Texas Instruments

LM2577S-15/NOPB  

DC Switching Voltage Regulators

LM2577S-15/NOPB Description

The LM2577S-15/NOPB is a fixed-output voltage regulator from Texas Instruments, designed for applications requiring a robust and efficient power solution. This device is part of the SIMPLE SWITCHER® series, known for its ease of use and high performance. The LM2577S-15/NOPB features a maximum input voltage of 40V and a minimum input voltage of 3.5V, making it suitable for a wide range of input voltage sources. It delivers a fixed output voltage of 15V with a maximum output current of 3A through its switch, ensuring reliable power delivery to demanding loads.

The regulator operates at a switching frequency of 52kHz, which helps in reducing the size of external components while maintaining high efficiency. The output configuration is versatile, supporting both positive and negative outputs, which enhances its applicability in various electronic designs. Despite its capabilities, the LM2577S-15/NOPB is marked as obsolete, indicating that it may no longer be in active production. However, it remains a valuable component for existing designs and legacy systems.

LM2577S-15/NOPB Features

• Fixed Output Voltage: The LM2577S-15/NOPB provides a stable 15V output, ensuring consistent power delivery to connected devices.
• Wide Input Voltage Range: With an input voltage range of 3.5V to 40V, this regulator can accommodate a variety of power sources, enhancing its flexibility in different applications.
• High Output Current: Capable of delivering up to 3A of output current, it supports high-power applications and can drive multiple devices simultaneously.
• Versatile Output Configuration: The regulator supports both positive and negative output configurations, making it suitable for a wide range of electronic circuits.
• High Efficiency: Operating at a switching frequency of 52kHz, the LM2577S-15/NOPB minimizes power loss and improves overall system efficiency.
• Surface Mount Packaging: The device is available in a surface mount package, which is ideal for compact designs and automated manufacturing processes.
• Compliance and Safety: The LM2577S-15/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 3 (168 hours), the component is suitable for environments with moderate humidity levels.

LM2577S-15/NOPB Applications

The LM2577S-1/N5OPB is ideal for applications that require a reliable and efficient power solution with a fixed output voltage. Some specific use cases include:

• Industrial Control Systems: Providing stable power to sensors, actuators, and control modules.
• Telecommunications Equipment: Supplying power to communication interfaces and signal processing units.
• Automotive Electronics: Powering electronic control units (ECUs) and other automotive subsystems.
• Consumer Electronics: Driving high-power components in devices such as gaming consoles and high-end audio equipment.
• Medical Devices: Ensuring reliable power delivery to critical components in medical monitoring and diagnostic equipment.

Conclusion of LM2577S-15/NOPB

The LM2577S-15/NOPB from Texas Instruments is a versatile and efficient fixed-output voltage regulator suitable for a wide range of applications. Its wide input voltage range, high output current capability, and versatile output configuration make it a valuable component for various electronic designs. Despite being marked as obsolete, the LM2577S-15/NOPB remains a reliable choice for existing systems legacy and applications. Its compliance with environmental and safety standards further enhances its appeal. For designers seeking a robust and efficient power solution, the LM2577S-15/NOPB offers a compelling combination of performance and reliability.

LM2577S-15/NOPB Documents

Download datasheets and manufacturer documentation for LM2577S-15/NOPB

Datasheets :

LM1577, LM2577      

HTML Datasheet :

LM1577, LM2577