XC9141B55DMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9141B55DMR-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 5.5 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 at a quiescent current of 3 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

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

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronics
• Mobile communication devices
• Consumer handheld instruments

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DMR' corresponds to the required 3 MHz switching frequency variant, as other suffixes indicate different frequencies. Confirm the 'G' designation aligns with RoHS compliance requirements. Ensure the SOT-25-5 package dimensions match the target PCB layout constraints before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5.5 V output is required from low-voltage sources. The 3 MHz frequency allows for smaller external passive components compared to lower-frequency variants. Consider the 800 mA output capability against load demands. Verify thermal performance within the specified operating temperature range for the intended application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9141 series of synchronous step-up converters. The series offers various fixed output voltages and switching frequencies. The 'B' indicates the specific output voltage code, while 'D' denotes the 3 MHz switching frequency option. This family targets space-constrained applications requiring efficient power management from single-cell lithium batteries.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

XC9141B55CMR-G (1.2 MHz switching frequency)

Voltage Regulators - DC DC Switching Regulators FAQ

What is the switching frequency of the XC9141B55DMR-G?

The switching frequency is 3 MHz.

Does this component support shutdown mode?

Yes, the device includes a dedicated shutdown function to minimize power consumption.