XC9265D401MR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9265D401MR-G is a synchronous step-down DC/DC converter from the Torex XC9265 series. It provides a fixed output voltage of 4.0V with a maximum output current of 50mA. The device operates within an input voltage range of 2V to 6V and features ultra-low power consumption, including a typical quiescent current of 500nA and operating current of 800nA. It utilizes Pulse Frequency Modulation (PFM) for high efficiency at light loads. The component is housed in a compact SOT-25 package and supports operation across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Ultra-low power consumption with minimal quiescent and operating currents
• Synchronous rectification topology for improved conversion efficiency
• Fixed output voltage configuration eliminating external resistor adjustments
• Compact surface-mount packaging suitable for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices requiring efficient power management
• Low-power sensor nodes and IoT modules
• Microcontroller system power supplies
• Consumer electronics with strict size limitations

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific output voltage and package type against the official datasheet before procurement. Confirm that the fixed 4.0V output aligns with the target circuit requirements. Ensure compatibility with the SOT-25 footprint during PCB layout. Check for RoHS compliance status if environmental regulations apply to the final assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.0V output is required from a 2V to 6V input source. It is suitable for applications needing up to 50mA load current with minimal standby power drain. Consider the SOT-25 package constraints for board space. Evaluate thermal performance if operating near the upper temperature limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9265 series of ultra-low power PFM DC/DC converters manufactured by Torex Semiconductor. The series offers various fixed output voltages and packages to support diverse low-power application needs. The 'D' suffix typically indicates a specific output voltage variant within the family.

Voltage Regulators - DC DC Switching Regulators FAQ

What modulation technique does the XC9265D401MR-G use?

It uses Pulse Frequency Modulation (PFM) to maintain high efficiency under light load conditions.

Is the output voltage adjustable?

No, the output voltage is fixed at 4.0V and cannot be adjusted via external resistors.