UC3867DW

DC DC Switching Controllers Overview

The UC3867DW is a resonant-mode power supply controller manufactured by Texas Instruments, designed for high-efficiency switching applications. It supports Full Bridge, Half Bridge, and Push-Pull topologies within a 16-pin SOIC package. The device operates with a maximum switching frequency of 450 kHz and delivers an output current of 500 mA. It features a maximum duty cycle of 50% and includes internal timing control. The component functions reliably across an operating temperature range from 0°C to +70°C.

DC DC Switching Controllers Feature Summary

• Integrated resonant-mode control logic optimized for soft-switching power supplies
• Supports multiple transformer-coupled topologies including full bridge and push-pull configurations
• Built-in oscillator with adjustable frequency capabilities up to 450 kHz

DC DC Switching Controllers Applications

• Resonant-mode power supply designs
• High-frequency AC-DC converters
• Induction heating controllers

DC DC Switching Controllers Procurement Notes

Verify the specific revision code and RoHS compliance status directly with the manufacturer or authorized distributors before procurement. Confirm that the SOIC-16 package dimensions match your PCB footprint requirements. Ensure that the lead time aligns with production schedules as manufacturing cycles may vary. Check for any recent product change notifications regarding pinout or electrical characteristics updates.

DC DC Switching Controllers Selection Notes

Select this component when designing resonant-mode converters requiring integrated control without external oscillators. Consider the 450 kHz frequency limit and 500 mA drive capability against load requirements. Evaluate thermal management needs for the SOIC-16 package in enclosed environments. Compare against the UC3865 series if higher output current or different frequency ranges are required for the specific application topology.

DC DC Switching Controllers Part Context

This part belongs to the UC386x family of resonant-mode controllers from Texas Instruments. These devices are engineered to simplify the design of high-efficiency power supplies by integrating necessary control functions. The DW suffix indicates a plastic small-outline package suitable for surface-mount assembly technologies commonly used in modern electronics manufacturing.

DC DC Switching Controllers Replacement Considerations

The UC3865DW is a functional alternative within the same family offering similar resonant control features. Verify compatibility regarding output current ratings and switching frequency specifications before substitution.