XC9121D091MR-G

DC DC Switching Controllers Overview

The XC9121D091MR-G is a step-up DC-DC controller IC manufactured by Torex Semiconductor. It operates within an input voltage range of 900 mV to 6 V and provides an adjustable output voltage from 1.5 V to 30 V. The device supports a maximum output current of 80 mA with a fixed switching frequency of 100 kHz. Key electrical characteristics include a quiescent current of 13 uA and an operating supply current of 25 uA. It features a maximum duty cycle of 93% and lacks a shutdown function. The component is housed in an SOT-25-5 package and functions reliably across a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Boost topology for efficient voltage step-up conversion
• Low static current consumption for power efficiency
• Fixed 100 kHz switching frequency operation
• Wide input voltage range capability

DC DC Switching Controllers Applications

• Battery-powered portable electronics
• General purpose DC-DC conversion systems
• Embedded power management circuits

DC DC Switching Controllers Procurement Notes

Verify the specific part number XC9121D091MR-G against official Torex Semiconductor documentation to confirm pinout, electrical limits, and RoHS compliance status. Ensure that the required output voltage configuration matches the external resistor network specifications defined in the datasheet. Confirm that the application environment remains within the specified -40°C to +85°C operating temperature range to guarantee long-term reliability and performance stability.

DC DC Switching Controllers Selection Notes

Select this component when a boost converter is required with an input voltage up to 6 V and an output current capacity of 80 mA. The fixed 100 kHz frequency simplifies external component selection compared to variable frequency alternatives. Consider the absence of a shutdown feature if power-down control is necessary for the system design. The SOT-25-5 package offers a compact solution for space-constrained applications requiring efficient step-up regulation.

DC DC Switching Controllers Part Context

This device belongs to the XC9121 series of switching voltage regulators from Torex Semiconductor. It is categorized under PMIC - Power Management ICs as a Step Up DC/DC Controller. The series focuses on providing efficient power conversion solutions for portable devices. The XC9121D091MR-G specifically utilizes the SOT-25-5 package format, distinguishing it from other variants in the family that may use different footprints or have distinct electrical parameters.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.