The LM2677SX-12/NOPB is a highly efficient, step-down voltage regulator designed and manufactured by Texas Instruments. This SIMPLE SWITCHER® power converter is engineered to provide a high-quality power management solution for a wide range of applications.

Key Features

• Output Voltage: The device provides a fixed output voltage of 12V, ideal for consistent power supply requirements.
• Output Current: It can deliver up to 5A of continuous output current to the load.
• High Efficiency: With an efficiency rating of up to 92%, it ensures minimal power loss during operation, making it suitable for power-sensitive applications.
• Adjustable Switching Frequency: The switching frequency can be set from 260kHz to 400kHz, allowing flexibility in choosing the optimal frequency for your application.
• Thermal Protection: It includes an internal thermal shutdown feature, which provides protection against excessive temperature rises.
• Current Limiting: Built-in current limiting safeguards the device and the load from overcurrent conditions.
• Inherent Pulse-by-Pulse Current Limit: Offers additional protection by limiting each pulse in case of short circuit or overload.
• Package: The regulator is housed in a TO-263 package, known for good thermal performance and compact size.

Applications

The LM2677SX-12/NOPB is versatile and can be used in various applications, including:

• Simple high-efficiency step-down (buck) regulators
• Efficient pre-regulators for linear regulators
• On-card switching regulators
• Positive to negative converter (Buck-Boost)

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability. The LM2677SX-12/NOPB comes with a lead-free finish and is RoHS compliant, making it suitable for eco-friendly and high-reliability applications. Its robust design ensures a long operational life, even in challenging environments.

Ordering Information

To order this efficient and reliable step-down voltage regulator, refer to the part number LM2677SX-12/NOPB. For detailed specifications and application notes, visit the Texas Instruments official website or contact your local authorized distributor.