XC9301A273MR-G

DC DC Switching Controllers Overview

The XC9301A273MR-G is a step-up and step-down DC-DC controller manufactured by Torex Semiconductor. It operates at a switching frequency of 300kHz, enabling efficient voltage regulation in compact designs. The device supports a maximum duty cycle of 92%, allowing for flexible input and output voltage configurations. Packaged in an SOT-25-5 surface-mount format, it is designed for applications requiring robust power management with minimal external component count.

DC DC Switching Controllers Feature Summary

• Integrated step-up and step-down DC-DC control functionality
• Optimized for high-frequency operation at 300kHz
• Supports wide duty cycle range up to 92%
• Compact surface-mount package design

DC DC Switching Controllers Applications

• Portable electronic devices requiring buck-boost regulation
• Battery-powered systems with varying voltage levels
• Embedded power management circuits
• Consumer electronics with space constraints

DC DC Switching Controllers Procurement Notes

Verify the exact part number XC9301A273MR-G against official Terox Semiconductor documentation to ensure compatibility with your specific circuit requirements. Confirm that the SOT-25-5 package matches your PCB layout. Check for RoHS compliance status if required by your manufacturing standards. Ensure that the 300kHz switching frequency aligns with your system's electromagnetic interference constraints.

DC DC Switching Controllers Selection Notes

Select this component when a buck-boost topology is necessary to handle input voltages that may rise above or fall below the output requirement. The 300kHz frequency offers a balance between size and efficiency. Consider the 92% duty cycle limit when designing for minimum input voltage scenarios. The SOT-25-5 package is suitable for automated assembly processes.

DC DC Switching Controllers Part Context

This controller belongs to the XC9301 series from Torex Semiconductor, which focuses on efficient power management solutions. The series includes various variants with different switching frequencies and pinouts. The XC9301A273MR-G specifically targets applications needing versatile voltage conversion capabilities in a small footprint, distinguishing it from fixed-ratio converters.

DC DC Switching Controllers Replacement Considerations

Direct substitutes within the same family include XC9301A473MR-G and XC9301A263MR-G, which share similar functionalities but may differ in specific electrical characteristics or packaging details. Verify pin-to-pin compatibility and parameter alignment before substitution.