Texas Instruments

UC3907N

UC3907N Description

The UC3907N from Texas Instruments is a specialized Load Share Controller IC designed for precise current sharing in parallel power supply systems. Housed in a 16-DIP package, this through-hole-mount device operates within a 4.5V to 36V supply range and consumes just 6mA of current, ensuring efficient performance. With an operating temperature range of 0°C to 70°C, it is suitable for industrial and commercial applications requiring reliable power distribution. The UC3907N is ROHS3 Compliant and REACH Unaffected, meeting stringent environmental standards.

UC3907N Features

• Wide Supply Voltage Range (4.5V–36V): Supports diverse power architectures.
• Low Quiescent Current (6mA): Enhances energy efficiency in standby modes.
• Precision Load Sharing: Ensures balanced current distribution across parallel supplies, minimizing thermal stress.
• Through-Hole Mounting (16-DIP): Simplifies prototyping and legacy system integration.
• Robust Compliance: Meets ROHS3 and EAR99 standards for global deployment.
• Last Time Buy Status: Ideal for long-lifecycle designs requiring stable sourcing.

UC3907N Applications

• Redundant Power Systems: Maintains uniform current sharing in server farms or telecom backups.
• Parallel Battery Charging: Optimizes charge distribution in multi-battery setups (e.g., UPS, EVs).
• Industrial Power Supplies: Ensures reliability in factory automation and distributed power grids.
• Military/Aerospace: Suitable for non-critical subsystems due to its EAR99 classification.

Conclusion of UC3907N

The UC3907N excels in applications demanding high-efficiency load sharing and voltage stability. Its wide input range, low power consumption, and compliance with environmental standards make it a preferred choice for legacy and new designs. While marked as Last Time Buy, it remains a robust solution for systems requiring long-term reliability. Engineers should consider this IC for projects prioritizing precision current balancing and durability in harsh environments.