XC9265A171MR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9265A171MR-G is an ultra-low power synchronous step-down PFM DC/DC converter manufactured by Torex Semiconductor. It operates within an input voltage range of 2 V to 6 V and provides a fixed output voltage of 1.7 V. The device supports a maximum output current of 200 mA with a typical quiescent current of 500 nA. It utilizes a SOT-25-5 package for surface mount installation and functions reliably across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates low-resistance Pch driver and Nch synchronous switching transistors to minimize conduction losses.
• Employs PFM control architecture to maintain high efficiency at light loads and extend battery life.
• Designed for direct compatibility with ceramic capacitors, reducing external component count.

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices requiring extended operational time
• Low-power embedded systems utilizing single-cell lithium-ion or lithium-polymer batteries
• Consumer electronics where minimal standby current consumption is critical

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics match design requirements. Ensure ordering documentation references the correct manufacturer part number to avoid substitution errors. Confirm RoHS compliance status through certified supplier declarations prior to integration into final assemblies.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.7 V output is required from a 2 V to 6 V source. It is suitable for designs prioritizing low quiescent current over adjustable voltage flexibility. Consider the SOT-25-5 package constraints for PCB layout and thermal management in compact form factors.

Voltage Regulators - DC DC Switching Regulators Part Context

This unit belongs to the XC9265 series of ultra-low power synchronous rectification type PFM step-down DC/DC converters. The series is engineered for applications demanding high efficiency and long battery life, featuring built-in drivers that allow the use of small ceramic capacitors for filtering.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic equivalents may differ in quiescent current, package dimensions, or internal resistance specifications.