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TPS51727RHAR Datasheet(PDF) 5 Page - Texas Instruments |
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TPS51727RHAR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 42 page TPS51727 www.ti.com .............................................................................................................................................................. SLUS806A – APRIL 2008 – REVISED MAY 2008 ELECTRICAL CHARACTERISTICS (continued) over recommended free-air temperature range, V5IN = V5FILT = 5.0 V GFB = PGND = GND, VFB = VOUT (Unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER MONITOR VPWRLK Leakage Level Power Output VDAC = 0.5 V, ΣΔCS = 5 mV 125 280 mV VPWRLO Low Level Power Output VDAC = 1 V, ΣΔCS = 10 mV 180 500 750 mV VPWRMID Mid Level Power Output VDAC = 1.2 V, ΣΔCS = 20 mV 0.75 1.10 1.41 V VPWRHI High Level Power Output VDAC = 1.2875 V, ΣΔCS = 40 mV 1.92 2.25 2.56 V KPWR Gain Factor 47.6 V/V IPWRSRC Power Monitor Source VPWR – 30 mV 800 900 1100 µA IPWRSNK Power Monitor Sink VPWR + 30 mV 130 200 250 µA DRIVERS: HIGH SIDE, LOW SIDE, CROSS CONDUCTION PREVENTION AND BOOST RECTIFIER VBSTx – LLx = 5 V, HI State, VBST – VDRVH = 0.25 V 1.2 2.5 RDRVH DRVH On Resistance Ω VBSTx – LLx = 5V, LO State, VDRVH – VLL = 0.25 V 0.8 2.5 DRVHx =2.5 V, VBSTx – LLx = 5 V, Src 2.2 IDRVH DRVH Sink/Source Current(1) A DRVHx =2.5 V, VBSTx – LLx = 5 V, Snk 2.2 21 40 TDRVH DRVH Transition Time DRVHx 10% to 90% or 90% to 10%, CDRVHx = 3 nF ns 15 40 HI State, V5IN – VDRVL = 0.25 V 0.9 2 RDRVL DRVL On Resistance Ω LO State, VDRVL – PGND = 0.25 V 0.4 1 DRVLx = 2.5 V, Source 2.7 IDRVL DRVL Sink/Source Current(1) A DRVLx = 2.5 V, Sink 8 DRVLx 90% to 10%, CDRVLx = 3 nF 10 35 TDRVL DRVL Transition Time ns DRVLx 10% to 90%, CDRVLx = 3 nF 20 35 LLx falls to 1V to DRVLx rises to 1 V 10 23 35 TNONOVLP Driver Non Overlap Time ns DRVLx falls to 1V to DRVHx rises to 1 V 15 30 43 VFBST BST Rectifier Forward Voltage V5IN – VBST, IF = 5 mA, TA = 25°C 0.6 0.7 0.8 V IBSTLK BST Rectifier Leakage Current VVBST = 34 V, VLL = 28 V 0.1 1 µA OVERSHOOT REDUCTION (OSR) THRESHOLD SETTING OSRSEL = GND 75 110 140 OSRSEL = REF 105 145 180 VOSR OSR Voltage Set mV OSRSEL = 3.3 V 145 190 235 OSRSEL = V5FILT OFF VOSRHYS OSR Voltage Hysteresis(1) All settings 20 mV (1) Ensured by design. Not production tested. Copyright © 2008, Texas Instruments Incorporated 5 Product Folder Link(s): TPS51727 |
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