XC9141E45CMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9141E45CMR-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 4.5 V. The device supports a maximum output current of 800 mA and features a switching frequency of 1.2 MHz. It includes a shutdown function and operates at a quiescent current of 1.5 mA. The component is housed in an SOT-25-5 package and functions reliably across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for high conversion efficiency
• Supports operation from ultra-low input voltages starting at 650 mV
• Includes a dedicated shutdown pin for power management

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Low-voltage sensor node power supplies
• General-purpose step-up power regulation circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'E' against the official Torex datasheet to confirm the exact output voltage and package variant, as suffixes define electrical characteristics. Ensure compatibility with the required input voltage range and load current specifications before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.5 V output is required from low-voltage sources such as single-cell batteries. The 1.2 MHz switching frequency allows for the use of compact external inductors compared to lower-frequency alternatives. Verify that the 800 mA output capability meets the peak load requirements of the target application circuit.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9141 series of 0.8 A step-up DC/DC converters. The series is characterized by its ability to operate from very low input voltages and its integration of synchronous rectification technology. The XC9141 family offers various output voltage options defined by alphanumeric suffixes, all sharing similar core performance metrics and packaging.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the Torex XC9141 series datasheet for alternative part numbers offering different fixed output voltages or switching frequencies. Cross-reference with other synchronous boost converters if higher current capacity or different package types are required.