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TPS51518 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS51518 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 35 page TPS51518 www.ti.com SLUSAO8 – DECEMBER 2011 ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range, VV5IN= 5 V, VMODE= 5 V, VEN= 3.3 V (unless otherwise noted) PARAMETER TEST CONDITION MIN TYP MAX UNIT PGOOD COMPARATOR PGOOD in from higher 108% PGOOD in from lower 92% VPGTH PGOOD threshold PGOOD out to higher 116% PGOOD out to lower 84% IPG PGOOD sink current VPGOOD = 0.5 V 6.0 mA Delay for PGOOD in 1 ms tPGDLY PGOOD delay time Delay for PGOOD out 0.2 μs tPGCMPSS PGOOD start-up delay time PGOOD comparator wake up delay 1.5 ms IPGLK PGOOD leakage current –1 0 1 μA CURRENT DETECTION ITRIP TRIP source current TA = 25°C, VTRIP = 0.4 V 9 10 11 μA TRIP source current temperature TCITRIP 4700 ppm/ °C coefficient(1) VTRIP VTRIP voltage range 0.2 3 V VTRIP = 3.0 V 360 375 390 VOCL Current limit threshold VTRIP = 1.6 V 190 200 210 mV VTRIP = 0.2 V 20 25 30 VTRIP = 3.0 V –390 –375 –360 VOCLN Negative current limit threshold VTRIP = 1.6 V –212 –200 –188 mV VTRIP = 0.2 V –30 –25 –20 VZC Zero cross detection offset 0 mV PROTECTIONS Wake-up 4.3 4.4 4.6 VUVLO V5IN UVLO threshold voltage V Shutdown 3.8 4.0 4.2 VOVP OVP threshold voltage OVP detect voltage 118% 120% 122% tOVPDLY OVP propagation delay With 100-mV overdrive 300 ns VUVP UVP threshold voltage UVP detect voltage 66% 68% 70% tUVPDLY UVP delay 1 ms tUVPENDLY UVP enable delay 1.4 ms THERMAL SHUTDOWN Shutdown temperature 140 TSDN Thermal shutdown threshold(1) °C Hysteresis 10 (1) Ensured by design. Not production tested. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s) :TPS51518 |
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