MP6903DS-LF

Power Supply Controllers, Monitors Overview

The MP6903DS-LF is a secondary side controller for flyback converters, part of the MP6903 series. It operates with a supply voltage range of 8V to 24V and draws a typical supply current of 3mA. The device is housed in an 8-SOIC package (0.154 inch width) and supports surface mount installation. It functions as an intelligent rectifier controller designed to replace Schottky diodes in high-efficiency power supplies.

Power Supply Controllers, Monitors Feature Summary

• Integrates fast turn-off intelligent rectifier control to minimize conduction losses
• Supports DCM, quasi-resonant, and CCM flyback topologies
• Compatible with standard 12V MOSFETs and 5V logic level MOSFETs

Power Supply Controllers, Monitors Applications

• Secondary side control in flyback power converters
• High efficiency AC/DC adapters
• Low standby power consumer electronics

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized MPS channels or certified distributors. Confirm RoHS compliance status and check for moisture sensitivity handling requirements prior to assembly. Ensure the specific suffix matches the required packaging format for your production line.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring precise secondary side synchronization in flyback architectures. Evaluate compatibility with external MOSFET gate drive requirements and ensure the operating temperature range meets system thermal constraints. Verify input voltage stability within the specified 8V to 24V window.

Power Supply Controllers, Monitors Part Context

This device belongs to the MP6903 family of intelligent rectifiers from Monolithic Power Systems. It is categorized under PMIC - Power Management ICs and specifically Switching Controllers. The series focuses on replacing traditional diode rectification to improve overall converter efficiency.

Power Supply Controllers, Monitors Replacement Considerations

MP6900 variants are noted as alternatives within the same functional family.