UC3865DWTRG4

AC DC Converters, Offline Switchers Overview

The UC3865DWTRG4 is a resonant-mode power supply controller manufactured by Texas Instruments. It operates with a maximum switching frequency of 1000 kHz and supports SOIC-16 surface-mount packaging in tape-and-reel configuration. The device provides two output channels capable of sourcing up to 1.5 A, designed for high-efficiency resonant applications.

AC DC Converters, Offline Switchers Feature Summary

• Supports resonant-mode power supply control architectures
• Provides dual output drive channels for transformer excitation
• Integrated high-current output stage for direct gate driving

AC DC Converters, Offline Switchers Applications

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

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'RG4' indicates RoHS compliance and green material status as per Texas Instruments standards. Confirm the tape-and-reel packaging format matches automated assembly requirements. Ensure the SOIC-16 footprint aligns with the target PCB layout specifications before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing resonant topologies requiring integrated high-current outputs. The 1000 kHz maximum frequency allows for compact magnetic component sizing. Verify that the application circuit supports the specific timing characteristics required for resonant mode operation compared to standard PWM controllers.

AC DC Converters, Offline Switchers Part Context

This part belongs to the UC3865 family of resonant-mode controllers from Texas Instruments. It shares functional similarities with other members of the series but differs in packaging and environmental compliance markings. The DWTRG4 designation specifically identifies the tape-and-reel variant with lead-free termination finishes.

AC DC Converters, Offline Switchers Replacement Considerations

Direct substitutes include UC3865DW and UC3865DWTR. Verify pin compatibility and electrical parameters match exactly. Note that package variations may require adapter boards or reflow profile adjustments during manufacturing.