NCP1526MUTXG

Overview

The NCP1526MUTXG is a high-efficiency DC-DC step-down converter manufactured by onsemi. It integrates a 400 mA output stage with a low-noise linear regulator, optimized for RF module power requirements. The device operates with an input voltage range up to 5.5 V and provides a fixed 1.2 V output. It features a switching frequency of 1.2 MHz and is housed in a compact 16-pin UQFN package.

Feature Summary

• Integrates a high-efficiency buck converter with a dedicated low-noise LDO for sensitive RF loads
• Optimized specifically for powering RF modules requiring clean power supplies
• Includes internal compensation and protection features for simplified design

Applications

• RF module power supply
• Wireless communication devices
• Mobile phone baseband circuits

Procurement Notes

Verify component authenticity through authorized channels as the part may be discontinued or subject to obsolescence notices. Confirm package integrity and pin alignment against the official datasheet specifications before integration into production assemblies.

Selection Notes

Select this component when designing power systems for RF applications that require both high efficiency and low noise performance. Ensure the input voltage does not exceed maximum ratings and verify thermal dissipation capabilities within the 16-UQFN package constraints for the target operating environment.

Part Context

This part belongs to the NCP1526 series of integrated power management solutions. It combines switching regulation with linear regulation to address the dual needs of efficiency and signal purity in portable electronic devices. The manufacturer specializes in automotive and industrial semiconductor solutions.

Replacement Considerations

NCP1526 is the base part number. Verify compatibility with alternative RF power ICs if sourcing issues arise, ensuring equivalent current ratings and noise specifications are maintained.