MP8619EQJ-LF-P

Voltage Regulators - DC DC Switching Regulators Overview

The MP8619EQJ-LF-P is a synchronous step-down converter from Monolithic Power Systems. It operates with an input voltage range of 4.5 V to 25 V and delivers up to 8 A of output current. The device supports adjustable output voltages between 800 mV and 15 V. It functions at a fixed switching frequency of 600 kHz. The component includes internal soft-start, overcurrent protection, and thermal shutdown features. It is housed in a QFN-30 package suitable for surface mount applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side and low-side power MOSFETs for efficient synchronous rectification
• Built-in cycle-by-cycle current limit and thermal shutdown protection
• Fixed 600 kHz switching frequency reduces external component size
• Internal soft-start limits inrush current during startup

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power supply stages for consumer electronics
• Battery-powered devices requiring efficient voltage conversion
• Communication infrastructure power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix LF-P against official manufacturer documentation to confirm packaging configuration. Ensure compatibility with RoHS directives if required by your application standards. Cross-reference the full part number with authorized distributors to confirm current availability status and lead times. Confirm that the QFN-30 footprint matches your PCB layout requirements before ordering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an 8 A output current capability is required within a 25 V input window. The 600 kHz frequency offers a balance between efficiency and passive component size. Consider the QFN-30 package for thermal performance and board space constraints. Verify that the minimum output voltage requirement exceeds 800 mV to ensure stable operation within the specified regulation range.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the MP8619 series of synchronous buck converters designed by Monolithic Power Systems. The series targets applications needing high efficiency and compact solutions. The EQJ variant specifies the electrical characteristics and temperature range, while the LF-P suffix indicates lead-free composition and reel packaging format.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes are not explicitly confirmed in public documentation. Evaluate alternatives based on matching 8 A current rating, 25 V maximum input, and QFN-30 package dimensions. Verify pinout compatibility and control interface similarities before substitution.