LM2596T-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2596T-12 is a monolithic integrated circuit step-down switching regulator from the LM2596 series, manufactured by TAEJIN Technology Co. It is designed for easy and convenient design of buck converters. The device provides a fixed 12V output and is capable of driving a 3.0A load with excellent line and load regulation. It operates with a wide input voltage range and utilizes a 150kHz fixed frequency internal oscillator. The component requires only four external components for operation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Fixed 12V output version available within the adjustable and fixed voltage series
• Capable of driving a 3.0A load with excellent line and load regulation
• Features a 150kHz fixed frequency internal oscillator for simplified design
• Includes thermal shutdown and current limit protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Simple high-efficiency step-down (buck) regulators
• Efficient pre-regulators for linear regulators
• On-card switching regulators
• Power supplies for battery chargers

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific part number corresponds to the TAEJIN Technology Co. manufacturer rather than Texas Instruments or other legacy producers. Confirm the package type matches the required PCB footprint, typically TO-220 or TO-263 variants within this series. Ensure the fixed 12V output specification aligns with the system requirements, as the broader LM2596 family includes adjustable and other fixed voltage options.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12V output at up to 3.0A is required without the need for external feedback resistors used in adjustable versions. Consider the 150kHz switching frequency for inductor size trade-offs. Verify input voltage compatibility with the wide input range specifications. Ensure thermal management strategies are adequate given the power dissipation characteristics of a 3A buck converter application.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2596 series of SIMPLE SWITCHER power converters. The series is characterized by its simplicity, requiring minimal external components. While originally associated with National Semiconductor and later Texas Instruments, TAEJIN Technology produces variants within this established architecture. The 'T' suffix typically denotes a specific package configuration, often through-hole or surface mount depending on the specific datasheet revision.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Compatible replacements include LM2596T-12/NOPB from Texas Instruments or LM2596SX-12 from ON Semiconductor. These parts share the same functional pinout and electrical specifications. Verify that the replacement manufacturer's absolute maximum ratings and thermal characteristics match the original design constraints.