UCC256404BDDBR

Power Supply Controllers, Monitors Overview

The UCC256404BDDBR is an LLC resonant controller from Texas Instruments designed for high-efficiency power conversion. It features ultra-low power consumption and ultra-quiet standby operation, making it suitable for stringent energy efficiency standards. The device supports a wide AC input range and integrates X-capacitor discharge functionality. It operates within a temperature range of -40°C to 125°C and utilizes a 14-SOIC package.

Power Supply Controllers, Monitors Feature Summary

• Ultra-low power and ultra-quiet standby operation
• High voltage startup capability
• Integrated X-capacitor discharge
• Supports Zero Voltage Switching (ZVS)

Power Supply Controllers, Monitors Applications

• Universal input isolated DC/DC converters
• LLC resonant half-bridge topologies
• High-efficiency AC/DC power supplies

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix BDDBR against official Texas Instruments documentation to confirm pinout and electrical characteristics. Ensure compatibility with the intended PCB footprint and thermal management requirements. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if required by regulatory standards.

Power Supply Controllers, Monitors Selection Notes

Select this component for applications requiring high efficiency at light loads and quiet standby modes. It is appropriate for designs utilizing LLC resonant topology with half-bridge configurations. Consider the integrated high-voltage startup feature to simplify bias supply design. Evaluate the operating temperature range to ensure suitability for the target environment.

Power Supply Controllers, Monitors Part Context

This device belongs to the UCC25640x family of LLC resonant controllers. It shares functional similarities with models like the UCC256402 and UCC256403 but may differ in specific electrical parameters or packaging options. The family is designed to address modern power supply efficiency requirements through advanced control techniques.

Power Supply Controllers, Monitors Replacement Considerations

The UCC256402ADDBR is a related variant within the same product family. Verify pin-to-pin compatibility and parameter alignment before substitution. Consult the official datasheet for detailed comparison of electrical specifications and application circuit requirements.