regulator designed for demanding power management applications. This buck/boost regulator integrates a 3.3A switching current capability with a wide 7.5V to 40V input range, making it suitable for industrial, automotive, and telecom systems requiring robust voltage conversion. Its adjustable output (5.05V to 40V) and 72kHz switching frequency ensure efficient power delivery with minimal external components. Packaged in a D2PAK-5 (TO-263-5) surface-mount form factor, it combines thermal efficiency with space-saving design. The device is ROHS3 compliant and REACH unaffected, meeting stringent environmental standards.

MC33166D2TG Features

• Wide Input Range: Operates from 7.5V to 40V, accommodating fluctuating power sources.
• High Current Output: Delivers 3.3A (switch) for power-hungry loads.
• Flexible Topology: Supports buck and boost configurations for versatile voltage conversion.
• Adjustable Output: 5.05V to 40V range enables precise regulation.
• 72kHz Switching Frequency: Balances efficiency and noise performance.
• Robust Packaging: D2PAK-5 offers superior thermal dissipation and mechanical durability.
• Compliance: ROHS3, REACH, and ECCN EAR99 certified for global use.
• Non-Synchronous Rectification: Simplifies design while maintaining efficiency.

MC33166D2TG Applications

• Industrial Power Systems: Ideal for PLCs, motor drives, and factory automation due to its wide input range and high current handling.
• Automotive Electronics: Suitable for infotainment, lighting, and ADAS modules requiring stable voltage under varying battery conditions.
• Telecom Infrastructure: Powers base stations and networking equipment with efficient buck/boost conversion.
• Renewable Energy: Integrates into solar/wind power systems for DC-DC regulation.
• Consumer Electronics: Used in high-power audio amplifiers and portable devices.

Conclusion of MC33166D2TG

The MC33166D2TG stands out as a versatile, high-efficiency switching regulator for applications demanding wide input ranges, high current, and flexible topologies. Its adjustable output, robust packaging, and compliance make it a reliable choice for engineers designing power systems in harsh environments. Compared to similar models, its buck/boost capability and 3.3A output provide superior performance in space-constrained, high-power scenarios. Whether for industrial, automotive, or telecom use, this regulator delivers precision, durability, and efficiency.