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TPS84250 Folha de dados(PDF) 1 Page - Texas Instruments |
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TPS84250 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 29 page 70 75 80 85 90 95 100 0 0.5 1 1.5 2 2.5 Output Current (A) VIN = 24 V,VOUT = 15 V,fSW = 1 MHz VIN = 24 V,VOUT = 12 V,fSW = 800 kHz G000 VOUT VIN TPS84250 VADJ AGND PGND VOUT VIN PWRGD RT/CLK INH/UVLO SS/TR STSEL CIN RSET COUT TPS84250 www.ti.com SLVSAR6 – AUGUST 2012 7-V to 50-V Input, 2.5-A Step-Down, Integrated Power Solution Check for Samples: TPS84250 1 FEATURES DESCRIPTION • Complete Integrated Power Solution Allows The TPS84250 is an easy-to-use integrated power Small Footprint, Low-Profile Design solution that combines a 2.5-A DC/DC converter with • Wide Input Voltage Range from 7 V to 50 V an inductor and passives into a low profile, QFN • Output Adjustable from 2.5 V to 15 V package. This total power solution allows as few as five external components and eliminates the loop • 65-V Surge Capability compensation and magnetics part selection process. • Efficiencies Up To 96% The small 9 mm × 11 mm × 2.8 mm, QFN package is • Adjustable Switching Frequency easy to solder onto a printed circuit board and allows (300 kHz to 1 MHz) a compact point-of-load design with greater than 90% • Synchronizes to an External Clock efficiency and excellent power dissipation capability. • Adjustable Slow-Start The TPS84250 offers the flexibility and the feature- set of a discrete point-of-load design and is ideal for • Output Voltage Sequencing and Tracking powering a wide range of ICs and systems. • Power Good Output Advanced packaging technology affords a robust and • Programmable Undervoltage Lockout (UVLO) reliable power solution compatible with standard QFN mounting and testing techniques. • Output Overcurrent Protection • Over Temperature Protection SIMPLIFIED APPLICATION • Pre-bias Output Start-up • Operating Temperature Range: –40°C to 85°C • Enhanced Thermal Performance: 14°C/W • Meets EN55022 Class B Emissions • For Design Help visit http://www.ti.com/TPS84250 APPLICATIONS • Industrial and Motor Controls • Automated Test Equipment • Medical and Imaging Equipment • High Density Power Systems 1 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. PRODUCTION DATA information is current as of publication date. Copyright © 2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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