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TPS54612-EP Datasheet Preview

TPS54612-EP Datasheet

Buck PWM Switcher

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www.ti.com
Typical Size
6,6 mm X 9,8 mm
TPS54611-EP, TPS54612-EP
TPS54613-EP, TPS54614-EP
TPS54615-EP, TPS54616-EP
SGLS293A – FEBRUARY 2005 – REVISED AUGUST 2005
3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM
SWITCHER WITH INTEGRATED FETs (SWIFT™)
FEATURES
Controlled Baseline
– One Assembly/Test Site, One Fabrication
Site
Extended Temperature Performance of –55°C
to 125°C
Enhanced Diminishing Manufacturing
Sources (DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree (1)
30-m, 12-A Peak MOSFET Switches for High
Efficiency at 6-A Continuous Output Source
and Sink
0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V
Fixed Output Voltage Devices With 1% Initial
Accuracy
Internally Compensated for Easy Use and
Minimal Component Count
Fast Transient Response
Wide PWM Frequency - Fixed 350 kHz,
550 kHz or Adjustable 280 kHz to 700 kHz
Load Protected by Peak Current Limit and
Thermal Shutdown
Integrated Solution Reduces Board Area and
Total Cost
(1) Component qualification in accordance with JEDEC and
industry standards to ensure reliable operation over an
extended temperature range. This includes, but is not limited
to, Highly Accelerated Stress Test (HAST) or biased 85/85,
temperature cycle, autoclave or unbiased HAST,
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing should not be viewed as
justifying use of this component beyond specified
performance and environmental limits.
APPLICATIONS
Low-Voltage, High-Density Systems With
Power Distributed at 5 V or 3.3 V
Point of Load Regulation for High
Performance DSPs, FPGAs, ASICs and
Microprocessors
Broadband, Networking and Optical
Communications Infrastructure
Portable Computing/Notebook PCs
DESCRIPTION
The SWIFT™ family of dc/dc regulators, the
TPS54611, TPS54612, TPS54613, TPS54614,
TPS54615, and TPS54616 low-input voltage
high-output current synchronous-buck PWM
converters integrate all required active components.
Included on the substrate are true, high-performance,
voltage error amplifiers that provide high performance
under transient conditions; an under-voltage lockout
circuit to prevent start-up until the input voltage
reaches 3 V; an internally and externally set
slow-start circuit to limit in-rush currents; and a power
good output useful for processor/logic reset, fault
signaling, and supply sequencing.
The TPS54611-6 devices are available in a thermally
enhanced 28-pin TSSOP (PWP) PowerPAD™
package, which eliminates bulky heatsinks. Texas
Instruments 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.
These devices have limited built-in ESD protection. The leads should be shorted together or the device
placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
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.
SWIFT, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2005, Texas Instruments Incorporated




etcTI

TPS54612-EP Datasheet Preview

TPS54612-EP Datasheet

Buck PWM Switcher

No Preview Available !

TPS54611-EP, TPS54612-EP
TPS54613-EP, TPS54614-EP
TPS54615-EP, TPS54616-EP
SGLS293A – FEBRUARY 2005 – REVISED AUGUST 2005
Input
SIMPLIFIED SCHEMATIC
VIN PH
TPS54614
BOOT
PGND
VBIAS VSENSE
AGND
Output
AGND
VSENSE
NC
PWRGD
BOOT
PH
PH
PH
PH
PH
PH
PH
PH
PH
PWP PACKAGE
(TOP VIEW)
1 28
2 27
3 26
4 25
5 24
6 23
7 THERMAL 22
8 PAD 21
9 20
10 19
11 18
12 17
13 16
14 15
www.ti.com
100
95
90
85
80
75
70
65
60
55
50
0
EFFICIENCY AT 350 kHz
123 4
Load Current − A
5
6
RT
FSEL
SS/ENA
VBIAS
VIN
VIN
VIN
VIN
VIN
PGND
PGND
PGND
PGND
PGND
AVAILABLE OPTIONS
TJ
–55°C to 125°C
OUTPUT VOLTAGE
0.9 V
1.2 V
1.5 V
1.8 V
2.5 V
3.3 V
PACKAGED DEVICES
PLASTIC HTSSOP
(PWP) (1)
TPS54611MPWPREP (2)
TPS54612MPWPREP (2)
TPS54613MPWPREP
TPS54614MPWPREP (2)
TPS54615MPWPREP
TPS54616MPWPREP (2)
(1) The PWP package is taped and reeled as denoted by the R suffix on the device type (i.e., TPS54616MPWPREP). See the application
section of this data sheet for the PowerPAD drawing and layout information.
(2) Product Preview
2


Part Number TPS54612-EP
Description Buck PWM Switcher
Maker etcTI
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