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TPS53114PWP Datasheet(PDF) 5 Page - Texas Instruments |
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TPS53114PWP Datasheet(HTML) 5 Page - Texas Instruments |
5 / 27 page TPS53114 www.ti.com SLVS887B – APRIL 2009 – REVISED OCTOBER 2010 ELECTRICAL CHARACTERISTICS (continued) over recommended free-air temperature range, VIN = 12 V (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT ON-TIME TIMER CONTROL TONL On Time SW = 12V, VO = 1.8V, FSEL = 0V 390 ns TONH On Time SW = 12V, VO = 1.8V, FSEL = V5FILT 139 ns TOFFL Min off time SW = 0.7V, TA = 25°C, VFB = 0.7V, FSEL = 0V 285 ns TOFFH Min off time SW = 0.7V, TA = 25°C, VFB = 0.7V, FSEL = V5FILT 216 ns SOFT START Issc SS charge current VSS = 0V , SOURCE CURRENT 1.4 2.0 2.6 mA Issd SS discharge current VSS = 0.5V , SINK CURRRENT 100 150 mA UVLO V5FILT rising 3.7 4.0 4.3 V VUV5VFILT V5FILT UVLO threshold Hysteresis 0.2 0.3 0.4 LOGIC THRESHOLD VENH EN H-level threshold voltage EN 2.0 V VENL EN L-level threshold voltage EN 0.3 V CURRENT SENSE ITRIP TRIP source current VTRIP = 0.1V, TA = 25°C 8.5 10 11.5 mA TCITRIP ITRIP temperature coefficient on the basis of 25°C 4000 ppm/°C (VTRIP-GND-VPGND-SW) voltage, –10 0 10 mV VTRIP-GND = 60mV, TA = 25°C VOCLoff OCP compensation offset (VTRIP-GND-VPGND-SW) voltage, –15 15 mV VTRIP-GND = 60mV VRtrip Current limit threshold setting VTRIP-GND voltage 30 200 mV range OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION VOVP Output OVP trip threshold OVP detect 110 115 120 % TOVPDEL Output OVP prop delay 1.5 ms UVP detect 65 70 75 % VUVP Output UVP trip threshold Hysteresis (recovery <20ms) 10 % TUVPDEL Output UVP delay 17 30 40 ms TUVPEN Output UVP enable delay UVP enable delay / soft start time X1.4 X1.7 X2.0 THERMAL SHUTDOWN Shutdown temperature(1) 150 °C TSDN Thermal shutdown threshold Hysteresis(1) 20 (1) Ensured by design. Not production tested. Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s) :TPS53114 |
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