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TPS54610 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS54610 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 16 page 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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