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TPS2592Bx Fiches technique(PDF) 5 Page - Texas Instruments |
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TPS2592Bx Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 34 page Not Recommended for New Designs TPS2592BA, TPS2592BL www.ti.com SLVSCU2 – DECEMBER 2014 8.4 Thermal Information (1) over operating free-air temperature range (unless otherwise noted) TPS2592Bx THERMAL METRIC UNIT DRC (10) PINS RθJA Junction-to-ambient thermal resistance 45.9 RθJCtop Junction-to-case (top) thermal resistance 53 RθJB Junction-to-board thermal resistance 21.2 °C/W ψJT Junction-to-top characterization parameter 1.2 ψJB Junction-to-board characterization parameter 21.4 RθJCbot Junction-to-case (bottom) thermal resistance 5.9 (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 8.5 Electrical Characteristics –40°C ≤ TJ ≤ 125°C, VIN = 5 V, VEN /UVLO = 2 V, RILIM = 100 kΩ, CdVdT = OPEN. All voltages referenced to GND (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN (INPUT SUPPLY) VUVR UVLO threshold, rising 4.15 4.3 4.45 V VUVhyst UVLO hysteresis(1) 5.4% IQON Enabled: EN/UVLO = 2 V 0.4 0.62 0.80 mA Supply current IQOFF EN/UVLO = 0 V 0.1 0.25 mA VIN > 6.75 V, IOUT = 10 mA, 5.5 6.1 6.75 –40 ℃ ≤ TJ ≤ 85℃ VOVC Over-voltage clamp V VIN > 6.75 V, IOUT = 10 mA, 5.25 6.1 6.75 –40 ℃ ≤ TJ ≤ 125℃ EN/UVLO (ENABLE/UVLO INPUT) VENR EN Threshold voltage, rising 1.37 1.4 1.44 V VENF EN Threshold voltage, falling 1.32 1.35 1.39 V IEN EN Input leakage current 0 V ≤ VEN ≤ 5 V –100 0 100 nA dV/dT (OUTPUT RAMP CONTROL) IdVdT dV/dT Charging current(1) VdVdT = 0 V 220 nA RdVdT_disch dV/dT Discharging resistance EN/UVLO = 0 V, IdVdT = 10 mA sinking 50 73 100 Ω VdVdTmax dV/dT Max capacitor voltage(1) 5.5 V GAINdVdT dV/dT to OUT gain(1) ΔVdVdT 4.85 V/V ILIM (CURRENT LIMIT PROGRAMMING) IILIM ILIM Bias current(1) 10 µA RILIM = 45.3 kΩ, VVIN-OUT = 1 V 1.79 2.10 2.42 IOL RILIM = 100 kΩ, VVIN-OUT = 1 V 3.46 3.75 4.03 A RILIM = 150 kΩ, VVIN-OUT = 1 V 4.4 5.2 6 Overload current limit(2) RILIM = 0 Ω, Shorted Resistor Current Limit (Single Point IOL-R-Short 0.7 A Failure Test: UL60950)(1) RILIM = OPEN, Open Resistor Current Limit (Single Point IOL-R-Open 0.55 A Failure Test: UL60950)(1) RILIM = 45.3 kΩ, VVIN-OUT = 5 V 1.72 2.05 2.38 ISCL Short-circuit current limit(2) RILIM = 100 kΩ, VVIN-OUT = 5 V 3.14 3.56 3.98 A RILIM = 150 kΩ, VVIN-OUT = 5 V 4.12 4.86 5.60 Fast-Trip comparator level w.r.t. RATIOFASTRIP IFASTRIP : IOL 160% overload current limit(1) ILIM Open resistor detect VOpenILIM VILIM Rising, RILIM = OPEN 3.1 V threshold(1) (1) These parameters are provided for reference only and do not constitute part of TI's published device specifications for purposes of TI's product warranty. (2) Pulsed testing techniques used during this test maintain junction temperature approximately equal to ambient temperature. Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS2592BA TPS2592BL |
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