XC9141B49DMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9141B49DMR-G is a synchronous step-up DC/DC converter from the Torex Semiconductor XC9141 series. It operates with an input voltage range of 650 mV to 6 V and provides a fixed output voltage of 4.9 V. The device supports an output current of up to 800 mA and features a switching frequency of 3 MHz. It is housed in a compact SOT-25-5 package and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification for high conversion efficiency
• Integrated shutdown function for power management
• Low minimum operating input voltage capability

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Single-cell lithium-ion battery voltage boosting
• General-purpose step-up power supply circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DMR against official Torex documentation to confirm the exact tape-and-reel packaging configuration and quantity per reel. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and authenticity before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 4.9 V output is required from low-voltage sources. The 3 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Verify that the load current does not exceed the 800 mA limit and that the input voltage remains within the specified operational range for stable regulation.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the XC9141 family of synchronous step-up converters designed for space-constrained applications. The series is characterized by high efficiency and low quiescent current, making it suitable for extending battery life in portable equipment. The B-series designation typically indicates specific output voltage options within the broader product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for XC9141B49CMR-G or XC9141B49DER-G if different packaging formats are needed. Other XC9141 variants with similar output voltages may serve as functional substitutes if pin compatibility and electrical specifications align.