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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TPS55340RTET Fiches technique(PDF) 4 Page - Texas Instruments |
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TPS55340RTET Fiches technique(HTML) 4 Page - Texas Instruments |
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4 / 31 page  TPS55340 SLVSBD4 – MAY 2012 www.ti.com ABSOLUTE MAXIMUM RATINGS (1) over operating temperature range (unless otherwise noted) VALUE UNIT MIN MAX Supply voltages on pin VIN(2) –0.3 34 V Voltage on pin EN(2) –0.3 34 V Voltage on pins FB, FREQ, and COMP(2) –0.3 3 V Voltage on pin SS(2) –0.3 5 V Voltage on pin SYNC(2) –0.3 7 V Voltage on pin SW(2) –0.3 40 V Operating junction temperature range –40 150 °C Storage temperature range –65 150 °C (HBM) QSS 009-105 (JESD22-A114A) 2 kV Electrostatic discharge (CDM) QSS 009-147 (JESD22-C101B 01) 500 V (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) All voltage values are with respect to network ground terminal THERMAL INFORMATION TPS55340 THERMAL METRIC(1) UNITS QFN (16-PINS) θJA Junction-to-ambient thermal resistance 43.3 θJCtop Junction-to-case (top) thermal resistance 38.7 θJB Junction-to-board thermal resistance 14.5 °C/W ψJT Junction-to-top characterization parameter 0.4 ψJB Junction-to-board characterization parameter 14.5 θJCbot Junction-to-case (bottom) thermal resistance 3.5 space (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. RECOMMENDED OPERATING CONDITIONS MIN NOM MAX UNIT VIN Input voltage range 2.9 32 V VOUT Output voltage range VIN 38 V VEN EN voltage range 0 32 V VSYN External switching frequency logic input range 0 5 V TA Operating free-air temperature –40 125 °C TJ Operating junction temperature –40 150 °C ELECTRICAL CHARACTERISTICS Vin=5V, TJ = –40°C to +150°C, unless otherwise noted. Typical values are at TA = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT VIN Input voltage range 2.9 32 V IQ Operating quiescent current into Vin Device non-switching, VFB = 2 V 0.5 mA ISD Shutdown current EN = GND 2.7 10 µA VUVLO Under-voltage lockout threshold VIN falling 2.5 2.7 V Vhys Under-voltage lockout hysteresis 120 140 160 mV 4 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Link(s) :TPS55340 |
Numéro de pièce similaire - TPS55340RTET |
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Description similaire - TPS55340RTET |
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