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TPS79101 Datasheet(PDF) 5 Page - Texas Instruments

Part # TPS79101
Description  Power Management Solutions for Xilinx and Altera FPGAs
Download  12 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

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Texas Instruments 2Q 2007
Power Management for FPGAs Sine On 5
Integrated FET Converters
1.6-MHz, 3-V to 6-V Input, 3-A DC/DC
Synchronous Buck Converter
TPS54317
Get samples, datasheets, app reports, evaluation modules and
software tools at:
www.ti.com/sc/device/TPS54317
Key Features
• Input voltage range: 3.0 V to 6.0 V
• Two 3-A (4.5-A peak) integrated MOSFETs provide synchronous
rectification
• Adjustable/synchronizable switching frequency to 1.6 MHz
• Output voltage adjustable down to 0.9 V
• Power good, enable, adjustable slow-start, current limit,
thermal shutdown and 1% accuracy
• Supported by free SwitcherPro™ design software
Benefits
• High frequency allows use of a smaller inductor and capacitor
to save board space
• High efficiency greater than 90%
• Large current source from a small board space
Applications
• Altera Cyclone II, Stratix II, Stratix II GX, Stratix III
• Xilinx Spartan-3 family, Virtex-5
• Core and IO power supplies
• Many integrated protection and performance features to protect
the system
DA T A
SHEETS
EVALUATION
MODULE
APP
REPORT
O D U C
A
M P L E
TPS54350 and TPS54550*
Input
Voltage
Output
Voltage
*Note: TPS54350 and TPS54550 are footprint compatible.
VSENSE
PWRPAD
VBIAS
COMP
SS/ENA
PWRGD
SYNC
PGND
LSG
PH
BOOT
VIN
4.5-V to 20-V Input, 3-A and 6-A
Converters
TPS54350, TPS54550
Get samples, datasheets, app reports, evaluation modules and
software tools at:
www.ti.com/sc/device/TPS54350 or TPS54550
Key Features
• Input voltage range: 4.5 V to 20 V
• Synchronous-buck for high efficiency
• Adjustable output voltage down to 0.9 V
• Power good, enable, adjustable slow-start, current limit,
thermal shutdown
• 180° out-of-phase switching
• TPS54350 and TPS54550 are footprint compatible
• Fixed 250 kHz, 500 kHz, or adjustable switching frequency
Benefits
• Accommodates high inrush currents
• Greater than 90% efficiency
• 1% regulation accuracy over temperature
• Reduces input bulk capacitance size
• Operates at up to 700 kHz for smaller passive components
DA T A
SHEETS
EVALUATION
MODULE
APP
REPORT
O D U C
A
M P L E
Other Low-Voltage SWIFT™ Devices*
VIN Range
IOUT
Part Number
(V)
(A)
Frequency
Package
TPS54310
3 to 6
3
Up to 700 kHz
20HTSSOP
TPS54610
3 to 6
6
Up to 700 kHz
28HTSSOP
TPS54910
3 to 4
9
Up to 700 kHz
28HTSSOP
TPS54010
3 to 4
14
Up to 700 kHz
28HTSSOP
* Same feature set as TPS54317
Mid-Voltage SWIFT™ Devices
VIN Range
IOUT
Part Number
(V)
(A)
Compensation
Package
TPS54350
4.5 to 20
3
External
16HTSSOP
TPS5435x
4.5 to 20
3
Internal*
16HTSSOP
TPS54550
4.5 to 20
6
External
16HTSSOP
* Fixed output versions available (1.2, 1.5, 1.8, 2.5 and 3.3 V)
Applications
• Altera Cyclone II, Stratix II, Stratix II GX, Stratix III
• Xilinx Spartan-3 family, Virtex-5
• Core and IO power supplies
Output
Input
TPS54317
AGND
COMP
RT
VBIAS
SS/ENA
SYNCH
PWRGD
VIN
PGND
VSENSE
BOOT
PH


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