Overview
The FDMF3037 is a Smart Power Stage (SPS) module from onsemi, designed for synchronous buck converter topology. This module integrates a driver IC, a bootstrap Schottky diode, and two power MOSFETs into a thermally enhanced, ultra-compact 5 mm x 5 mm package. It is optimized for high-current, high-frequency applications, utilizing onsemi’s high-performance POWERTRENCH® MOSFET technology to reduce switch ringing and enhance overall performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | -0.3 | 7.0 | V | |
| PVCC Drive Voltage | -0.3 | 7.0 | V | |
| VIN Power Input | -0.3 | 30.0 | V | |
| Current Handling | 35 A | A | ||
| Switching Frequency | up to 1.5 MHz | Hz | ||
| Operating Junction Temperature | -40°C | 125°C | °C | |
| Package Type | 5 mm x 5 mm PQFN Copper-Clip |
Key Features
- Ultra-compact 5 mm x 5 mm PQFN Copper-Clip package with flip chip low-side MOSFET
- High current handling: 35 A
- 3-state 5 V PWM input gate driver for compatibility with a wide range of PWM controllers
- Low shutdown current: IVCC < 6 μA
- Diode emulation for enhanced light-load efficiency
- onsemi POWERTRENCH MOSFETs for clean voltage waveforms and reduced ringing
- onsemi SyncFET technology (integrated Schottky diode) in low-side MOSFET
- Integrated bootstrap Schottky diode
- Optimized for extremely short dead-times
- Under-voltage lockout (UVLO) on VCC
Applications
- Notebook, Tablet PC, and Ultrabook
- Servers and Workstations, V-Core and Non-V-Core DC-DC Converters
- Desktop and All-in-One Computers, V-Core and Non-V-Core DC-DC Converters
- High-current DC-DC Point-of-Load Converters
- Small Form-Factor Voltage Regulator Modules
Q & A
- What is the FDMF3037 module optimized for?
The FDMF3037 is optimized for synchronous buck converter topology.
- What is the package size of the FDMF3037?
The FDMF3037 comes in an ultra-compact 5 mm x 5 mm PQFN Copper-Clip package.
- What is the maximum current handling of the FDMF3037?
The FDMF3037 can handle up to 35 A of current.
- What is the switching frequency range of the FDMF3037?
The FDMF3037 is optimized for switching frequencies up to 1.5 MHz.
- What is the operating junction temperature range of the FDMF3037?
The operating junction temperature range is from -40°C to +125°C.
- Does the FDMF3037 support diode emulation?
Yes, the FDMF3037 supports diode emulation for enhanced light-load efficiency.
- What is the purpose of the FCCM pin in the FDMF3037?
The FCCM pin can be used to control diode emulation or to shut down the driver IC. It can also force continuous conduction mode (CCM) when set to a HIGH state.
- How does the FDMF3037 handle under-voltage lockout (UVLO)?
The FDMF3037 incorporates a UVLO feature on VCC, ensuring that both LDRV and HDRV are forced inactive until the UVLO threshold is exceeded.
- What are the typical applications of the FDMF3037?
The FDMF3037 is used in notebook, tablet PC, ultrabook, servers, workstations, desktop and all-in-one computers, high-current DC-DC point-of-load converters, and small form-factor voltage regulator modules.
- Is the FDMF3037 RoHS compliant?
Yes, the FDMF3037 is Pb-free, halide-free, and RoHS compliant.
