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TPS51220ARTVT Datasheet(PDF) 6 Page - Texas Instruments |
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TPS51220ARTVT Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 51 page  TPS51220A SLUS897E – DECEMBER 2008 – REVISED JANUARY 2013 www.ti.com ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range, VEN = 3.3 V, VVIN = 12 V, VV5SW = 5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CURRENT SENSE RTV package, 28 31 35 TA = 0 to 85°C TRIP=0V/ 2V, 2V<CSNx<12.6V RSN package , 28 31 34 TA = 0 to 85°C Current limit threshold VOCL-ULV mV (ultra-low voltage) TA = –40 to 85°C 27 31 37 TA = 0 to 85°C 27 31 36 TRIP=0V/ 2V, 0.95V<CSNx<12.6V TA = –40 to 85°C 25 31 42 TA = 0 to 85°C 56 60 65 TRIP=3.3V/ 5V, 2V<CSNx<12.6V TA = –40 to 85°C 55 60 68 Current limit threshold VOCL-LV mV (low voltage) TA = 0 to 85°C 55 60 67 TRIP=3.3V/ 5V, 0.95V<CSNx<12.6V TA = –40 to 85°C 54 60 72 Positive 5 VZCAJ Auto-Zero cross adjustable offset range 0.95V < CSNx < 12.6V, Auto-skip mV Negative –5 VZC Zero cross detection comparator Offset 0.95V < CSNx < 12.6V, OOA –4 0 4 mV TA = 0 to 85°C –23 –31 –40 Negative current limit threshold TRIP = 0V/2V, 0.95V < CSNx < VOCLN-ULV (ultra-low voltage) 12.6V TA = –40 to 85°C –22 –31 –44 mV TA = 0 to 85°C –50 –60 –73 Negative current limit threshold TRIP = 3.3V/5V, 0.95V < CSNx < VOCLN-LV (low voltage) 12.6V TA = –40 to 85°C –49 –60 –77 OUTPUT DRIVERS Source, V(VBST-DRVH) = 0.1 V 1.7 5 RDRVH DRVH resistance Ω Sink, V(DRVH-SW) = 0.1 V 1 3 Source, V(VREG5-DRVL) = 0.1 V 1.3 4 RDRVL DRVL resistance Ω Sink, V(DRVL-GND) = 0.1 V 0.7 2 UVP, OVP AND UVLO VOVP OVP Trip Threshold OVP detect 110% 115% 120% tOVPDLY OVP Prop Delay 1.5 μs VUVP UVP Trip Threshold UVP detect 65% 70% 73% tUVPDLY UVP Delay 0.8 1 1.2 ms Wake up 1.7 1.8 1.9 V VUVREF2 VREF2 UVLO Threshold Hysteresis 75 100 125 mV Wake up 3 3.1 3.2 VUVREG3 VREG3 UVLO Threshold V Hysteresis 0.10 0.15 0.20 Wake up 4.1 4.2 4.3 V VUVREG5 VREG5 UVLO Threshold Hysteresis 0.35 0.40 0.44 V 6 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated Product Folder Links :TPS51220A |
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