MP9989AGV-Z

OR Controllers, Ideal Diodes Overview

The MP9989AGV-Z is a switching controller designed for CCM/DCM flyback converters, functioning as an ideal diode with an integrated 100V/10mΩ MOSFET. It operates within a supply voltage range of 4.5V to 13V and draws 4mA of operating current. The device supports a switching frequency of 100 kHz and delivers an output voltage of 13V. It functions in non-isolated configurations across a temperature range of -40°C to +125°C. Packaged in a QFN-8 format, it belongs to the MP9989 series under intelligent rectifiers.

OR Controllers, Ideal Diodes Feature Summary

• Integrates a 100V/10mΩ MOSFET to replace traditional diode rectifiers for improved efficiency.
• Generates internal supply voltage without requiring auxiliary windings.
• Includes ringing detection circuitry to prevent false turn-on during DCM or quasi-resonant operations.

OR Controllers, Ideal Diodes Applications

• Laptop adapters
• QC and USB PD chargers
• High-efficiency flyback converters

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific package variant against official documentation, as the AGV suffix typically denotes QFN packaging distinct from GS (SOIC) variants. Confirm moisture sensitivity level and reflow profile requirements prior to assembly. Ensure the ordering suffix matches the exact pinout and thermal pad configuration required by the design. Cross-reference the datasheet revision to confirm feature availability.

OR Controllers, Ideal Diodes Selection Notes

Select this component for high-density flyback designs requiring synchronous rectification without auxiliary winding complexity. The integrated MOSFET reduces conduction losses compared to standard diodes. Verify compatibility with the target converter's control loop and ensure the 100V rating exceeds peak drain-source voltages. Consider the QFN-8 package for space-constrained PCB layouts.

OR Controllers, Ideal Diodes Part Context

The MP9989AGV-Z is part of the MP9989 family of intelligent rectifiers from Monolithic Power Systems. This series targets modern adapter applications where efficiency and power density are critical. The AGV designation specifically identifies the QFN-8 package option within the broader product line that also includes SOIC variants.

OR Controllers, Ideal Diodes Replacement Considerations

MP9989GS-P

OR Controllers, Ideal Diodes FAQ

Does the MP9989AGV-Z require an auxiliary winding for operation?

No, the device generates its own supply voltage internally, eliminating the need for an auxiliary winding.

How does the MP9989AGV-Z handle discontinuous conduction mode?

It utilizes internal ringing detection circuitry to prevent false turn-on during DCM or quasi-resonant operations.