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TPS54610 Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPS54610
Description  3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS54610 Fiches technique(HTML) 1 Page - Texas Instruments

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TPS54610
SLVS398D − JUNE 2001 − REVISED JULY 2003
3V TO 6V INPUT, 6A OUTPUT SYNCHRONOUS BUCK PWM
SWITCHER WITH INTEGRATED FETs (SWIFT)
6,4 mm X 9,7 mm
Typical Size
FEATURES
D 30-mΩ, 12-A Peak MOSFET Switches for High
Efficiency at 6-A Continuous Output Source
or Sink Current
D Adjustable Output Voltage Down To 0.9 V
With 1.0% Accuracy
D Wide PWM Frequency:
Fixed 350 kHz, 550 kHz or
Adjustable 280 kHz to 700 kHz
D Synchronizable to 700 kHz
D Load Protected by Peak Current Limit and
Thermal Shutdown
D Integrated Solution Reduces Board Area and
Component Count
APPLICATIONS
D Low-Voltage, High-Density Distributed Power
Systems
D Point of Load Regulation for High
Performance DSPs, FPGAs, ASICs and
Microprocessors
D Broadband, Networking and Optical
Communications Infrastructure
D Portable Computing/Notebook PCs
DESCRIPTION
As a member of the SWIFT
 family of dc/dc regulators,
the TPS54610 low-input voltage high-output current
synchronous buck PWM converter integrates all
required active components. Included on the substrate
with the listed features are a true, high performance,
voltage
error
amplifier
that
enables
maximum
performance and flexibility in choosing the output filter
L and C components; an under-voltage-lockout circuit
to prevent start-up until the input voltage reaches 3 V;
an internally or externally set slow-start circuit to limit
inrush currents; and a power good output useful for
processor/logic reset, fault signaling, and supply
sequencing.
The TPS54610 is available in a thermally enhanced
28-pin TSSOP (PWP) PowerPAD
 package, which
eliminates bulky heatsinks. TI provides evaluation
modules and the SWIFT
 designer software tool to aid
in quickly achieving high-performance power supply
designs to meet aggressive equipment development
cycles.
SIMPLIFIED SCHEMATIC
50
55
60
65
70
75
80
85
90
95
100
01
2
3
4
5
6
Load Current − A
EFFICIENCY AT 350 kHz
VI = 5 V,
VO = 3.3 V
VIN
PH
BOOT
PGND
VSENSE
Output
COMP
AGND
VBIAS
Input
TPS54610
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
PowerPAD and SWIFT are trademarks of Texas Instruments.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
www.ti.com
Copyright
 2002, Texas Instruments Incorporated


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