The UCC2807D-3 is a sophisticated Pulse Width Modulation (PWM) controller designed and manufactured by Texas Instruments, a leader in semiconductor solutions. This device is part of the UCC2807x family of BiCMOS push-pull, high-speed, low-power PWM controllers. It is specifically engineered to deliver precise power control and management for a wide range of applications, including switch-mode power supplies, DC-DC converters, and other power conversion systems.

Key Features

• Trimmed Oscillator Discharge Current: The UCC2807D-3 boasts a trimmed oscillator discharge current, which ensures reliable and consistent switching frequencies across different units and operating conditions.
• Current Mode Operation: This controller offers current mode operation, providing fast response to load transients and over-current protection, enhancing the overall system reliability.
• Low Startup and Operating Current: The UCC2807D-3 is designed for efficiency, with low startup and operating currents that minimize power loss during operation, making it suitable for battery-powered and energy-sensitive applications.
• Wide Supply Voltage Range: It operates over a wide supply voltage range, accommodating various input voltages and allowing for flexible design options.

Performance Advantages

The UCC2807D-3 is optimized for high-performance applications. Its advanced features, such as programmable soft start and shutdown functions, help in reducing in-rush current and stress on the power components during startup. The device's high current drive capability enables it to drive large MOSFETs or IGBTs directly, which simplifies the design and reduces component count.

Applications

With its robust design and versatile features, the UCC2807D-3 is suitable for a variety of applications, including:

• Telecommunications Power Supplies
• Industrial Power Systems
• Portable and Battery-Powered Equipment
• DC-DC Converters
• AC-DC Power Supplies

Package and Availability

The UCC2807D-3 is available in an 8-pin SOIC package, which is compact and suitable for space-constrained applications. Texas Instruments provides comprehensive support for this product, including datasheets, application notes, and design resources to facilitate rapid development and deployment.