Overview
The FDMF6823C, part of ON Semiconductor’s XS™ DrMOS family, is a next-generation, fully optimized, integrated MOSFET plus driver power stage solution. This module integrates a driver IC, two power MOSFETs, and a bootstrap Schottky diode into a thermally enhanced, ultra-compact 6x6mm package. It is designed for high-current, high-frequency synchronous buck DC-DC applications. The FDMF6823C utilizes ON Semiconductor's high-performance PowerTrench® MOSFET technology, which reduces switch ringing and eliminates the need for snubber circuits in most buck converter applications. The module also features a driver IC with reduced dead times and propagation delays, enhancing overall performance. Additionally, it includes a thermal warning function and a Skip Mode (SMOD#) for improved light-load efficiency.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | PQFN-40 | - |
| Package Size | 6x6 mm | - |
| Input Voltage (VIN) | 5 - 12 | V |
| Output Current (I_O) | 50 | A |
| Switching Frequency (f_max) | Up to 1 MHz | - |
| PWM Input Level | 3-State 5V | - |
| Thermal Warning Flag | Yes, THWN# | - |
| Output Disable Function | Yes, DISB# Pin | - |
| MOSFET Technology | PowerTrench® | - |
| Efficiency | Over 93% Peak-Efficiency | % |
Key Features
- Ultra-compact 6x6 mm PQFN package, saving 72% space compared to conventional discrete solutions.
- High-performance PowerTrench® MOSFET technology for clean switching waveforms and reduced ringing.
- Integrated bootstrap Schottky diode and SyncFET™ (Integrated Schottky Diode) technology in the low-side MOSFET.
- 3-State 5V PWM input driver for compatibility with a wide range of PWM controllers.
- Skip Mode (SMOD#) for improved light-load efficiency.
- Thermal warning flag (THWN#) for over-temperature conditions.
- Driver output disable function (DISB# Pin).
- Internal pull-up and pull-down for SMOD# and DISB# inputs, respectively.
- Adaptive gate drive timing for shoot-through protection.
- Under-Voltage Lockout (UVLO).
Applications
- Core Power for Servers, Desktop Computers, Notebooks, Game Consoles, Networking, Storage, and Telecom.
- High-Current DC-DC Converters.
- Multi-phase DC-DC Converters.
- High-Performance Gaming Motherboards.
- Compact Blade Servers.
Q & A
- What is the FDMF6823C? The FDMF6823C is an integrated driver and MOSFET module optimized for synchronous buck DC-DC applications, integrating a driver IC, two power MOSFETs, and a bootstrap Schottky diode into a 6x6mm package.
- What is the package type and size of the FDMF6823C? The FDMF6823C comes in a PQFN-40 package with a size of 6x6 mm.
- What is the maximum output current of the FDMF6823C? The maximum output current is 50 A.
- What is the maximum switching frequency of the FDMF6823C? The module can operate at switching frequencies up to 1 MHz.
- Does the FDMF6823C have thermal protection? Yes, it includes a thermal warning flag (THWN#) that alerts of potential over-temperature conditions.
- What is the Skip Mode (SMOD#) feature? The Skip Mode (SMOD#) is designed to improve light-load efficiency.
- Is the FDMF6823C compatible with various PWM controllers? Yes, it features a 3-State 5V PWM input driver for compatibility with a wide range of PWM controllers.
- What MOSFET technology is used in the FDMF6823C? The module uses ON Semiconductor's high-performance PowerTrench® MOSFET technology.
- What are the typical applications of the FDMF6823C? It is used in core power for servers, desktop computers, notebooks, game consoles, networking, storage, telecom, high-current DC-DC converters, and multi-phase DC-DC converters.
- Does the FDMF6823C have an output disable function? Yes, it includes a driver output disable function (DISB# Pin).
- Is the FDMF6823C RoHS compliant? Yes, the module is RoHS compliant and uses Fairchild Green Packaging.
