Overview
The MP6924AGS-Z, produced by Monolithic Power Systems Inc., is a dual, fast turn-off, intelligent rectifier designed for synchronous rectification in LLC resonant converters. This IC is optimized for high-efficiency power conversion and is compatible with various operating modes, including continuous conduction mode (CCM), critical conduction mode (CrCM), and discontinuous conduction mode (DCM). It is particularly suited for applications requiring low forward voltage drop and fast turn-off capabilities, enhancing overall system efficiency and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC-8 |
| VDD Operating Range | 4.2V ~ 35V |
| Forward Voltage Drop | MP6924: 45mV, MP6924A: 29mV |
| Turn-off Total Delay | 35ns |
| Quiescent Current in Light-Load | 175µA |
| Operating Modes | CCM, CrCM, DCM |
| Thermal Shutdown | Yes, with hysteresis |
| Compliance | Lead-free, halogen-free, RoHS compliant |
Key Features
- Drives two N-channel MOSFETs for synchronous rectification.
- Fast turn-off capability with a total delay of 35ns.
- Wide VDD operating range from 4.2V to 35V.
- Supports CCM, CrCM, and DCM operation.
- Low forward voltage drop: MP6924 (45mV), MP6924A (29mV).
- Light-load function to latch off the gate driver, limiting current to 175µA.
- Minimal external components required.
- Improves efficiency and EMI performance.
Applications
- AC/DC Adapters.
- PC Power Supplies.
- LCD and LED TVs.
- Notebook Adapters.
- Isolated DC/DC Power Converters.
Q & A
- What is the primary function of the MP6924AGS-Z?
The MP6924AGS-Z is a dual, fast turn-off, intelligent rectifier for synchronous rectification in LLC resonant converters. - What are the supported operating modes?
The IC supports continuous conduction mode (CCM), critical conduction mode (CrCM), and discontinuous conduction mode (DCM). - What is the forward voltage drop for the MP6924 and MP6924A?
The forward voltage drop is 45mV for the MP6924 and 29mV for the MP6924A. - What is the turn-off total delay?
The turn-off total delay is 35ns. - What is the quiescent current in light-load conditions?
The quiescent current in light-load conditions is 175µA. - Is the MP6924AGS-Z RoHS compliant?
Yes, the MP6924AGS-Z is lead-free, halogen-free, and RoHS compliant. - What package type is the MP6924AGS-Z available in?
The MP6924AGS-Z is available in a SOIC-8 package. - What are some typical applications for the MP6924AGS-Z?
Typical applications include AC/DC adapters, PC power supplies, LCD and LED TVs, and notebook adapters. - Does the MP6924AGS-Z have thermal shutdown protection?
Yes, the MP6924AGS-Z has thermal shutdown protection with hysteresis. - How does the light-load function work?
The light-load function latches off the gate driver under light-load conditions, limiting the current to 175µA.
