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TPS40057 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS40057 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 39 page TPS40054, TPS40055, TPS40057 SLUS593I – DECEMBER 2003 – REVISED DECEMBER 2014 www.ti.com 6 Specifications 6.1 Absolute Maximum Ratings over operating free-air temperature range unless otherwise noted (1) UNI MIN MAX T VFB, SS/SD, SYNC –0.3 6 VIN, SW –0.3 45 VIN Input voltage SW, transient < 50 ns –2.5 SW, transient < 50 ns, VVIN < 14 V –5.0 KFF, with IIN(max) = – 5 mA –0.3 11 COMP, RT, SS/SD –0.3 6 VO Output voltage KFF 5 mA IO Output current RT 200 µA TJ Maximum junction temperature (2) 150 °C TJ Operating junction temperature –40 125 Tstg Storage temperature range –55 150 °C (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) Device may shut down at junction temperatures below 150°C. 6.2 Recommended Operating Conditions MIN MAX UNIT VIN Input voltage 8 40 V TA Operating free-air temperature –40 85 °C 6.3 Thermal Information TPS4005x THERMAL METRIC(1) HTSSOP UNIT 16 PINS RθJA Junction-to-ambient thermal resistance 38.3 RθJCtop Junction-to-case (top) thermal resistance 28 RθJB Junction-to-board thermal resistance 9 °C/W ψJT Junction-to-top characterization parameter 0.4 ψJB Junction-to-board characterization parameter 8.9 RθJCbot Junction-to-case (bottom) thermal resistance 2.9 (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 4 Submit Documentation Feedback Copyright © 2003–2014, Texas Instruments Incorporated Product Folder Links: TPS40054 TPS40055 TPS40057 TPS40054: Not Recommended For New Designs |
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