The LM5105SDX/NOPB is a high-performance, feature-rich half-bridge gate driver designed by Texas Instruments to effectively drive the gates of both high-side and low-side power MOSFETs in a synchronous buck or a half-bridge configuration. This gate driver is suitable for a wide range of applications, including motor control, power supply, and DC-DC converters.

Key Features

• Voltage Range: The device operates with a supply voltage range of 5V to 12V, accommodating various application requirements.
• Peak Output Current: It can deliver peak output currents of up to 2.5A for the high-side and low-side drivers, ensuring efficient switching of connected MOSFETs.
• Adaptive Dead-Time Control: The LM5105SDX/NOPB offers adaptive dead-time control to optimize switching behavior and reduce dead-time losses, improving system efficiency.
• Propagation Delay: With a typical propagation delay of 13ns, this gate driver ensures fast and precise control of the MOSFET gates.
• Under-Voltage Lockout (UVLO): The built-in UVLO feature protects the MOSFETs from operating at insufficient voltages, which could otherwise lead to inefficient switching or device damage.
• Thermal Shutdown: The device includes a thermal shutdown feature to prevent overheating, enhancing system reliability.
• Package: The LM5105SDX/NOPB is available in a compact LLP-10 package, making it ideal for space-constrained applications.
• RoHS Compliant: This product is RoHS compliant, adhering to environmental standards and regulations.

Applications

The versatile nature of the LM5105SDX/NOPB gate driver makes it an excellent choice for a variety of applications, such as:

• Switch Mode Power Supplies (SMPS)
• DC to DC Converters
• Motor Controllers
• Power Inverters
• Synchronous Buck Converters

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the LM5105SDX/NOPB is no exception. It is designed to meet the rigorous demands of industrial and consumer applications, ensuring long-term performance and durability.