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TPS53114 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS53114 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 30 page  TPS53114 www.ti.com SLVS887C – APRIL 2009 – REVISED AUGUST 2014 7.4 Thermal Information TPS53114 THERMAL METRIC(1) UNIT PWP (16 PINS) PW (16 PINS) RθJA Junction-to-ambient thermal resistance 51.2 109.6 RθJC(top) Junction-to-case (top) thermal resistance 33.4 31.2 RθJB Junction-to-board thermal resistance 28.3 54.7 °C/W ψJT Junction-to-top characterization parameter 1.4 0.9 ψJB Junction-to-board characterization parameter 28.1 54.1 RθJC(bot) Junction-to-case (bottom) thermal resistance 4.9 n/a (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 7.5 Electrical Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT VIN current, TA = 25°C, VREG5 tied to IIN VIN supply current 350 600 μA V5FLT, EN = 5V, VFB = 0.8V, SW = 0.5V VIN current, TA = 25°C, No Load , EN = 0V, IVINSDN VIN shutdown current 28 60 μA VREG5 = ON VFB VOLTAGE and DISCHARGE RESISTANCE Bandgap Initial regulation VBG TA = 25°C –1.0% 1.0% accuracy TA = 25°C , FSEL = 0 V, CER = V5FILT 755 765 775 VVFBTHL VFB threshold voltage mV TA = –40°C to 85°C, FSEL = 0V, CER = 752 778 V5FILT TA = 25°C , FSEL = CER = V5FILT 748 758 768 VVFBTHH VFB threshold voltage mV TA = –40°C to 85°C, FSEL = CER = V5FILT 745 771 IVFB VFB input current VFB = 0.8V, TA = 25°C –100 –10 100 nA RDischg Vo discharge resistance EN = 0V, VO = 0.5V, TA = 25°C 40 80 Ω VREG5 OUTPUT TA=25°C, 5.5V < VIN < 24V, 0 < IVREG5 < VVREG5 VREG5 output voltage 4.6 5.0 5.2 V 10mA VLN5 Line regulation 5.5V < VIN < 24V, IVREG5 = 10mA 20 mV VLD5 Load regulation 1mA < IVREG5 < 10mA 40 mV IVREG5 Output current VIN = 5.5V, VVREG5 = 4.0V, TA = 25°C 170 mA OUTPUT: N-CHANNEL MOSFET GATE DRIVERS Source, IDRVH = –100mA 5.5 11 RDRVH DRVH resistance Ω Sink, IDRVH = 100mA 2.5 5 Source, IDRVL = –100mA 4 12 RDRVL DRVL resistance Ω Sink, IDRVL = 100mA 2 4 INTERNAL BST DIODE VFBST Forward voltage VVREG5-VBST, IF = 10mA, TA = 25°C 0.7 0.8 0.9 V IVBSTLK VBST leakage current VBST = 29V, SW = 24V, TA = 25°C 0.1 1 µA SOFT START Issc SS charge current VSS = 0V , SOURCE CURRENT 1.4 2.0 2.6 µA Issd SS discharge current VSS = 0.5V , SINK CURRRENT 100 150 µA UVLO V5FILT rising 3.7 4.0 4.3 VUV5VFILT V5FILT UVLO threshold V Hysteresis 0.2 0.3 0.4 Copyright © 2009–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS53114 |
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