XC9265B25B4R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9265B25B4R-G is a synchronous step-down PFM DC/DC converter from Torex Semiconductor. It operates with an input voltage range of 2 V to 6 V and provides a fixed output voltage of 2.5 V. The device supports a maximum output current of 50 mA. Key electrical parameters include a typical quiescent current of 500 nA and a switching frequency of 1.2 MHz. It functions within a temperature range of -40°C to +85°C and utilizes a compact 6-USPEL (1.8x2 mm) package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Ultra-low power consumption with minimal quiescent current for extended battery life
• Synchronous rectification architecture ensures high conversion efficiency
• Fixed-frequency Pulse Frequency Modulation (PFM) operation stabilizes performance
• Compact footprint design suitable for space-constrained mobile applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered consumer electronics and gadgets
• Mobile communication equipment and handheld terminals
• IoT sensors and low-power embedded systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix B4 against official Torex documentation to confirm the exact package type and tape/reel specifications. Ensure compatibility with your PCB layout regarding the exposed pad thermal requirements. Cross-reference the full part number with authorized distributors to avoid counterfeit components and confirm current availability status before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.5 V output is required from a 2-6 V source. Consider the 50 mA current limit for load requirements. Evaluate the 6-USPEL package for spatial constraints. Compare quiescent current specs against system sleep mode requirements. Verify thermal dissipation capabilities within the intended operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9265 series, designed for ultra-low power applications. The series features synchronous buck converters optimized for portable devices. Variants differ by output voltage and package style. The XC9265B25B4R-G specifically targets applications needing stable 2.5 V regulation in small form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for XC9265B25xxR-G variants with different packages. Verify functional equivalence with other Torex synchronous buck regulators. Confirm pinout compatibility if substituting within the same family.