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Onsemi LM2575D2T-5R4G Environmental and export classification status description

The Onsemi LM2575D2T-5R4G is a step-down (buck) voltage regulator that can deliver a maximum output current of 1A with a fixed output voltage of 5V. It integrates a high-efficiency power switch and offers features like thermal shutdown, current limiting, and ease of use, making it suitable for many applications where a reliable and efficient power supply is required. Functions - Step-Down Voltage Regulation: Converts higher input voltage to a stable lower output voltage (fixed at 5V). - Efficiency Optimization: High efficiency (up to 90% or more) reduces power waste and heat generation. - Built-in Protection Features: Includes thermal overload protection and current limiting to prevent damage. - Simple Design: Few external components are needed, which simplifies design and reduces cost. Applications - Battery-Powered Devices: Used in gadgets that require efficient power management. - Telecommunications Equipment: Provides reliable power supplies for active devices. - Consumer Electronics: Common in devices like LED drivers, microcontrollers, and sensors. - Automotive Applications: Suitable for automotive electronics requiring low voltage from a higher battery supply. Alternative Parts - LM2596: A similar adjustable voltage regulator with up to 3A output. - LM317: An adjustable voltage regulator, though it requires more external components for configuration. - LM2576: Another version that offers similar functionality but supports output currents up to 3A and also has adjustable versions. - LM22500: A high-efficiency buck regulator that supports higher output currents and voltages. Embedded Modules There are various development boards and modules based on LM2575. Examples include: - LM2575 Evaluation Board: A board designed to facilitate testing and prototyping with the LM2575. - Buck Converter Modules: Compact modules that encapsulate the LM2575, allowing easy integration into custom projects. - Power Supply Kits: Development kits featuring the LM2575 for educational purposes and easy rapid prototyping. Related Q&A 1. Q: What is the maximum output current for the LM2575D2T-5R4G? - A: The LM2575D2T-5R4G can provide a maximum output current of 1A. 2. Q: Can the LM2575D2T-5R4G be used for battery charging applications? - A: While it's primarily designed as a step-down regulator, using it for battery charging directly is not recommended. A dedicated battery charger IC is better suited for that role. 3. Q: What are the key benefits of using the LM2575D2T-5R4G in designs? - A: The main benefits include high efficiency, ease of design with minimal external components, built-in protections, and a fixed output voltage that simplifies many applications. 4. Q: Is there a development board available for the LM2575D2T-5R4G? - A: Yes, there are evaluation boards specifically for the LM2575 that facilitate testing and prototyping. 5. Q: What alternatives are available for the LM2575D2T-5R4G? - A: Alternatives include the LM2596 for higher current applications, LM317 for adjustable output, and LM22500 for enhanced efficiency in higher current needs.