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TPS544x20 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS544x20 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 75 page  60 65 70 75 80 85 90 95 100 0 5 10 15 20 25 30 Load Current (A) 0.6 V 0.8 V 1.0 V 1.2 V 1.8 V 2.5 V 3.3 V C003 V IN = 12 V L = 410 nH Snubber = Open f SW = 500 kHz R DCR = 0.3 mŸ R BOOT = 0 Ÿ Output Voltage Product Folder Sample & Buy Technical Documents Tools & Software Support & Community 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. TPS544B20, TPS544C20 SLUSB69B – MAY 2014 – REVISED JULY 2016 TPS544x20 4.5-V to 18-V, 20-A, and 30-A SWIFT™ Synchronous Buck Converters with PMBus™ 1 1 Features 1 • PMBus-Enabled Converters: 20 A, 30 A • 4.5-V to 18-V input, 0.6-V to 5.5-V Output • 5 mm × 7 mm LQFN Package with 0.5-mm Pitch • Single Thermal Pad • Integrated 4.5-mΩ and 2.0-mΩ Stacked NexFET™ Power Stage • 600-mV, 0.5% Reference • Lossless, Low-Side MOSFET Current Sensing • Selectable D-CAP™ and D-CAP2™ Mode Control • Differential Remote Sensing • Monotonic Start-Up into Pre-Biased Output • Output Voltage Margin and Trim • Output Voltage and Output Current Reporting • External Temperature Monitoring with 2N3904 • Programmable via PMBus – Overcurrent Protection – UVLO, Soft-Start – PGOOD, OV, UV, OT Levels – Fault Responses – Turn-On and Turn-Off Delays • Thermal Shutdown • Pin Compatible 20-A, 30-A Converters 2 Applications • Test and Instrumentation • Ethernet Switches, Optical Switches, Routers, Base Stations • Servers • Enterprise Storage SSD • High-Density Power Solutions 3 Description The TPS544B20 and TPS544C20 devices are PMBus compatible, non-isolated DC-DC Integrated FET converters, capable of high-frequency operation and delivering 20-A , or 30-A current output from a 5 mm × 7 mm package, enabling high-power density and fast transient performance with minimal PCB area. The PMBus interface provides for converter configuration as well as monitoring of key parameters including output voltage, current and an optional external temperature. High-frequency, low-loss switching, provided by an integrated NexFET power stage and optimized drivers, allows for very high- density power solutions and reduced inductor and filter capacitor sizes. Response to fault conditions can be set to either restart or latch off depending on system requirements. Table 1. Device Information(1) PART NAME PACKAGE BODY SIZE (NOM) TPS544B20 LQFN (40) 5.00 mm × 7.00 mm TPS544C20 (1) For all available packages, see the orderable addendum at the end of the datasheet. Efficiency vs Output Current |
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