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TPS544C20RVFR Datasheet(PDF) 10 Page - Texas Instruments |
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TPS544C20RVFR Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 75 page  10 TPS544B20, TPS544C20 SLUSB69B – MAY 2014 – REVISED JULY 2016 www.ti.com Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated Electrical Characteristics (continued) TJ = –40°C to 125°C, VIN = VVDD= 12 V, RRT = 38.3 kΩ; zero power dissipation (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (3) Current sense amplifier gain and offset are production tested. Output current monitoring guaranteed by correlation. OUTPUT VOLTAGE TRIMMING AND MARGINING VFBTM(step) Resolution of FB steps with trim and margin 2 mV tFBTM(step) Transition time per trim or margin step After soft-start time 30 µs VFBTM(max) Maximum FB voltage with trim or margin only 660 mV VFBTM(min) Minimum FB voltage with trim or margin only 480 mV VFBTM(rng) FB voltage range with trim and margin combined 420 660 mV VFBMH Margin high FB pin voltage Factory default settings 660 mV VFBML Margin low FB pin voltage Factory default settings 540 mV TEMPERATURE SENSE AND THERMAL SHUTDOWN TSD Junction shutdown temperature(1) 135 145 155 °C THYST Thermal shutdown hysteresis(1) 20 25 30 °C ITSNS(ratio) Ratio of bias current flowing out of TSNS pin, state 2 to state 1 9.7 10.0 10.3 µA/µA ITSNS State 1 current out of TSNS pin 10 µA ITSNS State 2 current out of TSNS pin 100 µA VTSNS Voltage range on TSNS pin(1) 0 1.00 V TOT(flt) Overtemperature fault limit(1) Factory default settings 150 °C OT fault limit range(1) 120 165 TOT(warn) Overtemperature warning limit(1) Factory default settings 125 °C OT warning limit range(1) 100 140 TOT(step) OT fault, warning step(1) 5 °C TOT(hys) OT fault, warning hysteresis(1) 15 20 25 °C MEASUREMENT SYSTEM MVOUT(rng) Output voltage measurement range 0.5 5.8 V MVOUT(acc) Output voltage measurement accuracy –2.0% 2.0% MVOUT(lsb) Output voltage measurement bit resolution 1.95 mV MIOUT(acc) Output current measurement accuracy(3) IOUT ≥ 20 A, -40 ≤ TA ≤ 85°C -15% +15% 3 A ≤ IOUT < 20 A, –40 ≤ TA ≤ 85°C -3 +3 A MIOUT(lsb) Output current measurement bit resolution(1) 62.5 mA MTSNS(rng) External temperature sense range(1) -40 165 °C MTSNS(acc) External temperature sense accuracy(1) -40°C ≤ TJ(sensor) ≤ 165°C -8 8 °C MTSNS(lsb) External temperature sense bit resolution(1) 1.238 °C PMBus INTERFACE ADDRESSING IADD Address pin bias current 8.23 9.75 11.21 µA VADD(rng) Address pin legal address voltage range 0.08 2.35 V |
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