UCC29422N

DC DC Switching Controllers Overview

The UCC29422N is a DC-DC switching controller manufactured by Texas Instruments, designed for versatile power conversion topologies. It supports positive output step-up, step-up/step-down, boost, flyback, and SEPIC configurations. The device features an integrated transistor driver output and operates within a supply voltage range of 1.8V to 8V. It includes an external enable function and functions at frequencies up to 1.2MHz. The component is housed in a 16-pin PDIP package and is rated for operation between -40°C and +85°C ambient temperature.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies including boost, flyback, and SEPIC
• Integrated transistor driver output for direct control
• Wide operating supply voltage range from 1.8V to 8V

DC DC Switching Controllers Applications

• Step-up voltage regulation circuits
• Flyback converter designs
• SEPIC topology applications

DC DC Switching Controllers Procurement Notes

Verify the current lifecycle status as the UCC29422N is listed as obsolete by major distributors. Confirm availability through authorized channels or approved alternative sources. Ensure the specific package variant matches design requirements before procurement.

DC DC Switching Controllers Selection Notes

Select this controller when designing systems requiring flexible topology support such as boost or SEPIC converters. Consider the 16-pin PDIP package for through-hole assembly needs. Evaluate the 1.2MHz frequency capability against EMI constraints and efficiency targets for the specific application environment.

DC DC Switching Controllers Part Context

This component belongs to the family of DC-DC switching controllers produced by Texas Instruments. It serves as a specialized IC for managing power conversion processes in various electronic devices requiring stable voltage regulation across different input and output conditions.

DC DC Switching Controllers Replacement Considerations

As the UCC29422N is marked obsolete, identify pin-compatible alternatives from Texas Instruments or other manufacturers that support similar topologies like boost and flyback. Verify electrical specifications and package dimensions to ensure seamless integration into existing designs.