LM2676T-12 Simple Switcher Power Converter

The LM2676T-12 from Texas Instruments is a highly efficient, SIMPLE SWITCHER® step-down voltage regulator that provides all the active functions necessary for local DC to DC voltage conversion. This robust device is capable of driving a 3A load with excellent line and load regulation.

Key Features:

• Output Voltage: The LM2676T-12 is specifically designed to provide a regulated 12V output from an input voltage range of 8V to 40V, making it versatile for a wide range of applications.
• High Efficiency: With an efficiency of up to 92%, this switcher helps to minimize heat generation and enables the use of a smaller heatsink.
• Adjustable Output: While the standard output is set to 12V, it can be adjusted from 1.2V to 37V with the use of external resistors.
• Integrated Features: The device includes a fixed frequency oscillator, a precision voltage reference, high-efficiency switching elements, and an error amplifier.
• Protection: The LM2676T-12 comes with in-built thermal shutdown and current limit protection to ensure safe operation under abnormal conditions.
• Package: It is available in a TO-220 package, which is well-suited for through-hole mounting and provides good thermal performance.

Applications:

The LM2676T-12 is ideal for a variety of applications, including:

• Simple high-efficiency step-down (buck) regulators
• Efficient pre-regulators for linear regulators
• On-card switching regulators
• Positive to negative converters (Buck-Boost)

With its simple design, requiring a minimum number of external components, the LM2676T-12 is perfect for quick and reliable deployment in multiple electronic applications. Its robustness, combined with ease of use and flexibility, makes it a preferred choice for engineers and designers looking to implement an efficient power management solution.