XC9265A321MR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9265A321MR-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 3.2 V. The device supports a maximum output current of 200 mA and features a typical static current of 500 nA. It utilizes a SOT-25-5 surface-mount package and functions reliably across an operating temperature range from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates built-in Pch driver and Nch synchronous switching transistors for high efficiency
• Utilizes PFM control architecture to minimize quiescent current consumption
• Designed for compatibility with external ceramic capacitors only

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices requiring extended operational life
• Low-power embedded systems utilizing single-cell lithium-ion or alkaline batteries
• Space-constrained circuit designs necessitating compact SOT-25-5 packaging

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Torex documentation to confirm the exact fixed output voltage, as alphanumeric codes define voltage settings. Ensure component authenticity through authorized distribution channels. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration into manufacturing processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.2 V output is required from a 2 V to 6 V source. The 200 mA output capability suits moderate load applications. The synchronous rectification design offers superior efficiency compared to non-synchronous alternatives at similar current levels, making it suitable for energy-sensitive deployments.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9265 series of ultra-low power synchronous step-down converters. The series is characterized by low standby current and high efficiency, targeting battery-operated equipment. The 'A' designation typically indicates the 200 mA output current class within the family structure.

Voltage Regulators - DC DC Switching Regulators FAQ

Does the XC9265A321MR-G include a shutdown function?

No, this specific variant does not feature a shutdown pin; all internal circuits remain active during operation.

What type of external capacitors are recommended for this converter?

The device is designed to operate using only ceramic capacitors for both input and output filtering.