UC3876N

AC DC Converters, Offline Switchers Overview

The UC3876N is a phase-shift resonant controller manufactured by Texas Instruments, designed for high-frequency switching applications. It features four output channels and supports full-bridge topologies with a maximum switching frequency of 1 MHz. The device operates within a supply voltage range of 11 V to 20 V and delivers an output current of 2 A. It utilizes a PDIP-20 package for through-hole mounting and functions reliably across an operating temperature range of 0°C to +70°C.

AC DC Converters, Offline Switchers Feature Summary

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

AC DC Converters, Offline Switchers Applications

• Phase-shifted full bridge power supplies
• Zero voltage transition converter designs
• High-efficiency DC/DC conversion systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct packaging and variant specifications. Confirm that the component meets all relevant environmental compliance standards required for your target market. Cross-reference the manufacturer datasheet revision history to validate technical parameters before finalizing procurement decisions.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing phase-shift resonant converters requiring four-channel drive signals. Ensure the application topology aligns with full-bridge configurations. Verify that the input voltage requirements fall within the specified operational limits and that thermal management suits the through-hole package constraints.

AC DC Converters, Offline Switchers Part Context

This part belongs to the UC3876 series of switching controllers from Texas Instruments. It is categorized under PMIC - Power Management ICs. The device is specifically engineered for advanced resonant mode operations, distinguishing it from standard PWM controllers by its capability to manage complex phase-shift timing sequences.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official discontinuance notifications or equivalent product selection guides for confirmed substitutes. Verify pin compatibility and electrical parameter alignment before transitioning to alternative components.