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TPS62743 Fiches technique(PDF) 5 Page - Texas Instruments |
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TPS62743 Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 25 page 5 TPS62743, TPS627431 www.ti.com SLVSCQ0A – JUNE 2015 – REVISED MAY 2016 Product Folder Links: TPS62743 TPS627431 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. 8.4 Thermal Information THERMAL METRIC(1) TPS62743 UNIT YFP 8 PINS RθJA Junction-to-ambient thermal resistance 103 °C/W RθJCtop Junction-to-case (top) thermal resistance 1.0 °C/W RθJB Junction-to-board thermal resistance 20 °C/W ψJT Junction-to-top characterization parameter 0.3 °C/W ψJB Junction-to-board characterization parameter 20 °C/W RθJCbot Junction-to-case (bottom) thermal resistance N/A °C/W 8.5 Electrical Characteristics VIN = 3.6V, TA = –40°C to 85°C typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY IQ Operating quiescent current EN = VIN, IOUT = 0µA, VOUT = 1.8V, device not switching 360 1800 nA EN = VIN, IOUT = 0mA, VOUT = 1.8V , device switching 460 ISD Shutdown current EN = GND, shutdown current into VIN 70 1000 nA VTH_ UVLO+ Undervoltage lockout threshold Rising VIN 2.075 2.15 V VTH_UVLO- Falling VIN 1.925 2 INPUTS (EN, VSEL1-3 ) VIH TH High level input threshold 2.2V ≤ VIN ≤ 5.5V 1.1 V VIL TH Low level input threshold 2.2V ≤ VIN ≤ 5.5V 0.4 V IIN Input bias Current 10 25 nA POWER SWITCHES RDS(ON) High side MOSFET on- resistance IOUT = 50mA 0.45 1.12 Ω Low Side MOSFET on- resistance 0.22 0.65 ILIMF High side MOSFET switch current limit TPS62743 3.0V ≤ VIN ≤ 5.5V 480 600 720 mA TPS627431 3.0V ≤ VIN ≤ 5.5V 590 650 800 Low side MOSFET switch current limit TPS62743 600 TPS627431 650 OUTPUT VOLTAGE DISCHARGE RDSCH_VOS MOSFET on- resistance EN = GND, IVOS = -10mA into VOS pin 30 65 Ω IIN_VOS Bias current into VOS pin EN = VIN, VOUT = 2V 40 1010 nA |
Numéro de pièce similaire - TPS62743_16 |
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Description similaire - TPS62743_16 |
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