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TPS51220A-Q1 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS51220A-Q1 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 50 page TPS51220A-Q1 www.ti.com SLUSAI2 – MARCH 2011 ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range, EN = 3.3V, VIN = 12V, V5SW = 5V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CURRENT SENSE RTV package, 28 31 35 TA = 0 to 105°C RSN TRIP=0V/ 2V, 2V <CSNx<12.6V package , 28 31 34 TA = 0 to 105°C Current limit threshold VOCL-ULV mV (ultra-low voltage) TA = –40 to 27 31 37 105 °C TA = 0 to 105°C 27 31 36 TRIP=0V/ 2V, 0.95V <CSNx<12.6V TA = –40 to 25 31 42 105 °C TA = 0 to 105°C 56 60 65 TRIP=3.3V/ 5V, 2V <CSNx<12.6V TA = –40 to 55 60 68 105 °C Current limit threshold VOCL-LV mV (low voltage) TA = 0 to 105°C 55 60 67 TRIP=3.3V/ 5V, TA = –40 to 0.95V <CSNx<12.6V 54 60 72 105 °C 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 –5 0 4 mV TA = 0 to 105°C –23 –31 –40 Negative current limit threshold TRIP = 0V/2V, 0.95V < CSNx < VOCLN-ULV TA = –40 to (ultra-low voltage) 12.6V –22 –31 –44 105 °C mV TA = 0 to 105°C –50 –60 –73 Negative current limit threshold TRIP = 3.3V/5V, 0.95V < CSNx < VOCLN-LV TA = –40 to (low voltage) 12.6V –49 –60 –77 105 °C 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 Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s) :TPS51220A-Q1 |
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