Microchip Technology

LM2574-5.0BN  

DC Switching Voltage Regulators

LM2574-5.0BN Description

The LM2574-5.0BN is a fixed-output voltage regulator from Microchip Technology, designed to provide a stable 5V output with a maximum output current of 500mA. This through-hole mounted device is housed in an 8-pin DIP package and operates with an input voltage range up to 40V. Utilizing a buck topology, it achieves efficient power conversion with a switching frequency of 52kHz. Despite its obsolescence, the LM2574-5.0BN remains a reliable choice for applications requiring a simple, cost-effective voltage regulation solution.

LM2574-5.0BN Features

• Fixed Output Voltage: The LM2574-5.0BN provides a stable 5V output, ideal for applications requiring a precise and consistent power supply.
• High Input Voltage Range: With a maximum input voltage of 40V, this regulator can handle a wide range of input voltages, making it versatile for various power sources.
• Efficient Buck Topology: The buck topology ensures high efficiency in power conversion, minimizing power loss and heat generation.
• Through-Hole Mounting: The through-hole mounting type facilitates easy integration into printed circuit boards, ensuring robust mechanical stability.
• Low Moisture Sensitivity: The moisture sensitivity level (MSL) of 1 (unlimited) ensures the device is highly resistant to moisture, suitable for a variety of environmental conditions.
• REACH Compliance: The LM2574-5.0BN is REACH unaffected, ensuring compliance with environmental and safety regulations.
• Single Output Configuration: The device features a single positive output configuration, simplifying circuit design and reducing complexity.

LM2574-5.0BN Applications

The LM2574-5.0BN is well-suited for a variety of applications where a reliable and efficient 5V power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering small electronic devices such as USB chargers, portable audio devices, and low-power peripherals.
• Industrial Equipment: Suitable for low-power industrial applications, including sensors, controllers, and embedded systems.
• Automotive Electronics: Can be used in automotive applications where a stable 5V supply is needed for microcontrollers, infotainment systems, and other electronic modules.
• Telecommunications: Provides a reliable power source for low-power communication devices and modules, ensuring consistent performance.

Conclusion of LM2574-5.0BN

The LM2574-5.0BN from Microchip Technology is a robust and efficient fixed-output voltage regulator, offering a stable 5V supply with a maximum output current of 500mA. Its high input voltage range, efficient buck topology, and through-hole mounting make it a versatile and reliable choice for a variety of applications. Despite being marked as obsolete, the LM2574-5.0BN remains a valuable component for designers seeking a cost-effective and dependable power regulation solution. Its compliance with REACH regulations and low moisture sensitivity further enhance its suitability for diverse environments.

LM2574-5.0BN Documents

Download datasheets and manufacturer documentation for LM2574-5.0BN

Datasheets :

LM2574      

Design Resources :

LM2574 Development Tool Selector      

HTML Datasheet :

LM2574      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH