UC3825DWTRG4

DC DC Switching Controllers Overview

The UC3825DWTRG4 is a high-speed PWM controller manufactured by Texas Instruments, designed for versatile power conversion applications. It supports multiple topologies including boost, flyback, forward, half-bridge, and push-pull configurations. The device operates with a switching frequency range of 400 kHz to 1 MHz and features a maximum duty cycle of 50%. It provides two output channels in a 16-pin SOIC package. Key control characteristics include current limiting, frequency control, slope compensation, and soft-start functionality. The component is rated for an operating temperature range of 0°C to +70°C.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies such as boost, flyback, forward, half-bridge, and push-pull
• Integrates comprehensive protection and control features including current limiting, frequency control, slope compensation, and soft-start
• Delivers dual output channels via transistor drivers for driving external power switches

DC DC Switching Controllers Applications

• Boost converter designs
• Flyback power supply implementations
• Forward converter systems
• Half-bridge and push-pull topology circuits

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS adherence as per Texas Instruments documentation. Confirm that the UC3825DWTRG4 variant is available from authorized distributors, noting that some sources indicate this specific part number may be obsolete or discontinued. Ensure the procurement channel provides valid traceability and authenticity guarantees for legacy components.

DC DC Switching Controllers Selection Notes

Select this component when a high-speed PWM controller supporting multiple isolated and non-isolated topologies is required. It is suitable for designs needing integrated slope compensation and soft-start within a compact 16-SOIC package. Consider the 400 kHz to 1 MHz frequency range for balancing efficiency and component size. Verify availability status as the part may be marked obsolete in certain distributor catalogs.

DC DC Switching Controllers Part Context

The UC3825DWTRG4 belongs to the UC3825 family of high-speed PWM controllers from Texas Instruments. It is the tape-and-reel version of the UC3825DW, offering automated assembly compatibility. The 'G4' suffix typically denotes environmental compliance features. This series is widely used in industrial and consumer power supplies requiring robust current-mode control capabilities.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not explicitly listed in the provided source material. Users should consult Texas Instruments official substitution guides or contact manufacturers directly for verified equivalents.