XC9302A313MR-G

DC DC Switching Controllers Overview

The XC9302A313MR-G is a step-up and step-down DC-DC switching controller IC from the XC9302 series by Torex Semiconductor. It operates with a fixed switching frequency of 300kHz and supports an input voltage range of 2V to 10V. The device features a maximum duty cycle of 92% and provides a single positive output configuration. It utilizes PWM control and lacks synchronous rectification or clock synchronization capabilities. The component is designed for surface mount installation in SOT-25-5 packages and functions within an operating temperature range of -40°C to 85°C.

DC DC Switching Controllers Feature Summary

• Integrated step-up and step-down DC-DC conversion topology for flexible voltage regulation
• Fixed 300kHz switching frequency operation for consistent performance
• Wide input voltage support ranging from 2V to 10V
• Built-in enable control feature for power management

DC DC Switching Controllers Applications

• Battery-powered portable electronic devices requiring voltage boosting or bucking
• Systems utilizing lithium-ion or lithium-polymer battery sources
• Embedded applications needing stable positive output from varying input levels

DC DC Switching Controllers Procurement Notes

Verify the complete part number including suffixes against official Torex documentation to ensure correct output voltage settings and package type. Confirm that the SOT-25-5 footprint matches your PCB design requirements. Check for RoHS compliance status if required by your manufacturing standards. Ensure supply chain sources provide genuine components with traceable origin to avoid counterfeit risks.

DC DC Switching Controllers Selection Notes

Select this controller when a non-synchronous, fixed-frequency solution is sufficient for the application. Consider the 300kHz frequency trade-off between component size and efficiency. Verify that the external inductor and capacitor selections align with the 92% maximum duty cycle limitation. Ensure the input voltage remains within the specified 2V to 10V range during all operational conditions.

DC DC Switching Controllers Part Context

This component belongs to the XC9302 series of PWM/PFM switching step-up and down DC/DC converter controllers. It shares architectural similarities with other variants in the series but differs in specific electrical parameters such as switching frequency and output configuration. The series is designed for compact power management solutions in space-constrained electronics.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include other XC9302 series variants with compatible pinouts and similar electrical characteristics. Verify equivalent switching frequencies and input voltage ranges before substitution. Cross-reference datasheets to confirm identical package dimensions and thermal properties.