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TPS2350PWG4 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS2350PWG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 27 page TPS2350 SLUS574D – JULY 2003 – REVISED OCTOBER 2013 www.ti.com ELECTRICAL CHARACTERISTICS (continued) –VINA = –48 V, –VINB = 0 V, UV = 2.5 V, OV = 0.5 V, SENSE = 0 V, RAMP = 0 V, SOURCE = more negative of –VINA and –VINB, all outputs unloaded, TA = –40°C to 85°C (unless otherwise noted) (1)(2) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Overload Comparator VTH_OL SENSE current overload threshold 100 120 140 mV tRSP Response time SENSE – SOURCE = 200 mV 2 4 7 µs Fault Timer FLTTIM low-level output voltage, to VOL UV = –48 V 5 mV –VINA FLTTIM charging current, current limit ICHG FLTTIM – SOURCE = 2 V –54 –50 –41 µA mode FLTTIM fault threshold voltage to VFLT 3.75 4.00 4.25 SOURCE V VRST Fault reset threshold to SOURCE 0.5 IDSG FLTTIM Discharge current, retry mode FLTTIM – SOURCE = 2 V 0.38 0.75 µA SENSE – SOURCE = 80 mV, D Output duty cycle during retry cycles 1% 1.5% FLTTIM − SOURCE = 2 V FLTTIM discharge current, timer reset FLTTIM − SOURCE = 2 V, IRST 1 mA mode SENSE = 2 V Logic Outputs (FLT, PG) IOHFLT FLT high-level output leakage current UV = –48 V, FLT – SOURCE = 80 V –10 10 µA IOHPG PG high-level output leakage current UV = –45 V, PG – SOURCE = 80 V –10 10 SENSE–SOURCE = 80 mV, RDS(on) FLT ON resistance FLTTIM–SOURCE = 5 V, 50 80 Ω I(FLT) = 1 mA RDS(on) PG ON resistance UV = –48 V, IO(PG) = 1 mA 50 80 Supply Selector VTHA Threshold voltage, –VINA falling –VINB = –48 V, –VINA falling –48.45 –48.40 –48.35 V VTHB Threshold voltage, –VINB falling –VINA = –48 V, –VINB falling –48.45 –48.40 –48.35 –VINA = 0 V, –VINB = –48 V, ISINK GATA sink current 30 80 mA GATA = –41 V –VINA = –48 V, –VINB = –0 V, ISOURCE GATA source current –50 –20 µA GATA = –41 V –VINA = –48 V, –VINB = –0 V, ISINK GATB sink current 30 80 mA GATB = –41 V –VINA = 0 V, –VINB = –48 V, ISOURCE GATB source current –50 –20 µA GATB = –41 V VOLA GATA low voltage to –VINA VINA = 0 V, –VINB = –48 V 0.1 VOLA GATA high voltage to –VINA –VINA = –48 V, –VINB = 0 V 11 14 17 V VOLB GATB low voltage to –VINB –VINA = –48 V, –VINB = 0 V 0.1 VOLB GATB high voltage to –VINB –VINA = 0 V, –VINB = –48 V 11 14 17 4 Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: TPS2350 |
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