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전자부품 데이터시트 검색엔진 |
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TPS546C20ARVFT 데이터시트(PDF) 9 Page - Texas Instruments |
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TPS546C20ARVFT 데이터시트(HTML) 9 Page - Texas Instruments |
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9 / 97 page  9 TPS546C20A www.ti.com SLUSCK1A – JULY 2016 – REVISED AUGUST 2016 Product Folder Links: TPS546C20A Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated Electrical Characteristics (continued) TJ = –40°C to 125°C, VPVIN = VAVIN= 12 V, RRT = 40.2 kΩ; zero power dissipation (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VFBOVF Overvoltage fault threshold at FB pin Factory default, at VREF = 600 mV 113 117 121 % VREF VFBUVF Undervoltage fault threshold at FB pin Factory default, at VREF = 600mV 79 83 87 % VREF OUTPUT VOLTAGE TRIMMIN8 VFBRES Resolution of FB steps with VOUT_COMMAND, Trim and Margin 2-9 V VOUT_TRANSIT ION_RATE Output voltage transition rate Factory default setting 1 mV/µs Programmable range, 8 discrete settings 0.067 1.5 Accuracy –10% 10% VOUT_SCALE_L OOP Feedback loop scaling factor Factory default setting 1 Programmable range, 3 discrete settings 0.25 1 VOUT_COMMA ND Output voltage programmable register value, multiply by 2-9 to get output voltage Factor default setting 307 Programmable range VOUT_SCALE_LOOP = 1 179 845 VOUT_SCALE_LOOP = 0.5(1) 358 1690 VOUT_SCALE_LOOP = 0.25(1) 716 2816 TEMPERATURE SENSE AND THERMAL SHUTDOWN TSD Junction thermal shutdown temperature(1) 135 145 160 °C THYST Junction thermal shutdown hysteresis(1) 25 °C OT_FAULT_LIMI T Internal overtemperature fault limit(1) Factory default setting 145 °C Programmable range 120 165 OT_WARN_LIMI T Internal overtemperature warning limit(1) Factory default setting 120 °C Programmable range 100 140 TOT(hys) Internal overtemperature fault, warning hysteresis(1) 15 20 25 °C MEASUREMENT SYSTEM MVOUT(rng) Output voltage measurement range(1) 0 5.8 V MVOUT(acc) Output voltage measurement accuracy DIFFO = 1.2 V –2% 2% % MVOUT(lsb) Output voltage measurement bit resolution(1) 2-9 V MIOUT(rng) Output current measurement range(1) 0 52 A MIOUT(acc) Output current measurement accuracy IOUT ≥ 20 A –15% 15% 3A ≤ IOUT <20 A –3 3 A MIOUT(lsb) Output current measurement bit resolution(1) 62.5 mA MTSNS(rng) Internal temperature sense range(1) -40 165 °C MTSNS(acc) Internal temperature sense accuracy(1) -40°C ≤ TJ ≤ 165°C –5 5 °C MTSNS(lsb) Internal temperature sense bit resolution(1) 1 °C PMBUS INTERFACE VIH(PMBUS) High-level input voltage on PMB_CLK, PMB_DATA, CNTL 1.35 V VIL(PMBUS) Low-level input voltage on PMB_CLK, PMB_DATA, CNTL 0.8 V VhysCNTL Hysteresis on CNTL 170 mV IIH(PMBUS) Input high level current into PMB_CLK, PMB_DATA –10 10 μA IIL(PMBUS) Input low level current into PMB_CLK, PMB_DATA –10 10 μA ICNTL CNTL pin pullup current 5 10 μA VOL(PMBUS) Output low level voltage on PMB_DATA, SMB_ALRT VAVIN > 4.5 V, input current to PMB_DATA, SMB_ALRT = 4 mA 0.4 V IOH(PMBUS) Output high level open drain leakage current into PMB_DATA, SMB_ALRT Voltage on PMB_DATA, SMB_ALRT = 5.5 V 10 μA |
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