The MC34166TH from ON Semiconductor is a versatile high-performance switching regulator that is designed to cater to a wide range of power supply applications. This component is capable of providing efficient DC-DC conversion with a minimum number of external components, making it a compact and reliable solution for various electronic devices.

Key Features

• Wide Input Voltage Range: The MC34166TH operates over a broad input voltage range from 7.6 V to 40 V, allowing it to be used in multiple applications including automotive, industrial, and consumer electronics.
• High Output Current: Capable of delivering output currents up to 3 A, this regulator can power a range of high-demand circuits and components.
• Adjustable Output Voltage: The output voltage is adjustable from 1.23 V to 37 V, providing flexibility for custom voltage requirements.
• High Efficiency: With its high-efficiency operation, the MC34166TH helps in reducing power loss and heat generation, which is crucial for maintaining the reliability and longevity of electronic systems.
• Protection Features: It includes built-in protection mechanisms such as thermal shutdown, current limit, and safe area compensation, ensuring safe operation under various conditions.
• Frequency Operation: The device operates at a fixed frequency of 52 kHz which allows for a predictable performance and the use of smaller filter components.

Applications

The MC34166TH is suitable for a wide array of applications, including:

• Simple high-efficiency step-down (buck) regulators
• Efficient pre-regulators for linear regulators
• Step-up (boost) converters
• Switched-mode power supplies (SMPS)

Package and Quality

ON Semiconductor's MC34166TH comes in a thermally enhanced 5-lead TO-220 package, which offers improved thermal performance and is suitable for high-power applications. The device is manufactured under ON Semiconductor's rigorous quality control standards, ensuring high reliability and performance consistency for your power management needs.