XC9289B22D1R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9289B22D1R-G is a synchronous buck converter from the HiSAT-COT series by Torex Semiconductor. It operates with an input voltage range of 2.5 V to 5.5 V and provides a fixed output voltage of 2.2 V at up to 1.5 A. The device features a switching frequency of 3 MHz and a typical quiescent current of 15 uA. 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 architecture for stable operation without external compensation components
• Provides high efficiency through integrated synchronous rectification
• Supports wide input voltage ranges suitable for single-cell lithium battery applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring compact power solutions
• Battery-powered equipment needing efficient step-down regulation
• Embedded systems utilizing single-cell lithium-ion or lithium-polymer batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix D1R against official datasheets to confirm the 3 MHz switching frequency variant, as other suffixes may indicate different frequencies. Ensure the LGA-8B01-8 package footprint matches your PCB design constraints. Confirm RoHS compliance status directly with the manufacturer documentation before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.2 V output is required within a 2.5 V to 5.5 V input window. The 3 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the 1.5 A load current requirement does not exceed thermal limits for the intended enclosure environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9289 family of HiSAT-COT synchronous buck converters. The series is characterized by its ability to maintain stability with low-ESR ceramic capacitors. The B-series designation typically indicates specific internal reference or frequency configurations distinct from the A-series variants.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the switching frequency of the XC9289B22D1R-G?

The XC9289B22D1R-G operates at a fixed switching frequency of 3 MHz.

Does this converter require external compensation components?

No, the HiSAT-COT control scheme eliminates the need for external compensation components.