XC9121B091ER-G

DC DC Switching Controllers Overview

The XC9121B091ER-G is a step-up DC/DC controller IC from Torex Semiconductor, utilizing a boost topology. It operates with an input voltage range of 900 mV to 6 V and provides a fixed output voltage of 3.3 V. The device supports a maximum output current of 80 mA and features a switching frequency of 100 kHz. Key electrical parameters include a maximum duty cycle of 93%, a typical static current of 13 µA, and a working power supply current of 25 µA. It functions within a temperature range of -40°C to +85°C and is housed in a USP-C-EP-6 package.

DC DC Switching Controllers Feature Summary

• Boost topology for efficient voltage step-up applications
• Low quiescent current design for battery-powered systems
• Fixed 3.3 V output configuration
• Compact surface-mount packaging

DC DC Switching Controllers Applications

• Battery-powered portable electronics
• Low-power sensor nodes
• Energy-efficient consumer devices

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'ER-G' against the official Torex datasheet to confirm the exact output voltage and package variant. Ensure compatibility with the required input voltage range and thermal management specifications for the target application environment before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this component when a fixed 3.3 V output is required from a low-voltage source between 0.9 V and 6 V. Consider the 100 kHz switching frequency and 80 mA current limit relative to load requirements. Evaluate the USP-C-EP-6 package constraints for PCB layout and thermal dissipation needs.

DC DC Switching Controllers Part Context

This part belongs to the XC9121 series of step-up DC/DC controllers from Torex Semiconductor. The series is designed for power management in energy-efficient applications, offering various fixed output voltages and packaging options to suit different system integration requirements.

DC DC Switching Controllers Replacement Considerations

Consult the XC9121 series datasheet for alternative part numbers with matching output voltages or different package styles. Verify pinout compatibility and electrical parameter equivalence before substitution.