UCC25705P

DC DC Switching Controllers Overview

The UCC25705P is a voltage mode PWM controller from Texas Instruments designed for DC-DC switching applications. It operates at a switching frequency of 1100 kHz and delivers an output current of 20 mA. The device supports Boost, Buck, Flyback, and Forward topologies with a maximum duty cycle of 93%. It features a positive output configuration with isolation and includes current limit control. The component functions within a temperature range of -40°C to +85°C and is housed in an 8-DIP package.

DC DC Switching Controllers Feature Summary

• Supports multiple power converter topologies including Boost, Buck, Flyback, and Forward configurations
• Provides isolated positive output capable of driving external transistors efficiently
• Integrates current limit control for enhanced system protection

DC DC Switching Controllers Applications

• High efficiency DC-DC power supply designs
• Industrial power conversion systems requiring reliability
• Versatile voltage regulation applications

DC DC Switching Controllers Procurement Notes

Verify the specific ordering suffix to ensure the correct package type matches your design requirements. Confirm RoHS compliance status through official documentation before integration. Check for any regional distribution restrictions or obsolescence notices directly from Texas Instruments to ensure long-term availability and supply chain stability.

DC DC Switching Controllers Selection Notes

Select this component when a voltage mode controller is required for versatile topology support. Ensure the 1100 kHz switching frequency aligns with your electromagnetic interference constraints. Verify that the 20 mA drive capability meets the gate charge requirements of your selected external power transistors for optimal performance.

DC DC Switching Controllers Part Context

This part belongs to the UCC25705 series of switching controllers. It is distinct from other variants like the UCC25702 or UCC25706 which may offer different frequencies or packages. The P suffix indicates a through-hole DIP package, differing from surface-mount options available in the same family.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material. Consult Texas Instruments for direct replacements or cross-reference with similar voltage mode controllers if pin compatibility is required.