UCC28250RGPT

DC DC Switching Controllers Overview

The UCC28250RGPT is an advanced PWM controller from Texas Instruments designed for isolated DC-DC converters. It supports Full Bridge, Half Bridge, and Push-Pull topologies within a 20-pin QFN package. The device operates with a switching frequency range of 85 kHz to 1.15 MHz and delivers up to 4 outputs. It features a maximum duty cycle of 100%, an output voltage of 3.3 V, and an output current capability of 200 mA. Operating temperatures span from -40°C to +125°C, with rise and fall times of 8 ns.

DC DC Switching Controllers Feature Summary

• Advanced PWM control architecture enabling pre-bias operation for safe startup conditions
• Supports multiple isolated converter topologies including full bridge, half bridge, and push-pull configurations
• Integrated synchronous rectifier driver capabilities for improved efficiency in low-voltage applications

DC DC Switching Controllers Applications

• Isolated DC-DC step-down converters with single isolated output
• High-density power supplies requiring pre-bias load start-up capabilities
• Industrial and commercial power systems utilizing full bridge or half bridge topologies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix (RGPT) corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the 20-QFN thermal pad requirements align with your PCB layout guidelines. Ensure compliance with RoHS3 standards if mandated by your regional regulations. Cross-reference the datasheet revision date to confirm compatibility with your design specifications.

DC DC Switching Controllers Selection Notes

Select this component when designing isolated converters requiring synchronous rectification and pre-bias handling. It is suitable for applications needing high duty cycle coverage up to 100%. Consider the 20-QFN package for space-constrained designs. Evaluate the 85 kHz to 1.15 MHz frequency range against your magnetic component selection constraints.

DC DC Switching Controllers Part Context

This part belongs to the UCC28250 series of advanced PWM controllers manufactured by Texas Instruments. It is categorized under PMIC - Power Management ICs, specifically Switching Controllers. The device is distinct from the UC3825 series, offering modern features like synchronous rectification support and pre-bias operation not found in legacy counterparts.

DC DC Switching Controllers Replacement Considerations

The UCC28250RGPR is a compatible alternative within the same family, differing primarily in reel packaging configuration rather than functional performance.