UC2572N

DC DC Switching Controllers Overview

The UC2572N is a negative output flyback pulse width modulator manufactured by Texas Instruments. It functions as a DC-DC switching controller IC designed for step-up and step-down applications with negative output regulation. The device operates within a supply voltage range of 4.75V to 30V. It is housed in an 8-pin Dual In-Line Package (DIP) with a standard pin spacing of 0.300 inches (7.62mm). This component is classified under Power Management ICs and utilizes silicon technology.

DC DC Switching Controllers Feature Summary

• Negative output flyback pulse width modulation control
• Integrated DC-DC switching controller for step-up and step-down conversion
• Wide supply voltage operational range

DC DC Switching Controllers Applications

• Flyback regulator circuits requiring negative output
• Step-up/step-down DC-DC power supply designs
• General-purpose switching controller applications

DC DC Switching Controllers Procurement Notes

Verify the specific package variant, as the UC2572 series includes both DIP and SOIC options. Confirm that the required part is the N suffix indicating the PDIP package. Ensure compatibility with the target PCB footprint for an 8-DIP configuration. Check for RoHS compliance status if environmental regulations apply to the end product. Validate the manufacturer source to ensure genuine Texas Instruments components.

DC DC Switching Controllers Selection Notes

Select this component when a dedicated negative output flyback controller is required. It is suitable for designs needing integrated PWM control without external oscillator components. Consider the 8-DIP package for through-hole assembly requirements. Evaluate the 4.75V to 30V input range against the system's power supply capabilities. Compare performance against other flyback controllers if specific frequency or current limits are critical.

DC DC Switching Controllers Part Context

The UC2572 belongs to the UC25xx series of negative output flyback pulse width modulators from Texas Instruments. It is part of the broader Power Management IC category, specifically within DC-DC switching controllers. The device serves as a core control element in isolated power supply topologies, providing stable regulation for negative voltage rails in various electronic systems.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.