Texas Instruments

LM2575HVT-3.3/LF03

LM2575HVT-3.3/LF03 Description

The LM2575HVT-3.3/LF03 is a high-performance, fixed-output voltage regulator from Texas Instruments, designed to provide a stable 3.3V output with a maximum output current of 1A. This device is part of the SIMPLE SWITCHER® series, renowned for its ease of use and robust performance. The LM2575HVT-3.3/LF03 operates within an input voltage range of 4V to 60V, making it highly versatile for a wide array of applications. The regulator employs a buck topology, ensuring high efficiency and minimal power loss. With a switching frequency of 52kHz, it balances performance and efficiency while maintaining a compact footprint. The device is housed in a TO220-5 package, suitable for through-hole mounting, and is available in a tube package format. It is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met. The LM2575HVT-3.3/LF03 is moisture sensitivity level 1 (MSL1), allowing for unlimited exposure to ambient conditions without degradation.

LM2575HVT-3.3/LF03 Features

• Fixed Output Voltage: Provides a stable 3.3V output, ideal for applications requiring a precise voltage level.
• Wide Input Voltage Range: Operates efficiently from 4V to 60V, offering flexibility in power supply design.
• High Output Current: Capable of delivering up to 1A, suitable for demanding applications requiring significant power.
• Buck Topology: Utilizes a buck converter design for high efficiency and reduced power dissipation.
• Switching Frequency: Operates at 52kHz, balancing efficiency and performance with minimal electromagnetic interference (EMI).
• Through-Hole Mounting: TO220-5 package is ideal for through-hole applications, providing robust mechanical stability.
• Regulatory Compliance: REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity: MSL1 rating allows for unlimited exposure to ambient conditions, enhancing reliability in various environments.

LM2575HVT-3.3/LF03 Applications

The LM2575HVT-3.3/LF03 is ideal for a variety of applications where a stable, fixed voltage is required. Its wide input voltage range and high output current make it suitable for:

• Embedded Systems: Provides a reliable power source for microcontrollers and other embedded devices.
• Industrial Controls: Ensures stable power supply for PLCs and other industrial control systems.
• Telecommunications: Powers various components in telecom infrastructure, ensuring consistent performance.
• Consumer Electronics: Suitable for devices requiring a stable 3.3V supply, such as routers and set-top boxes.
• Automotive Electronics: Provides a robust power solution for automotive applications, withstanding wide voltage fluctuations.

Conclusion of LM2575HVT-3.3/LF03

The LM2575HVT-3.3/LF03 from Texas Instruments is a highly efficient, fixed-output voltage regulator designed to meet the demands of modern power management applications. Its wide input voltage range, high output current, and stable 3.V3 output make it a versatile solution for various industries. The device's compliance with environmental and regulatory standards, along with its robust mechanical design, ensures long-term reliability and performance. Whether for embedded systems, industrial controls, or consumer electronics, the LM2575HVT-3.3/LF03 offers a reliable and efficient power management solution, setting it apart from similar models in the market.