XC9141E55D0R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9141E55D0R-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 5.5V. The device supports a maximum output current of 800mA and utilizes a 1.2MHz switching frequency. It features a compact SOT-25-5 package, operates within a temperature range of -40°C to +85°C, and includes a shutdown function for power management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for high conversion efficiency
• Integrated load disconnection function to minimize standby current
• Capable of operating from ultra-low input voltages starting at 0.65V

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices requiring efficient voltage boosting
• Systems utilizing single-cell lithium-ion or alkaline batteries
• Low-voltage sensor interfaces needing stable regulated supply rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix D0R-G against the official Torex datasheet to confirm the exact output voltage and packaging configuration. Ensure compatibility with the target PCB footprint for the SOT-25-5 package. Cross-reference the manufacturer part number directly with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if required by your assembly specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5.5V output is required from low-voltage sources up to 6V. The 800mA current capability suits moderate load applications. Consider the 1.2MHz frequency for balancing component size and efficiency. Verify that the external inductor and capacitor values meet the stability requirements specified in the electrical characteristics table of the datasheet.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9141 series of synchronous step-up converters. The series is characterized by high efficiency and low quiescent current. Variants within the series differ primarily by output voltage settings and package types. The E55 designation indicates the specific 5.5V fixed output version within this product family.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the minimum input voltage required for operation?

The device can operate with an input voltage as low as 0.65V.

Does the XC9141E55D0R-G include overcurrent protection?

Yes, the datasheet specifies integrated protection functions including overcurrent protection for the internal switch.