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TPS79101 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS79101 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 12 page 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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