UC2872N

Overview

The UC2872N is a PWM controller from the UC series, designed for phase-shifted resonant applications. It features a 20-pin PDIP package with through-hole mounting. The device supports up to four outputs and operates at a maximum switching frequency of 300 kHz. It functions within a supply voltage range of -55V to 125V and handles an output current of 100mA. The component is rated for operation between 0°C and 70°C, with a maximum load cycle of 100%.

Feature Summary

• Supports phase-shifted resonant control topology
• Provides four independent output channels
• Capable of operating at switching frequencies up to 300 kHz

Applications

• Phase-shifted full-bridge power supplies
• Resonant converter designs
• High-frequency isolated DC-DC conversion systems

Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm exact package type and temperature grade. Ensure the procurement channel provides valid traceability for industrial components. Cross-reference the ordering part number with the manufacturer's latest datasheet to avoid discrepancies in pinout or electrical characteristics.

Selection Notes

Select this component when designing phase-shifted resonant converters requiring four-channel drive signals. Verify that the system input voltage remains within the specified -55V to 125V range. Confirm that the thermal environment stays within the 0°C to 70°C operational limits. Ensure the PCB layout accommodates the 20-pin PDIP footprint for reliable through-hole assembly.

Part Context

This device belongs to the UC series of PWM controllers, which are established solutions for high-performance power management. The UC2872N specifically targets resonant topologies, distinguishing it from standard fixed-frequency controllers. Its design facilitates efficient energy transfer in high-frequency applications where soft-switching techniques reduce losses.

Replacement Considerations

Consult official substitution lists for verified alternatives. Generic replacements may not support the specific phase-shifted resonant requirements or the four-output configuration.