XC9288A21DER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9288A21DER-G is a synchronous buck converter from the XC9288 series by Torex Semiconductor. It features HiSAT-COT control for stable operation with low-ESR ceramic capacitors. The device supports an input voltage range of 2.5V to 5.5V and provides a fixed output voltage of 2.1V at up to 1.5A. It operates with a switching frequency of 3MHz and includes PWM/PFM auto-control for efficiency optimization. Quiescent current is 15µA, and it functions within a temperature range of -40°C to +105°C in a USP-C-EP-6 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• HiSAT-COT control architecture enables stable operation using only low-ESR ceramic output capacitors without requiring phase compensation adjustments.
• Integrated PWM/PFM auto-control automatically switches between pulse-width modulation and pulse-frequency modulation based on load conditions to maximize efficiency across varying loads.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered equipment needing extended operational time
• Embedded systems utilizing low-voltage logic circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DER-G against the official datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with required input/output voltage levels before integration. Confirm RoHS compliance status through manufacturer documentation. Check for regional distribution restrictions or availability limitations via authorized channels prior to ordering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.1V output is required from a 2.5V to 5.5V input source. The 3MHz switching frequency allows for smaller external inductors compared to lower-frequency alternatives. Verify that the load current does not exceed 1.5A and that the application benefits from the automatic light-load efficiency improvement provided by the PFM mode.

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 efficiency, small footprint, and integrated driver FETs. It is designed for applications demanding compact power solutions with minimal external component count.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official XC9288 series datasheet for pin-compatible alternatives with different fixed output voltages. Substitutes must match the USP-C-EP-6 package and electrical characteristics if direct replacement is intended.

Voltage Regulators - DC DC Switching Regulators FAQ

What control method does the XC9288A21DER-G use?

It utilizes HiSAT-COT (High Speed Automatic Transition Constant On-Time) control technology.

Is the output voltage adjustable?

No, the XC9288A21DER-G provides a fixed output voltage of 2.1V.