Stage Module. FDMF5820DC Datasheet

FDMF5820DC Datasheet PDF, Equivalent


Part Number

FDMF5820DC

Description

Smart Power Stage Module

Manufacture

Fairchild Semiconductor

Total Page 25 Pages
PDF Download
Download FDMF5820DC Datasheet


FDMF5820DC Datasheet
September 2013
FDMF5820DC – Smart Power Stage (SPS) Module
with Integrated Temperature Monitor
Features
Ultra-Compact 5 mm x 5 mm PQFN Copper-Clip
Package with Flip Chip Low-Side MOSFET and
Dual Cool Architecture
High Current Handling: 60 A
3-State 3.3 V PWM Input Gate Driver
Dynamic Resistance Mode for Low-Side Drive
(LDRV) Slows Low-Side MOSFET during Negative
Inductor Current Switching
Auto DCM (Low-Side Gate Turn Off) Using
ZCD# Input
Thermal Monitor for Module Temperature Reporting
Programmable Thermal Shutdown (P_THDN)
HS-Short Detect Fault# / Shutdown
Dual Mode Enable / Fault# Pin
Internal Pull-Up and Pull-Down for ZCD# and
EN Inputs, respectively
Fairchild PowerTrench® MOSFETs for Clean
Voltage Waveforms and Reduced Ringing
Fairchild SyncFET™ Technology (Integrated
Schottky Diode) in Low-Side MOSFET
Integrated Bootstrap Schottky Diode
Optimized / Extremely Short Dead-Times
Under-Voltage Lockout (UVLO) on VCC
Optimized for Switching Frequencies up to 1.5 MHz
PWM Minimum Controllable On-Time: 30 ns
Low Shutdown Current: < 3 µA
Optimized FET Pair for Highest Efficiency:
10 ~ 15% Duty Cycle
Operating Ambient Temperature Range:
-40°C to +125°C
Fairchild Green Packaging and RoHS Compliance
Description
The SPS 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
FDMF5820DC integrates a driver IC with a bootstrap
Schottky diode, two power MOSFETs, and a thermal
monitor into a thermally enhanced, ultra-compact, 5 mm
x 5 mm package.
With an integrated approach, the SPS switching power
stage is optimized for driver and MOSFET dynamic
performance, minimized system inductance, and power
MOSFET RDS(ON). The SPS family uses Fairchild's high-
performance PowerTrench® MOSFET technology,
which 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 the performance. A thermal
monitor function warns of a potential over-temperature
situation. A programmable thermal shutdown function
turns off the driver if an over-temperature condition
occurs. The FDMF5820DC incorporates an Auto-DCM
Mode (ZCD#) for improved light-load efficiency. The
FDMF5820DC also provides a 3-state 3.3 V PWM input
for compatibility with a wide range of PWM controllers.
Applications
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-Performance Gaming Motherboards
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
FDMF5820DC
60 A
31-Lead, Clip Bond PQFN SPS, 5.0 mm x 5.0 mm Package
Top Mark
FDMF5820DC
© 2013 Fairchild Semiconductor Corporation
FDMF5820DC • Rev. 1.0.0
www.fairchildsemi.com

FDMF5820DC Datasheet
Application Diagram
Figure 1. Typical Application Diagram
Functional Block Diagram
© 2013 Fairchild Semiconductor Corporation
FDMF5820DC • Rev. 1.0.0
Figure 2. Functional Block Diagram
2
www.fairchildsemi.com


Features Datasheet pdf FDMF5820DC — Smart Power Stage (SPS) M odule with Integrated Temperature Monit or September 2013 FDMF5820DC – Smar t Power Stage (SPS) Module with Integra ted Temperature Monitor Features  U ltra-Compact 5 mm x 5 mm PQFN Copper-Cl ip Package with Flip Chip Low-Side MOSF ET and Dual Cool Architecture  High Current Handling: 60 A  3-State 3.3 V PWM Input Gate Driver  Dynamic Res istance Mode for Low-Side Drive (LDRV) Slows Low-Side MOSFET during Negative I nductor Current Switching  Auto DCM (Low-Side Gate Turn Off) Using ZCD# Inp ut  Thermal Monitor for Module Tempe rature Reporting  Programmable Therm al Shutdown (P_THDN)  HS-Short Detec t Fault# / Shutdown  Dual Mode Enabl e / Fault# Pin  Internal Pull-Up and Pull-Down for ZCD# and EN Inputs, resp ectively  Fairchild PowerTrench® MO SFETs for Clean Voltage Waveforms and R educed Ringing  Fairchild SyncFET™ Technology (Integrated Schottky Diode) in Low-Side MOSFET  Integrated Bootstrap Schottky Diode  Optimized / Extremely Short Dead-T.
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