UC3825QTR

DC DC Switching Controllers Overview

The UC3825QTR is a high-speed PWM controller manufactured by Texas Instruments, designed for advanced power conversion applications. It operates within a switching frequency range of 340 kHz to 460 kHz and supports a maximum duty cycle of 85%. The device features dual outputs with positive configuration and utilizes a 20-PLCC package measuring 9x9 mm. It functions as a DC-DC switching controller compatible with buck, boost, flyback, forward, full-bridge, half-bridge, and push-pull topologies. The unit includes control characteristics such as current limiting, enable, frequency control, slope compensation, and soft start capabilities.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies including buck, boost, flyback, and bridge configurations
• Integrates comprehensive protection and control features like current limiting and soft start
• Provides dual positive output drivers for versatile power supply designs

DC DC Switching Controllers Applications

• Buck converter implementations
• Boost converter architectures
• Flyback power supply designs
• Forward converter systems
• Bridge and push-pull power stages

DC DC Switching Controllers Procurement Notes

Verify component status carefully as this specific part number may be obsolete or discontinued in certain markets. Confirm availability through authorized distributors and check for valid replacement options if production continuity is required. Ensure the source documentation matches the exact suffix and package type to avoid integration errors.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring high-speed PWM control with flexible topology support. Consider the 20-PLCC package constraints and operating temperature range of 0°C to 70°C. Evaluate compatibility with existing circuit requirements regarding voltage ranges and control feature needs before finalizing the design choice.

DC DC Switching Controllers Part Context

This component belongs to the UC3825 family of enhanced PWM controllers from Texas Instruments. It shares core functional similarities with other variants in the series but differs in packaging and specific electrical parameters. The family is known for providing robust control mechanisms for various switching power supply applications across industrial and commercial sectors.

DC DC Switching Controllers Replacement Considerations

UC3825DW is listed as a similar substitute option.