Texas Instruments

LM2670S-12  

DC Switching Voltage Regulators

LM2670S-12 Description

The LM2670S-12 is a fixed output voltage regulator from Texas Instruments, designed to deliver a consistent 12V output at a maximum current of 3A. This device is part of the SIMPLE SWITCHER® series, known for its ease of use and high performance in power management applications. The LM2670S-12 operates with an input voltage range of 8V to 40V, making it suitable for a wide array of power supply requirements. The regulator features a switching frequency of 260kHz, which allows for efficient power conversion and reduced component size in the overall design.

The LM2670S-12 is housed in a surface-mount package, specifically a DDPAK, which is ideal for compact and high-density PCB layouts. Despite its small form factor, the regulator is robust, with a moisture sensitivity level (MSL) of 3, indicating it can withstand up to 168 hours of exposure to moisture without degradation. The device is also REACH unaffected, ensuring compliance with environmental regulations.

LM2670S-12 Features

• Fixed Output Voltage: The LM2670S-12 provides a stable 12V output, ensuring consistent power delivery to connected devices.
• Wide Input Voltage Range: With an input voltage range of 8V to 40V, the regulator can accommodate various input sources, enhancing its versatility.
• High Current Capability: The regulator supports a maximum output current of 3A, making it suitable for applications requiring high power delivery.
• Efficient Buck Topology: Utilizing a buck converter topology, the LM2670S-12 offers high efficiency and compact design, ideal for space-constrained applications.
• Surface-Mount Packaging: The DDPAK package ensures easy integration into modern PCB designs, facilitating high-density layouts.
• Moisture Resistance: An MSL rating of 3 (168 hours) ensures the regulator can withstand environmental challenges, enhancing reliability.
• Compliance: The LM2670S-12 is REACH unaffected, ensuring compliance with environmental standards and regulations.

LM2670S-12 Applications

The LM2670S-12 is well-suited for a variety of applications where a stable 12V output and high current delivery are required. Some specific use cases include:

• Industrial Equipment: Powering motors, actuators, and other high-current devices in industrial settings.
• Telecommunications: Providing stable power to communication modules and base stations.
• Automotive Electronics: Supplying power to electronic control units (ECUs) and other automotive systems.
• Consumer Electronics: Ideal for powering high-current components in devices such as gaming consoles and high-end audio systems.
• Power Supplies: Used in compact and efficient power supply units for various electronic devices.

Conclusion of LM2670S-12

The LM2670S-12 from Texas Instruments is a robust and versatile fixed output voltage regulator, offering a stable 12V output at up to 3A. Its wide input voltage range, efficient buck topology, and compact surface-mount packaging make it an ideal choice for a variety of high-current applications. Despite being marked as obsolete, the LM2670S-12 remains a reliable option for designers seeking a straightforward and efficient power management solution. Its compliance with environmental regulations and moisture resistance further enhance its suitability for demanding industrial and consumer applications.

LM2670S-12 Documents

Download datasheets and manufacturer documentation for LM2670S-12