FDMF3030 datasheet(2/21 Pages) ONSEMI

2 / 21 page

September 2012

www.fairchildsemi.com

FDMF3030 • Rev. 1.0.0

FDMF3030 — Extra-Small, High-Performance,

High-Frequency, DrMOS Module

Benefits

 Ultra-Compact 6x6mm PQFN, 72% Space-Saving

Compared to Conventional Discrete Solutions

 Fully Optimized for System Efficiency

 Clean-Switching Waveforms with Minimal Ringing

 High-Current Handling

Features

 Over 93% Peak-Efficiency

 High-Current Handling: 50A

 High-Performance PQFN Copper-Clip Package

 3-State 5V PWM Input Driver

 Automatic Diode Emulation (Skip Mode) Enabled

through ZCD_EN# Input

 Thermal Warning Flag for Over-Temperature

Condition

 Driver Output Disable Function (DISB# Pin)

 Internal Pull-Up and Pull-Down for ZCD_EN# and

DISB# Inputs, Respectively

 Fairchild PowerTrench® Technology MOSFETs for

Clean Voltage Waveforms and Reduced Ringing

 Fairchild SyncFET™ Technology (Integrated

Schottky Diode) in Low-Side MOSFET

 Integrated Bootstrap Schottky Diode

 Adaptive Gate-Drive Timing for Shoot-Through

Protection

 Under-Voltage Lockout (UVLO)

 Optimized for Switching Frequencies up to 1MHz

 Low-Profile SMD Package

 Fairchild Green Packaging and RoHS Compliance

 Based on the Intel® 4.0 DrMOS Standard

Description

The DrMOS family is Fairchild’s next-generation, fully

optimized, ultra-compact, integrated MOSFET-plus-

driver, power-stage solution for high-current, high-

frequency, synchronous buck, DC-DC applications. The

FDMF3030 integrates a driver IC, two power MOSFETs,

and a bootstrap Schottky diode into a thermally

enhanced, ultra-compact, 6x6mm package.

With an integrated approach, the complete switching

power stage is optimized with regard to driver and

MOSFET dynamic performance, system inductance,

and power MOSFET RDS(ON). The FDMF3030 uses

Fairchild's high-performance PowerTrench

® MOSFET

technology, which dramatically reduces switch ringing,

eliminating the need for a snubber circuit in most buck

converter applications.

A driver IC with reduced dead times and propagation

delays further enhances performance. A thermal

warning function indicates a potential over-temperature

situation. The FDMF3030 also incorporates a Zero-

Cross Detect (ZCD_EN# pin) for improved light-load

efficiency and provides a 3-state 5V PWM input for

compatibility with a wide range of PWM controllers.

Applications

 Notebook Computers

 High-Performance Gaming Motherboards

 Compact Blade Servers & Workstations,

V-Core and Non-V-Core DC-DC Converters

 Desktop Computers, V-Core and Non-V-Core

DC-DC Converters

 High-Current DC-DC Point-of-Load Converters

 Networking and Telecom Microprocessor Voltage

Regulators

 Small Form-Factor Voltage Regulator Modules

Ordering Information

Part Number

Current Rating

Package

Top Mark

FDMF3030

50A

40-Lead, Clipbond PQFN DrMOS, 6.0mm x 6.0mm Package

FDMF3030

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