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TPS54372 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS54372 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page Simplified Schematic 80 82 84 86 88 90 92 94 96 0 0.5 1 1.5 2 2.5 3 Load Current − A TA = 25°C VI = 5 V VO = 3.3 V VIN PH BOOT PGND VSENSE Output COMP AGND VBIAS Input TPS54310 Efficiency vs Load Current Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS54310 SLVS412E – DECEMBER 2001 – REVISED DECEMBER 2014 3-V to 6-V Input, 3-A Output Synchronous-Buck PWM Switcher With Integrated FETs (SWIFT™) 1 Features 3 Description As members of the SWIFT™ family of dc/dc 1 • 60-m Ω MOSFET Switches for High Efficiency at regulators, the TPS54310 low-input-voltage high- 3-A Continuous Output Source or Sink Current output-current synchronous-buck PWM converter • Adjustable Output Voltage Down to 0.9 V With 1% integrates all required active components. Included Accuracy on the substrate with the listed features are a true, high performance, voltage error amplifier that • Externally Compensated for Design Flexibility provides high performance under transient conditions; • Fast Transient Response an undervoltage-lockout circuit to prevent start-up • Wide PWM Frequency: Fixed 350 kHz, 550 kHz, until the input voltage reaches 3 V; an internally and or Adjustable 280 kHz to 700 kHz externally set slow-start circuit to limit in-rush • Load Protected by Peak Current Limit and currents; and a power good output useful for processor/logic reset, fault signaling, and supply Thermal Shutdown sequencing. • Integrated Solution Reduces Board Area and Total Cost The TPS54310 device is available in a thermally enhanced 20-pin HTSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI 2 Applications provides evaluation modules and the SWIFT designer • Low-Voltage, High-Density Systems With Power software tool to aid in quickly achieving high- Distributed at 5 V or 3.3 V performance power supply designs to meet • Point of Load Regulation for High aggressive equipment development cycles. Performance DSPs, FPGAs, ASICs, and Device Information(1) Microprocessors PART NUMBER PACKAGE BODY SIZE (NOM) • Broadband, Networking and Optical HTSSOP Communications Infrastructure TPS54310 6.30 mm × 6.40 mm PowerPAD (20) • Portable Computing/Notebook PCs (1) For all available packages, see the orderable addendum at the end of the datasheet. 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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