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TPS61162 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS61162 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 31 page 6 TPS61162D SLVSC13A – JULY 2013 – REVISED MARCH 2016 www.ti.com Product Folder Links: TPS61162D Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated Electrical Characteristics (continued) VIN = 3.6 V, EN = high, PWM = high, IFB current = 20 mA, minimum and maximum values = TA = –40°C to +85°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (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 must be pulled up by the master with a resistor load. PROTECTION ILIM Switch MOSFET current limit D = Dmax, 0°C to 70°C 1 1.5 2 A ILIM_Start Switch MOSFET start-up current limit D = Dmax 0.7 A tHalf_LIM Time window for half current limit 5 ms VOVP_SW SW pin overvoltage threshold 25 26.5 28 V VOVP_IFB IFBx pin overvoltage threshold Measured on IFBx pin 4.2 4.5 4.8 V VACKNL Acknowledge output voltage low(1) Open drain, Rpullup = 15 kΩ to VIN 0.4 V THERMAL SHUTDOWN Tshutdown Thermal shutdown threshold 160 °C Thys Thermal shutdown hysteresis 15 °C (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. 7.6 EasyScale Timing Requirements MIN 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 × tH_LB 360 µs tH_HB High time of high bit (Logic 1) 2 × 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 |
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