Multi-chip Module. FDMF6700 Datasheet

FDMF6700 Datasheet PDF, Equivalent


Part Number

FDMF6700

Description

Driver plus FET Multi-chip Module

Manufacture

Fairchild Semiconductor

Total Page 13 Pages
PDF Download
Download FDMF6700 Datasheet PDF


FDMF6700 Datasheet
May 2007
FDMF6700
Driver plus FET Multi-chip Module
tm
Benefits
„ Fully optimized system efficiency. Higher efficiency levels
are achievable compared with conventional discrete
components.
„ Space savings of up to 50% PCB versus discrete solutions.
„ Higher frequency of operation.
„ Simpler system design and board layout. Reduced time in
component selection and optimization.
Features
„ 12V typical Input Voltage
„ Output current up to 25A
„ 500KHz switching frequency capable
„ Internal adaptive gate drive
„ Integrated bootstrap diode
„ Peak Efficiency >85%
„ Under-voltage Lockout
„ Output disable for lost phase shutdown
„ Low profile SMD package
„ RoHS Compliant
General Description
The FDMF6700 is a fully optimized integrated 12V Driver plus
MOSFET power stage solution for high current synchronous
buck DC-DC applications. The device integrates a driver IC and
two Power MOSFETs into a space saving, 6mm x 6mm, 40-pin
Power66™ package. Fairchild Semiconductor’s integrated
approach optimizes the complete switching power stage with
regards to driver to FET dynamic performance, system
inductance and overall solution ON resistance. Package
parasitics and problematical layouts associated with
conventional discrete solutions are greatly reduced. This
integrated approach results in significant board space saving,
therefore maximizing footprint power density. This solution is
based on the Intel™ DrMOS specification.
Applications
„ Desktop and server VR11.x V-core and non V-core buck
converters.
„ CPU/GPU power train in game consoles and high end
desktop systems.
„ High-current DC-DC Point of Load (POL) converters
„ Networking and telecom microprocessor voltage regulators
„ Small form factor voltage regulator modules
Powertrain Application Circuit
www.DataSheet4U.com
12V
CVCC
DISB
PWM
Input
VCIN
DISB
VIN
BOOT
PWM
VSWH
CGND PGND
CBOOT
OUTPUT
COUT
Figure 1. Powertrain Application Circuit
Ordering Information
Part
FDMF6700
Current Rating
Max
[A]
25
Input Voltage
Typical
[V]
12
Frequency
Max
[KHz]
500
©2007 Fairchild Semiconductor Corporation
FDMF6700 Rev. B
1
Device
Marking
FDMF6700
www.fairchildsemi.com

FDMF6700 Datasheet
Functional Block Diagram
DISB
PWM
BOOT VCIN HDRV VIN
2.2 1.2
VCIN
1.2
VSWH
Pin Configuration
CGND
LDRV PGND
Figure 2. Functional Block Diagram
www.DataSheet4U.com
FDMF6700 Rev. B
1 10
PWM
DISB
TEST PAD2
CGND
VSWH
PGND
PGND
PGND
PGND
PGND
40
31
(CGND)
(VIN)
(VSWH)
11 VIN
VIN
VIN
VIN
VSWH
VSWH
VSWH
VSWH
VSWH
20 VSWH
30 21
Figure 3. Power66 40L Bottom View
2
www.fairchildsemi.com


Features Datasheet pdf FDMF6700 Driver plus FET Multi-chip Modu le May 2007 FDMF6700 Driver plus FET Multi-chip Module Benefits „ Fully opt imized system efficiency. Higher effici ency levels are achievable compared wit h conventional discrete components. „ Space savings of up to 50% PCB versus d iscrete solutions. „ Higher frequency of operation. „ Simpler system design and board layout. Reduced time in compo nent selection and optimization. tm G eneral Description The FDMF6700 is a fu lly optimized integrated 12V Driver plu s MOSFET power stage solution for high current synchronous buck DC-DC applicat ions. The device integrates a driver IC and two Power MOSFETs into a space sav ing, 6mm x 6mm, 40-pin Power66™ packa ge. Fairchild Semiconductor’s integra ted approach optimizes the complete swi tching power stage with regards to driv er to FET dynamic performance, system i nductance and overall solution ON resis tance. Package parasitics and problemat ical layouts associated with conventional discrete solutions are greatl.
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