MP8125EF-LF-P

Overview

The MP8125EF-LF-P is a switching voltage regulator designed for LNB power supply applications. It features an input voltage range of 8 V to 14 V and delivers an output current of 550 mA. The device operates with a fixed switching frequency of 440 kHz and supports a maximum output voltage of 40 V. It is housed in a 16-TSSOP-EP package and functions within a temperature range of -40°C to +125°C.

Feature Summary

• Integrated control voltage regulation for Low Noise Block downconverter (LNB) systems
• Supports DiSEqC 2.x protocol functionality for satellite communication control
• Includes shutdown capability for power management optimization

Applications

• Satellite receiver LNB power regulation
• DiSEqC controlled switching systems
• Satellite television signal distribution networks

Procurement Notes

Verify the component status as Not Recommended for New Designs (NRND). Confirm that the replacement part number MP8124 is suitable for your specific application requirements before procurement. Ensure compatibility with existing circuit designs when substituting this obsolete component.

Selection Notes

Select this component for legacy satellite equipment maintenance where the original design specified the MP8125 series. Evaluate the MP8124GD-P as a direct functional substitute if new production is required. Verify package pinout compatibility between the TSSOP-EP and QFN-14 variants during integration planning.

Part Context

This IC belongs to the Monolithic Power Systems PMIC portfolio, specifically categorized under special purpose regulators. It addresses the niche requirement of powering and controlling LNB units in satellite reception infrastructure, providing stable voltage conversion from standard DC inputs.

Replacement Considerations

The MP8124GD-P is identified as the recommended replacement for this NRND component. Verify electrical parameter alignment and physical footprint differences between the 16-TSSOP-EP and QFN-14 packages before implementation.