XC9302A302MR-G

DC DC Switching Controllers Overview

The XC9302A302MR-G is a positive output step-up and step-down DC-DC controller IC manufactured by Torex Semiconductor Ltd. It operates at a fixed switching frequency of 180 kHz and utilizes PWM-based control for efficient voltage regulation. The device supports buck-boost functionality, allowing it to manage input voltages that are either higher or lower than the desired output level. Designed for surface-mount applications, it is housed in an SOT-753 (SC-74A) package with five pins. The operational temperature range extends from -40°C to +85°C, ensuring reliability across various industrial and commercial environments.

DC DC Switching Controllers Feature Summary

• Implements PWM-based buck-boost regulation for stable positive output voltage control
• Operates at a fixed 180 kHz switching frequency for consistent performance
• Supports wide input voltage variations relative to the target output level

DC DC Switching Controllers Applications

• Battery-powered portable electronic devices requiring extended runtime
• Systems where input voltage fluctuates above and below the required output level
• Industrial control modules operating within specified temperature ranges

DC DC Switching Controllers Procurement Notes

Verify the complete part number including the suffix MR-G to ensure correct packaging and lead-free compliance. Confirm the specific output voltage variant matches the design requirements, as the XC9302 series includes multiple fixed voltage options. Cross-reference the datasheet for thermal management guidelines associated with the SOT-753 package. Ensure compatibility with external components such as inductors and capacitors as specified in the official application circuits.

DC DC Switching Controllers Selection Notes

Select this component when a single controller must handle both buck and boost operations without requiring complex feedback loop adjustments. The fixed 180 kHz frequency simplifies electromagnetic interference filtering compared to variable frequency alternatives. Consider the SOT-753 package size constraints against available board space. Evaluate the -40°C to +85°C operating range against the environmental conditions of the final assembly to ensure long-term stability.

DC DC Switching Controllers Part Context

This controller belongs to the XC9302 series of DC-DC converters from Torex Semiconductor. The series offers various fixed output voltage options tailored for different power supply needs. The XC9302A302MR-G specifically denotes the 180 kHz frequency variant with the MR-G suffix indicating reel packaging and lead-free status. It is part of a broader portfolio designed for compact, high-efficiency power management solutions.

DC DC Switching Controllers Replacement Considerations

Direct substitutes within the same family include other XC9302 variants with different fixed output voltages but identical control architecture. Verify pinout compatibility and thermal characteristics when considering alternative packages. Check for updated revisions or enhanced efficiency models released by Torex Semiconductor before finalizing any substitution.