UC3572N

DC DC Switching Controllers Overview

The UC3572N is a negative output flyback pulse width modulator from Texas Instruments. It converts positive input voltage to regulated negative output voltage. The device operates with an input voltage range of 4.75 V to 30 V and supports switching frequencies up to 100 kHz. It features a single output configuration designed for interfacing applications. The component functions within an operating temperature range of 0°C to 70°C. It utilizes an 8-pin PDIP package for through-hole mounting, providing a compact solution for power management circuits requiring negative rail generation.

DC DC Switching Controllers Feature Summary

• Converts positive input voltage to regulated negative output voltage
• Designed specifically for flyback topology applications
• Integrates driver capability for external transistor control

DC DC Switching Controllers Applications

• Power supply systems requiring negative voltage rails
• Flyback converter circuit designs
• Industrial equipment power management

DC DC Switching Controllers Procurement Notes

Verify the specific manufacturer part number against official Texas Instruments documentation to ensure authenticity. Confirm that the package type matches the required 8-pin DIP configuration for your PCB layout. Check the datasheet revision to ensure compatibility with your design specifications. Ensure the supplier provides traceable documentation for quality assurance purposes.

DC DC Switching Controllers Selection Notes

Select this component when a dedicated negative output flyback controller is required. It is suitable for designs needing conversion from positive inputs to negative outputs. Consider the 100 kHz frequency limit and 30 V maximum input voltage during circuit planning. Verify thermal requirements align with the specified 0°C to 70°C operating range for reliable performance.

DC DC Switching Controllers Part Context

The UC3572N belongs to the family of specialized PWM controllers focused on negative voltage generation. Unlike standard dual-output or multi-topology controllers, it is optimized for single-rail negative flyback applications. This specialization allows for simplified circuit design in systems where negative bias voltages are essential for operational amplifiers or other analog components.

DC DC Switching Controllers Replacement Considerations

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