UC2876N

AC DC Converters, Offline Switchers Overview

The UC2876N is a phase-shift resonant controller manufactured by Texas Instruments, designed for high-frequency power conversion applications. It operates within a supply voltage range of 5 V to 36 V and supports full-bridge topologies with four output channels. The device features a switching frequency capability up to 1 MHz and allows for duty cycles reaching 100%. It is housed in a PDIP-20 package suitable for through-hole mounting and functions reliably across an operating temperature range from -25 °C to +85 °C.

AC DC Converters, Offline Switchers Feature Summary

• Supports phase-shifted full-bridge zero-voltage transition designs
• Provides four independent output channels for complex bridge configurations
• Enables flexible duty cycle control up to 100 percent

AC DC Converters, Offline Switchers Applications

• High-efficiency DC-DC converters utilizing phase-shifted full-bridge topology
• Resonant mode power supplies requiring zero-voltage switching
• Industrial power systems demanding high-frequency operation

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix against official documentation to confirm exact electrical characteristics and compliance status. Ensure the ordering part number matches the required package type and temperature grade. Cross-reference the manufacturer's latest datasheet for any pinout revisions or environmental compliance updates before finalizing procurement specifications.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing phase-shift resonant converters that require precise timing control and multiple drive outputs. Consider the PDIP-20 package constraints for thermal management and PCB layout. Evaluate the 1 MHz frequency limit against transformer and switch requirements to ensure optimal efficiency and performance within the specified temperature range.

AC DC Converters, Offline Switchers Part Context

This device belongs to the UC3876/UC2876 family of phase-shift resonant controllers developed by Texas Instruments. These integrated circuits are engineered to simplify the design of high-power density converters by integrating essential control logic for zero-voltage switching applications.

AC DC Converters, Offline Switchers Replacement Considerations

• UC3876N