MP6903DS-LF-P

Power Supply Controllers, Monitors Overview

The MP6903DS-LF-P is a secondary side controller for flyback converters, functioning as a fast turn-off intelligent rectifier. It operates within an input voltage range of 8V to 24V and supports switching frequencies up to 400kHz. The device regulates the external switch forward voltage drop to approximately 70mV and features a total turn-off delay of 20ns. It is housed in an SOIC-8 package and complies with RoHS3 standards.

Power Supply Controllers, Monitors Feature Summary

• Replaces Schottky diodes in flyback converters by driving external standard or logic-level MOSFETs
• Provides rapid turn-off capability with a 20ns total delay to minimize reverse recovery losses
• Regulates external switch conduction loss to maintain low forward voltage drop

Power Supply Controllers, Monitors Applications

• Flyback power supplies
• Secondary side synchronous rectification
• High-efficiency AC/DC adapters

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix against official documentation, as it may indicate packaging variations without altering electrical function. Confirm availability status directly with the manufacturer or authorized distributors, as supply levels fluctuate. Ensure the component meets current environmental compliance requirements such as RoHS3 before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring high efficiency in flyback topologies where minimizing secondary side conduction losses is critical. It is suitable for applications utilizing both standard and logic-level MOSFETs. Verify that the operating frequency does not exceed the maximum rated limit of 400kHz for optimal performance.

Power Supply Controllers, Monitors Part Context

This part belongs to the MP6903 series of intelligent controllers designed for secondary side rectification. It is manufactured by Monolithic Power Systems (MPS) and falls under the category of PMIC - Power Management ICs. The device is specifically engineered to enhance converter efficiency by replacing traditional diode-based rectification methods.

Power Supply Controllers, Monitors Replacement Considerations

MP6903DS-LF-Z