XC9289A22D1R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9289A22D1R-G is a HiSAT-COT synchronous buck converter manufactured by Torex Semiconductor. It operates with an input voltage range of 2.5V to 5.5V and provides a fixed output voltage of 2.2V at up to 1.5A. The device features a switching frequency of 3MHz and a typical quiescent current of 15µA. It is housed in an LGA-8B01-8 package and supports an operating temperature range from -40°C to +105°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates HiSAT-COT control technology for stable operation without external compensation components
• Features built-in N-channel high-side and low-side driver FETs for high efficiency
• Includes protection functions against overcurrent, thermal shutdown, and undervoltage lockout

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered equipment utilizing single-cell lithium-ion or lithium-polymer sources
• Embedded systems within consumer electronics and industrial instrumentation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix D1R-G against official datasheets to confirm the 2.2V output voltage and 3MHz switching frequency. Ensure compatibility with the LGA-8B01-8 package dimensions during PCB layout. Confirm RoHS compliance status through manufacturer documentation before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.2V output is required from a 2.5V to 5.5V input source. The 3MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the load current does not exceed 1.5A and that the ambient temperature remains within the specified -40°C to +105°C operational range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9289 series of HiSAT-COT synchronous step-down DC/DC converters. The series is characterized by high integration, eliminating the need for external oscillators or compensation networks. It serves as a compact power solution for space-constrained applications requiring stable regulation and high efficiency.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for compatible parts within the XC9289 family. Verify pinout compatibility and electrical parameter alignment, particularly output voltage and switching frequency, before replacing the component.