SPS Module. FDMF5826DC Datasheet

FDMF5826DC Datasheet PDF, Equivalent


Part Number

FDMF5826DC

Description

Smart Power Stage (SPS) Module

Manufacture

Fairchild Semiconductor

Total Page 25 Pages
PDF Download
Download FDMF5826DC Datasheet PDF


FDMF5826DC Datasheet
May 2016
FDMF5826DC 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 5 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
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: < 2 mA
Optimized FET Pair for Highest Efficiency:
10 ~ 15% Duty Cycle
Operating Junction 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
FDMF5826DC 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. The FDMF5826DC incorporates an Auto-DCM
Mode (ZCD#) for improved light-load efficiency. The
FDMF5826DC also provides a 3-state 5 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
FDMF5826DC
60 A
Package
31-Lead, Clip Bond PQFN SPS, 5.0 mm x 5.0 mm Package
Top Mark
5826DC
© 2013 Fairchild Semiconductor Corporation
FDMF5826DC • Rev. 1.8
www.fairchildsemi.com

FDMF5826DC Datasheet
Application Diagram
V5V
CPVCC
RVCC
CVCC
CVIN
VIN
EN
PWM Input
OFF
ON
VTMON
RTMON
PVCC
VCC
VIN
EN/FAULT#
GL
PWM
ZCD#
FDMF5826DC
BOOT
PHASE
TMON
ITMON
AGND
PGND
SW
RBOOT
LOUT
CBOOT
VOUT
COUT
Figure 1.
Functional Block Diagram
TMON
ITMON
VCC
THERMAL
MONITOR
Typical Application Diagram
EN/
FAULT#
PVCC
BOOT
VIN
FAULT
LATCH
0.8V/2.0V
FAULT
VCC
PWM
RUP_ PWM
RDN_ PWM
EN/UVLO
POR
PWM INPUT
LEVEL
SHIFT
HDRV
PWM CONTROL
LOGIC
PVCC
LDRV1
VCC
10uA
ZCD#
0.8V/2.0V
POR
ZCD/CCM/DCM
LOGIC
PVCC
LDRV2
AGND
Figure 2. Functional Block Diagram
© 2013 Fairchild Semiconductor Corporation
FDMF5826DC • Rev. 1.8
2
PHASE
SW
GL
PGND
www.fairchildsemi.com


Features Datasheet pdf FDMF5826DC — Smart Power Stage (SPS) M odule with Integrated Temperature Monit or May 2016 FDMF5826DC – Smart Powe r Stage (SPS) Module with Integrated Te mperature Monitor Features  Ultra-C ompact 5 mm x 5 mm PQFN Copper-Clip Pac kage with Flip Chip Low-Side MOSFET and Dual Cool Architecture  High Curren t Handling: 60 A  3-State 5 V PWM In put Gate Driver  Dynamic Resistance Mode for Low-Side Drive (LDRV) Slows Lo w-Side MOSFET during Negative Inductor Current Switching  Auto DCM (Low-Sid e Gate Turn Off) Using ZCD# Input  T hermal Monitor for Module Temperature R eporting  HS-Short Detect Fault# / S hutdown  Dual Mode Enable / Fault# P in  Internal Pull-Up and Pull-Down f or ZCD# and EN Inputs, respectively  Fairchild PowerTrench® MOSFETs for Cl ean Voltage Waveforms and Reduced Ringi ng  Fairchild SyncFET™ Technology (Integrated Schottky Diode) in Low-Side MOSFET  Integrated Bootstrap Schott ky Diode  Optimized / Extremely Short Dead-Times  Under-V.
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