MP9989GV-Z

OR Controllers, Ideal Diodes Overview

The MP9989GV-Z is a switching controller designed for CCM/DCM flyback topologies, functioning as an ideal diode with an integrated 100V N-channel MOSFET. It operates within a supply voltage range of 4.5 V to 13 V and supports a single output at up to 13 V. The device features a 100 kHz switching frequency and draws 4 mA of operating current. It is housed in an 8-QFN (4x5 mm) package suitable for surface mount installation. The component functions reliably across a junction temperature range of -40°C to +125°C.

OR Controllers, Ideal Diodes Feature Summary

• Integrates a 100V N-channel MOSFET for synchronous rectification in flyback converters
• Supports both Continuous Conduction Mode (CCM) and Discontinuous Conduction Mode (DCM)
• Provides fast turn-on delay of 20 ns and turn-off delay of 25 ns

OR Controllers, Ideal Diodes Applications

• Flyback power supply designs requiring ideal diode rectification
• General-purpose OR controller applications
• Non-isolated power conversion systems

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix 'Z' against official Monolithic Power Systems documentation to confirm RoHS compliance status and environmental declarations. Ensure the ordering quantity aligns with manufacturer standard packaging requirements, typically 5,000 units per reel for this variant. Cross-reference the datasheet revision date to validate technical specifications prior to integration.

OR Controllers, Ideal Diodes Selection Notes

Select the MP9989GV-Z for flyback applications needing integrated synchronous rectification without external gate drivers. The 8-QFN package suits space-constrained PCB layouts. Confirm that the input voltage remains within the 4.5 V to 13 V operational window. Evaluate thermal performance given the 125°C maximum junction temperature rating for high-temperature environments.

OR Controllers, Ideal Diodes Part Context

This component belongs to the MP9989 series from Monolithic Power Systems, categorized under Intelligent Rectifiers and Switching Controllers. It serves as a PMIC solution for power management, specifically targeting flyback converter implementations where efficient secondary-side rectification is critical for overall system efficiency.

OR Controllers, Ideal Diodes Replacement Considerations

MP9989GV-P is documented as a direct substitute part number.