XC9141D40DMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9141D40DMR-G is a synchronous step-up DC/DC converter manufactured by Torex Semiconductor. It operates within an input voltage range of 650 mV to 6 V and provides a fixed output voltage of 4.0 V. The device supports a maximum output current of 800 mA and features a switching frequency of 3 MHz. It includes a shutdown function and operates across a temperature range of -40°C to +85°C. The component is housed in an SOT-25-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification for improved efficiency
• Integrated shutdown control pin
• Low minimum input voltage operation

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronics
• Single-cell lithium-ion battery boost applications
• General purpose power management in compact devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DMR' against the official Torex datasheet to confirm the exact output voltage tolerance, switching frequency, and packaging configuration. Ensure the ordering code matches the required thermal and electrical specifications for the target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.0 V output is required from a single-cell lithium source. Consider the 3 MHz switching frequency for smaller external passive components compared to lower-frequency alternatives. Verify that the 800 mA output capability meets the peak load requirements of the downstream circuitry.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9141 series of high-efficiency step-up converters. The series is characterized by low quiescent current and small footprint options, designed for space-constrained mobile and wearable applications requiring reliable power conversion from low-voltage sources.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with other XC9141 variants such as XC9141B or XC9141A series parts for alternative switching frequencies or output voltages. Confirm package compatibility and electrical parameter alignment before substitution.