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Fairchild Semiconductor Electronic Components Datasheet

FDMF3030 Datasheet

DrMOS

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September 2012
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
FDMF3030
50A 40-Lead, Clipbond PQFN DrMOS, 6.0mm x 6.0mm Package
Top Mark
FDMF3030
© 2012 Fairchild Semiconductor Corporation
FDMF3030 • Rev. 1.0.0
www.fairchildsemi.com
Free Datasheet http://www.datasheet4u.com/


Fairchild Semiconductor Electronic Components Datasheet

FDMF3030 Datasheet

DrMOS

No Preview Available !

Typical Application Circuit
V5V
CVDRV
CVIN
VIN
3V ~ 24V
DISB#
PWM Input
OFF
ON
Open-Drain
Output
DISB#
VDRV
VCIN
VIN
BOOT
RBOOT
PWM
ZCD_EN#
FDMF3030
PHASE
VSWH
THWN#
CGND
PGND
CBOOT
LOUT
COUT
VOUT
Figure 1. Typical Application Circuit
DrMOS Block Diagram
VCIN
UVLO
DISB#
10µA
VCIN
PWM
RUP_PWM
RDN_PWM
Input
3-State
Logic
THWN#
Temp.
Sense
VDRV
GH
Logic
DBoot
Level-Shift
Dead-Time
Control
VCIN
GL
Logic
10µA
BOOT
VIN
Q1
HS Power
MOSFET
GH
20k
PHASE
VDRV
GL
VSWH
Q2
LS Power
MOSFET
CGND
ZCD_EN#
Figure 2. DrMOS Block Diagram
PGND
© 2012 Fairchild Semiconductor Corporation
FDMF3030 • Rev. 1.0.0
2
www.fairchildsemi.com
Free Datasheet http://www.datasheet4u.com/


Part Number FDMF3030
Description DrMOS
Maker Fairchild Semiconductor
PDF Download

FDMF3030 Datasheet PDF






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