Texas Instruments LM2594M-12 Simple Switcher Power Converter

The LM2594M-12 from Texas Instruments is a highly efficient, monolithic integrated circuit designed for voltage regulation. It is part of the SIMPLE SWITCHER® family of power converters which are known for their ease of use and robust performance. This device is capable of driving a 0.5A load with excellent line and load regulation.

Key Features:

• Output Voltage: The LM2594M-12 provides a fixed output voltage of 12V, which is suitable for a wide array of applications requiring a stable DC supply.
• Current Output: It is capable of delivering up to 0.5A of continuous output current to the load.
• High Efficiency: With a typical efficiency of 77% to 85%, depending on the load and input voltage, it minimizes power loss and heat generation.
• Wide Input Voltage Range: The device operates from an input voltage range of 4.5V to 40V, making it versatile for various power supply configurations.
• 52 kHz Fixed Frequency Internal Oscillator: The fixed frequency simplifies noise filtering in noise-sensitive applications.
• Thermal Shutdown and Current Limit Protection: Enhanced safety features include thermal shutdown to prevent overheating and current limit protection to avoid overcurrent conditions.

Applications:

The LM2594M-12 is ideal for a variety of applications, including but not limited to:

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

Package and Quality:

The device is available in a 14-pin SOIC (Small Outline Integrated Circuit) package, which is suitable for space-constrained applications. Texas Instruments is known for its commitment to quality, and the LM2594M-12 is no exception, being designed and manufactured to meet the highest standards of reliability and performance.