XC9142B47DMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142B47DMR-G is a synchronous step-up DC/DC converter from the XC9142 series by Torex Semiconductor. It operates with an input voltage range of 0.65V to 6V and provides a fixed output voltage of 4.7V. The device supports a maximum output current of 800mA and features a switching frequency of 3MHz. It incorporates PWM/PFM auto-switching control for optimized efficiency across varying load conditions. The component functions within a temperature range of -40°C to +85°C and utilizes a compact SOT-25-5 surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture ensures high conversion efficiency during step-up operation.
• Auto-switching between Pulse Width Modulation (PWM) and Pulse Frequency Modulation (PFM) modes adapts to load requirements.
• Integrated shutdown function allows for significant reduction in standby power consumption.

Voltage Regulators - DC DC Switching Regulators Applications

• Power supply stages for portable IoT sensor modules
• Voltage boosting for wireless communication transceivers
• Battery-powered medical instrumentation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DMR against official Torex documentation to confirm the SOT-25-5 package configuration. Ensure the ordering code matches the required 4.7V fixed output variant. Cross-reference the RoHS compliance status with the latest manufacturer datasheet before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range starting below 1V is required for single-cell battery applications. The 3MHz switching frequency enables the use of smaller external inductors compared to lower-frequency alternatives. The synchronous design is preferred for maximizing efficiency in space-constrained portable devices.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9142 series, which are 0.8A step-up DC/DC converters designed for low-power applications. The series distinguishes itself through the integration of synchronous rectifiers and flexible control modes, offering superior performance over standard asynchronous boost converters in terms of thermal management and energy conservation.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official XC9142 series datasheet for confirmed substitute part numbers. Verify that any alternative maintains the 0.8A output current capability and compatible pinout configuration.