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TPS61163AYFFR Fiches technique(PDF) 6 Page - Texas Instruments |
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TPS61163AYFFR Fiches technique(HTML) 6 Page - Texas Instruments |
6 / 35 page TPS61162A, TPS61163A SLVSC26A – NOVEMBER 2013 – REVISED JUNE 2015 www.ti.com Electrical Characteristics (continued) VIN = 3.6 V, EN = high, PWM = high, IFB current = 20 mA, TJ = –40°C to 125°C, typical values are at TJ = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PROTECTION ILIM Switch MOSFET current limit D = Dmax, 0°C to 70°C 1 1.5 2 A Switch MOSFET start-up current ILIM_Start D = Dmax 0.7 A limit tHalf_LIM Time window for half current limit 5 ms TPS61162A 25 26.5 28 VOVP_SW SW pin overvoltage threshold V TPS61163A 36 37.5 39 VOVP_IFB IFBx pin overvoltage threshold Measured on IFBx pin 4.2 4.5 5 V Acknowledge output voltage low VACKNL Open drain, Rpullup = 15 kΩ to 0.4 V VIN (1) THERMAL SHUTDOWN Tshutdown Thermal shutdown threshold 160 °C Thys Thermal shutdown hysteresis 15 °C (1) Acknowledge condition active 0, this condition is only applied when the RFA bit is set to 1. To use this feature, master must have an open drain output, and the data line needs to be pulled up by the master with a resistor load. 6.6 EasyScale Timing Requirements MIN NOM MAX UNIT tes_delay EasyScale detection delay, measured from EN low to high 100 µs tes_det EasyScale detection time, EN pin low time 260 µs tes_win EasyScale detection window, easured from EN low to high(1) 1 ms tstart Start time of program stream 2 µs tEOS End time of program stream 2 360 µs tH_LB High time of low bit (Logic 0) 2 180 µs tL_LB Low time of low bit (Logic 0) 2 x tH_LB 360 µs tH_HB High time of high bit (Logic 1) 2 x tL_HB 360 µs tL_HB Low time high bit (Logic 1) 2 180 µs tvalACKN Acknowledge valid time 2 µs tACKN Duration of acknowledge condition 512 µs (1) To select EasyScale interface, after tes_delay delay from EN low to high, drive EN pin to low for more than tes_det before tes_win expires. 6 Submit Documentation Feedback Copyright © 2013–2015, Texas Instruments Incorporated Product Folder Links: TPS61162A TPS61163A |
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