XC9288B26CER-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9288B26CER-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 2.6 V at up to 1.5 A. The device features a switching frequency of 1.2 MHz and ultra-low quiescent current of 15 uA. 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 temperatures from -40°C to +105°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• HiSAT-COT topology enables stable operation with small external ceramic capacitors without requiring phase compensation.
• Integrated synchronous rectification improves conversion efficiency compared to standard diode-based solutions.
• Auto PWM/PFM control mode dynamically switches between operating modes to maintain high efficiency under light loads.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management from single-cell lithium batteries
• Embedded systems utilizing 3.7V nominal battery sources
• Low-power consumer electronics needing compact DC-DC regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific output voltage setting (2.6 V) against design requirements, as this parameter is fixed per part number. Confirm package compatibility with the USP-C-EP-6 footprint during PCB layout. Check RoHS compliance status through official manufacturer documentation before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.6 V output is required within a 2.5 V to 5.5 V input range. The 1.5 A current capability suits moderate load applications. Consider the 1.2 MHz frequency for balancing component size and efficiency. Ensure thermal management aligns with the USP-C-EP-6 package characteristics for the intended operating environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9288 series of synchronous step-down converters. The 'B' suffix typically denotes specific output voltage codes within the family. It shares common architectural features with other XC9288 variants but differs in fixed output settings. The series emphasizes miniaturization and high efficiency for battery-powered portable equipment.

Voltage Regulators - DC DC Switching Regulators FAQ

Is the output voltage adjustable?

No, the XC9288B26CER-G provides a fixed output voltage of 2.6 V. Adjustable versions require different part numbers or external resistor networks if supported by the specific variant.

What type of control mode does the IC use?

The device employs an auto-switching PWM/PFM control mode. It operates in PWM mode under heavy loads for stability and switches to PFM mode under light loads to improve efficiency.