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TPS53624RHAR Datasheet(PDF) 5 Page - Texas Instruments |
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TPS53624RHAR Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 44 page  TPS53624 www.ti.com SLUSB66 – MARCH 2013 ELECTRICAL CHARACTERISTICS (continued) over recommended free-air temperature range, VV5FILT = VV5IN = 5.0 V, GFB = PGND = GND, VVFB = VOUT (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OVERSHOOT REDUCTION (OSR) THRESHOLD SETTING VOSRSEL = GND 78 106 135 VOSRSEL = REF 111 140 174 VOSR OSR voltage set mV VOSRSEL = 3.3 V 151 186 224 VOSRSEL = V5FILT OFF VOSRHYS OSR voltage Hysteresis(2) All settings 20 mV TIMERS: SLEW RATE, SLEW, ON-TIME AND I/O TIMING ISLEW 1 RSLEW to GND current RSLEW = 125 kΩ from SLEW to GND 9.9 10 10.2 μA ISLEW 2 RSLEW to VREF current RSLEW = 45 kΩ from VREF to SLEW 9.5 10.2 10.8 μA ISLEW = |10 μA|, No Faults, Time from EN tSTARTUP VFB startup time 0.60 0.80 0.90 ms to VSNS = VBOOT – 12% SLSTRT VFB slew soft-start ISLEW = |10 μA|, EN goes HI (soft-start) 1.3 1.6 1.9 mV/ μs SR VFB slew rate ISLEW = |10 μA| 10 12.5 15 mV/ μs tPGDPO PGD power-on delay time Time from PG going low to PG going high 0.4 0.7 1 ms Time from VFB out of +300 mV VDAC boundary to PGOOD tPGDDGLTO PGD deglitch time 40 74 100 μs low Time from VFB out of –300 mV VDAC boundary to PGOOD tPGDDGLTU PGD deglitch time 50 105 150 μs low VTON = GND, VLLx = 12 V, VVFB = 1 V 315 400 465 VTON = VREF, VLLx = 12 V, VVFB = 1 V 215 260 300 tTON On-time control ns VTON = 3.3 V, VLLx = 12 V, VVFB = 1 V 170 200 230 VTON = VV5FILT, VLLx = 12 V, VVFB = 1 145 170 190 tMIN Controller minimum OFF time Fixed value 70 102 125 ns tVIDDBNC VID debounce time(2) 100 ns tPSIDBNC PCNT debounce Time(2) 100 ns tVCCVID VID change to VFB Change(2) 600 ns tVRONPGD EN low to PGD low 20 74 100 ns tPGDVCC PGD low to VFB change(2) 100 ns tVRTDGLT THAL deglitch time 0.3 1 3 ms PROTECTION: OVP, PGOOD, VR, VR_TT FAULTS OFF AND INTERNAL THERMAL SHUTDOWN VOVPH Fixed OVP voltage VFB > VOVPH for 1 μs, DRVL turns ON 1.6 1.8 V Measured at the VFB pin wrt / VID code, device latches VPGDH PGD high threshold 180 258 mV OFF, begins soft-stop Measured at the VFB pin wrt / VID code, device latches off, VPGDL PGD low threshold –367 –273 mV begins soft-stop VTHRM Thermal shutdown voltage Measured at THERM; THAL goes LO 0.69 0.75 0.81 V ITHRM THERM current Measure ITHERM to GND 57.5 61 67.5 μA VNOFLT All faults OFF THRM > V5FILT + VTH; not latched 4.75 4.9 5 V Internal controller thermal THINT Latch off controller 160 °C shutdown(2) (2) Specified by design. Not production tested. Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS53624 |
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