XC9287A2DCPR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9287A2DCPR-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 2.35 V at up to 1.5 A. The device utilizes PWM control with a switching frequency of 1.2 MHz. Key electrical characteristics include a quiescent current of 15 uA and a shutdown feature. It functions within a temperature range of -40°C to +105°C and is housed in an SOT-89-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• HiSAT-COT technology enables stable operation without requiring external compensation components for phase margin stability.
• Integrated synchronous rectification improves conversion efficiency across various load conditions.
• Built-in shutdown function allows for effective power management and extended battery life in portable applications.

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DCPR against the manufacturer's official datasheet to confirm the fixed output voltage and package type. Ensure compatibility with your PCB footprint, as the SOT-89-5 package requires precise soldering. Confirm RoHS compliance status through the supplier's documentation before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.35 V output is required from a 2.5 V to 5.5 V input source. It is suitable for designs prioritizing high efficiency via synchronous rectification and minimal external component count due to HiSAT-COT architecture. Consider the 1.5 A current limit and thermal performance in the SOT-89-5 package for your specific power budget.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9287 series of HiSAT-COT synchronous buck converters. The series offers various fixed output voltages and packaging options, including USP-C-EP-6 and SOT-89-5. These regulators are designed for space-constrained applications requiring high efficiency and low quiescent current from single-cell battery sources.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Other XC9287 variants with different output voltage suffixes (e.g., XC9287A2CCPR-G for 2.25 V) share identical pinouts and functionality but provide different fixed outputs. Verify that the alternative part number matches the required system voltage before substitution.