XC9289A2KD1R-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9289A2KD1R-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 2.75 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 functions within a temperature range of -40°C to +105°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• HiSAT-COT control architecture for stable operation without external compensation components
• Synchronous rectification design for high efficiency across load ranges
• Integrated protection mechanisms including overcurrent and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing low standby current
• Embedded circuits utilizing single-cell lithium-ion or lithium-polymer batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix KD1R against the official Torex datasheet to confirm the fixed 2.75V output and 3MHz frequency. Ensure the LGA-8B01-8 package footprint matches your PCB layout requirements. Confirm RoHS compliance status through the manufacturer's documentation before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.75V 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. Consider the 15uA quiescent current for battery life optimization in sleep modes. Verify that the 1.5A continuous current capability meets the peak load demands of the target application circuit.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9289 series, which utilizes HiSAT-COT technology to simplify design and improve transient response. The series offers various fixed output voltages and switching frequencies to suit different power density requirements. The LGA-8B01-8 package provides a compact solution for space-constrained portable electronics applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for XC9289B2KD1R-G if a B-series variant is acceptable. Verify XC9289A2KE1R-G for potential pin-compatible alternatives with similar electrical characteristics. Always cross-reference the latest datasheets to ensure functional equivalence.