MP6901DS-LF-P

Power Supply Controllers, Monitors Overview

The MP6901DS-LF-P is a flyback switching controller from Monolithic Power Systems designed as a fast-off intelligent rectifier driver. It operates within an input voltage range of 8 V to 24 V and supports a maximum switching frequency of 400 kHz. The device features a shutdown function and draws 8 mA of operating supply current. It is housed in an SOIC-8 surface-mount package and functions as a non-isolated intelligent controller suitable for power management applications.

Power Supply Controllers, Monitors Feature Summary

• Functions as a low-drop fast turn-off intelligent controller to replace Schottky diodes in flyback converters
• Capable of driving both standard MOSFETs and logic level MOSFETs for secondary side rectification
• Supports DCM, CCM, and quasi-resonant flyback topologies with up/down tube rectification

Power Supply Controllers, Monitors Applications

• Secondary side synchronous rectification in flyback power supplies
• High-efficiency AC/DC adapters meeting energy efficiency standards
• Low standby power consumption designs such as notebook adapters

Power Supply Controllers, Monitors Procurement Notes

Verify the suffix 'P' against official MPS documentation to confirm tape-and-reel packaging specifications. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the specific lot date code and humidity sensitivity classification during incoming inspection to maintain assembly reliability.

Power Supply Controllers, Monitors Selection Notes

Select this component for flyback designs requiring precise secondary-side control to minimize conduction losses. It is appropriate for systems utilizing standard or logic-level external MOSFETs. Consider the 400 kHz frequency limit and 8 V to 24 V input range when defining the transformer parameters and control loop bandwidth.

Power Supply Controllers, Monitors Part Context

This part belongs to the MP6901 series of intelligent rectifier drivers. It serves as a direct replacement for traditional diode rectifiers in high-efficiency power supplies. The DS variant indicates the SOIC-8 package configuration, distinguishing it from other pinout options like the TSOT23-5.

Power Supply Controllers, Monitors Replacement Considerations

MP6900DS-LF-Z is a confirmed substitute within the same functional family.