XC9288B28DER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9288B28DER-G is a HiSAT-COT synchronous buck converter from Torex Semiconductor. It operates with an input voltage range of 2.5V to 5.5V and delivers a fixed output voltage of 2.8V at up to 1.5A. The device features a 3MHz switching frequency and ultra-low quiescent current of 15µA. It utilizes PWM/PFM auto-control for efficiency optimization across load conditions. The component is housed in a USP-C-EP-6 package and supports operation within a temperature range of -40°C to +105°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• HiSAT-COT control architecture enables stable operation with small external components
• Integrated synchronous rectification improves conversion efficiency
• Auto-switching between PWM and PFM modes optimizes light-load performance

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 inputs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DER-G against official Torex documentation to confirm package type and tape/reel specifications. Ensure compatibility with required output voltage tolerance and thermal dissipation requirements for the target application environment before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 2.8V output is required from a 5.5V maximum input source. Consider the 3MHz frequency for smaller passive component sizes. Verify that the 1.5A continuous current rating meets peak load demands without exceeding thermal limits in the chosen enclosure.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9288 series of synchronous step-down DC/DC converters. The series is characterized by high integration, including built-in Nch-Nch driver FETs, designed for compact power solutions in portable electronics. It complements other Torex regulators like the XC9702 and XC9714 series for broader system power needs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check Torex datasheets for alternative XC9288 variants with different output voltages or packages if pinout compatibility is not required. Cross-reference with XC9288A series parts for similar electrical characteristics but verify specific output settings.