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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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TPS51123RGER Fiches technique(PDF) 5 Page - Texas Instruments |
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TPS51123RGER Fiches technique(HTML) 5 Page - Texas Instruments |
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5 / 33 page  TPS51123 www.ti.com ........................................................................................................................................................................................... SLUS890 – DECEMBER 2008 ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range, VIN = 12 V (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT PROTECTION: CURRENT SENSE ITRIP TRIPx source current VTRIPx = 920 mV, TA= 25°C 9.4 10 10.6 µA TRIPx current temperature TCITRIP On the basis of 25°C 4500 ppm/°C coefficient ((VTRIPx-GND/9)-24 mV -VGND-LLx) voltage, VOCLoff OCP comparator offset -8 0 8 VTRIPx-GND = 920 mV VOCL(max) Maximum OCL setting VTRIPx = 5 V 185 205 225 mV Zero cross detection VZC VGND-LLx voltage -5 0 5 comparator offset VTRIP Current limit threshold VTRIPx-GND voltage (2) 0.515 2 V PROTECTION: UNDERVOLTAGE AND OVERVOLTAGE PROTECTION VOVP OVP trip threshold OVP detect 110% 115% 120% TOVPDEL OVP prop delay 2 µs UVP detect 55% 60% 65% VUVP Output UVP trip threshold Hysteresis 10% TUVPDEL Output UVP prop delay 20 32 40 µs TUVPEN Output UVP enable delay 1.4 2 2.6 ms UNDERVOLTAGE LOCKOUT (UVLO) Wake up 4.1 4.2 4.3 VUVVREG5 VREG5 UVLO threshold Hysteresis 0.38 0.43 0.48 V VUVVREG3 VREG3 UVLO threshold Shutdown (2) VO2-1 THERMAL SHUTDOWN Shutdown temperature (2) 150 TSDN Thermal shutdown threshold °C Hysteresis (2) 10 (2) Ensured by design. Not production tested. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS51123 |
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Description similaire - TPS51123RGER |
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