XC9264A75CMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9264A75CMR-G is a synchronous step-down DC/DC converter from the XC9264 series manufactured by Torex Semiconductor Ltd. It features an adjustable output voltage range of 1V to 15V with a maximum output current of 500mA. The device operates with an input voltage range of 3V to 18V and utilizes a fixed switching frequency of 1.2MHz. It incorporates a shutdown function and maintains a low quiescent current of 12.5µA. The component is housed in a compact SOT-25-5 package and supports surface mount installation across a wide operating temperature range.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for improved conversion efficiency
• Built-in shutdown control pin for power management flexibility
• Fixed high-frequency operation to minimize external component size
• Low standby current consumption for battery-powered applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power regulation
• Battery-operated systems needing extended runtime
• Embedded circuits utilizing single-cell lithium-ion or lithium-polymer batteries
• Industrial control modules with variable input voltage sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors as this part is officially discontinued. Confirm that replacement alternatives meet all electrical specifications, including input/output ranges and thermal performance. Ensure the substitute package matches the original footprint to maintain PCB compatibility. Review manufacturer end-of-life notifications for final purchase deadlines and last-time buy information before proceeding with procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring a compact synchronous buck regulator with adjustable output voltages up to 15V. It is suitable for applications demanding low quiescent current and high efficiency within a small form factor. Consider the 1.2MHz switching frequency for balancing electromagnetic interference and passive component size. Verify that the load requirements do not exceed the 500mA continuous output limit under all operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the XC9264 series of synchronous step-down converters designed for space-constrained portable electronics. The series emphasizes high efficiency and low power consumption. The XC9264A75CMR-G variant specifically offers adjustable output settings within a standard SOT-25-5 package, aligning with industry trends for miniaturized power management solutions in mobile and IoT devices.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Officially documented parameter-equivalent substitutes include IXD3263A75CMR-G and IXD3264B75CMR-G from Zilog. These alternatives are listed as direct replacements due to matching electrical characteristics. Verify pinout compatibility and thermal dissipation requirements when transitioning to these specific part numbers.