XC9285A1ACMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9285A1ACMR-G is a synchronous buck converter from the HiSAT-COT series by Torex Semiconductor. It operates with a fixed output voltage of 1.05 V and supports an input voltage range from 2.5 V to 5.5 V. The device delivers a maximum output current of 1 A with a switching frequency of 1.2 MHz. Quiescent current is specified at 15 uA. It functions within an operating temperature range of -40°C to +105°C. The component utilizes PWM control and features a shutdown function, packaged in a compact SOT-25-5 format.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification technology for high efficiency
• Utilizes HiSAT-COT architecture for stable operation without external compensation
• Includes built-in protection mechanisms against overcurrent and thermal overload

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing low quiescent current
• Embedded circuits utilizing 1.05 V logic levels

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'G' indicates RoHS compliance and halogen-free status as per manufacturer standards. Confirm the package marking matches the SOT-25-5 physical dimensions. Ensure the ordering code aligns exactly with the required 1.05 V fixed output variant. Cross-reference the datasheet revision date to ensure compatibility with current design specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a fixed 1.05 V output is required from a 2.5 V to 5.5 V input source. The 1 A current capability suits moderate load applications. Consider the 1.2 MHz frequency for balancing component size and efficiency. Verify that the SOT-25-5 footprint fits the PCB layout constraints compared to larger packages.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the XC9285 series of synchronous step-down DC/DC converters. The series is characterized by high integration and small footprint solutions. The XC9285A1ACMR-G specifically denotes the 1.05 V output version within the A-series lineup, designed for portable applications requiring reliable voltage regulation.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

XC9285B1ACMR-G offers identical electrical performance with potential minor manufacturing lot variations. Other variants in the XC9285 family share the same package but differ in fixed output voltages.