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LM2575-3.3BN

LM2575-3.3BN Description

The LM2575-3.3BN is a fixed output voltage regulator from Microchip Technology, designed for applications requiring a reliable and efficient power management solution. This regulator features a fixed output voltage of 3.3V and is capable of delivering up to 1A of output current. It operates within an input voltage range of 4V to 40V, making it suitable for a wide variety of power supply applications. The LM2575-3.3BN employs a buck topology with a switching frequency of 52kHz, ensuring high efficiency and minimal power loss.

LM2575-3.3BN Features

• Fixed Output Voltage: The LM2575-3.3BN provides a stable output voltage of 3.3V, ideal for applications requiring a precise and consistent power supply.
• Wide Input Voltage Range: With an input voltage range of 4V to 40V, this regulator can accommodate a variety of power sources, enhancing its versatility.
• High Output Current: Capable of delivering up to 1A of output current, the LM2575-3.3BN is suitable for applications with moderate to high current requirements.
• Buck Topology: Utilizing a buck converter topology, the regulator achieves high efficiency and minimal power loss, making it energy-efficient.
• Switching Frequency: The 52kHz switching frequency ensures stable performance and reduces the size of external components.
• Through Hole Mounting: The through-hole mounting type facilitates easy integration into various circuit designs.
• Obsolete Status: While the LM2575-3.3BN is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.
• REACH Compliance: The regulator is REACH unaffected, ensuring compliance with environmental and safety regulations.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the LM2575-3.3BN is suitable for use in environments with varying humidity levels.

LM2575-3.3BN Applications

The LM2575-3.3BN is well-suited for a range of applications that demand a stable and efficient power supply. Some specific use cases include:

• Embedded Systems: Ideal for powering microcontrollers, sensors, and other low-power devices in embedded systems.
• Communication Equipment: Provides a stable power supply for communication modules and interfaces.
• Consumer Electronics: Suitable for powering devices such as routers, modems, and other consumer electronics that require a fixed 3.3V supply.
• Industrial Control: Can be used in industrial control systems where a reliable and efficient power supply is crucial.
• Automotive Electronics: Suitable for automotive applications that require a stable 3.3V supply for various electronic components.

Conclusion of LM2575-3.3BN

The LM2575-3.3BN from Microchip Technology is a robust and efficient fixed output voltage regulator, offering a stable 3.3V output with a wide input voltage range and high output current capability. Its buck topology and 52kHz switching frequency ensure high efficiency and minimal power loss, making it an ideal choice for a variety of applications. Despite its obsolete status, the LM2575-3.3BN remains a reliable option for legacy systems and specific applications where its unique features are required.