MP8126DF-LF-Z

Overview

The MP8126DF-LF-Z is a specialized LNB converter regulator IC manufactured by Monolithic Power Systems. Designed for satellite receiver applications, it provides a single regulated output with selectable voltage levels of 13V, 14V, 18V, or 19V to support standard LNB operations. The device operates from an input voltage range of 8V to 14V and is housed in a compact 24-QFN (4x4) surface-mount package. It supports a wide operating temperature range from -40°C to +125°C, ensuring reliability in demanding environments.

Feature Summary

• Provides selectable DC output voltages (13V, 14V, 18V, 19V) for LNB power supply
• Operates within an 8V to 14V input voltage range
• Housed in a compact 24-QFN surface-mount package

Applications

• Satellite TV receivers
• LNB power supply modules
• Set-top boxes

Procurement Notes

Verify component authenticity through authorized MPS distributors. Confirm the specific suffix matches the required output voltage configuration. Check current lifecycle status as this part may be restricted for new designs. Ensure ESD protection protocols are followed during handling due to moisture sensitivity classification.

Selection Notes

Select this IC when a dedicated LNB regulator is required for satellite signal processing chains. Compare against alternative regulators based on input voltage compatibility and thermal performance requirements. Verify that the 24-QFN footprint aligns with existing PCB layout constraints and manufacturing capabilities.

Part Context

This component belongs to the MP8126 series of special-purpose regulators optimized for low-noise analog applications. It complements other PMIC offerings by addressing specific interface requirements for RF front-end components in consumer electronics and telecommunications infrastructure.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.