UC3867NG4

DC DC Switching Controllers Overview

The UC3867NG4 is a resonant-mode power supply controller manufactured by Texas Instruments, designed for phase-shifted full-bridge applications. It operates within a supply voltage range of -55 V to 125 V and supports switching frequencies up to 300 kHz. The device features four outputs and is housed in a 20-pin PDIP package suitable for through-hole mounting. It functions as a PWM controller with a maximum load cycle of 100% and an output current capability of 100 mA.

DC DC Switching Controllers Feature Summary

• Supports phase-shifted resonant mode control topologies
• Integrated high-voltage startup circuitry
• Capable of driving multiple synchronous rectifiers or primary switches

DC DC Switching Controllers Applications

• High-efficiency DC-DC converters
• Resonant power supply designs
• Industrial power systems requiring phase-shifted full-bridge regulation

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS adherence according to Texas Instruments documentation. Confirm that the 20-pin PDIP package matches your PCB footprint requirements. Ensure the operating temperature range of 0°C to 70°C aligns with your system's thermal environment before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this component when designing resonant-mode converters requiring integrated phase-shift control. It is suitable for applications needing wide input voltage ranges and high-frequency operation up to 300 kHz. Consider the PDIP-20 package constraints for through-hole assembly processes and verify compatibility with your gate drive requirements.

DC DC Switching Controllers Part Context

This part belongs to the UC series of power management ICs from Texas Instruments. It is categorized under PMIC and specifically serves as a PWM controller for resonant applications. The device is distinct from standard fixed-frequency controllers due to its specialized support for phase-shifted full-bridge topologies.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify functional equivalence with other UC-series controllers if direct substitution is required.