XC9142C45DMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142C45DMR-G is a synchronous step-up DC/DC converter manufactured by Torex Semiconductor. It operates with an input voltage range of 0.65V to 6V and provides a fixed output voltage of 4.5V. The device supports a maximum output current of 0.8A and features a switching frequency of 3MHz. It includes a built-in P-channel MOSFET for high efficiency and offers low quiescent current. The component is housed in a compact SOT-25-5 package suitable for surface mount applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture utilizing internal P-channel MOSFETs for enhanced conversion efficiency.
• Integrated load disconnection function that minimizes standby power consumption when the device is inactive.
• Capable of operating from very low input voltages starting at 0.65V, enabling use with single-cell batteries.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management from single lithium-ion cells
• Battery-powered instrumentation and sensors needing stable voltage regulation
• Mobile communication equipment utilizing low-voltage power sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DMR-G against the official Torex Semiconductor datasheet to confirm the package type and tape/reel specifications. Ensure compatibility with your PCB footprint for the SOT-25-5 form factor. Cross-reference the fixed output voltage setting to match system requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.5V output is required from inputs as low as 0.65V. The 3MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the 0.8A current limit for load demands and verify thermal performance within the specified -40°C to +85°C operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9142 series of synchronous step-up converters designed for green operation. The series emphasizes high efficiency and low power consumption through advanced control techniques. The XC9142C45DMR-G specifically targets applications requiring reliable voltage boosting from low-voltage sources in compact form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for XC9142C45D0R-G or other XC9142 variants with identical output voltage settings. Verify pinout compatibility and package dimensions before substitution. Confirm that alternative parts support the same 0.8A output current and 3MHz switching frequency requirements.