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REF5040A Datasheet(PDF) 4 Page - Texas Instruments |
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REF5040A Datasheet(HTML) 4 Page - Texas Instruments |
4 / 19 page REF5020-Q1, REF5025-Q1, REF5030-Q1 REF5040-Q1, REF5045-Q1, REF5050-Q1 SBOS456F – SEPTEMBER 2008 – REVISED SEPTEMBER 2011 www.ti.com ELECTRICAL CHARACTERISTICS: ALL DEVICES Boldface limits apply over the specified temperature range, TA = –40°C to 125°C. TA = 25°C, ILOAD = 0, CL = 1 μF, VIN = (VOUT + 0.2 V) to 18 V (unless otherwise noted). REF50xx PARAMETER CONDITIONS MIN TYP MAX UNIT OUTPUT VOLTAGE TEMPERATURE DRIFT Output voltage temperature drift dVOUT/dT High grade 2.5 3 ppm/ °C Standard grade 3 8 ppm/ °C LINE REGULATION Line regulation dVOUT/dVIN REF5020(1) only VIN = 2.7 V to 18 V 0.1 1 ppm/V All other devices VIN = VOUT + 0.2 V 0.1 1 ppm/V Over temperature 0.2 1 ppm/V LOAD REGULATION Load regulation dVOUT/dILOAD –10 mA < ILOAD < +10 mA REF5020 Only VIN = 3 V 20 30 ppm/mA All other devices VIN = VOUT + 0.75 V 20 30 ppm/mA Over temperature 50 ppm/mA SHORT-CIRCUIT CURRENT Short-circuit current ISC VOUT = 0 V 25 mA THERMAL HYSTERESIS (2) High-Grade MSOP-8 Cycle 1 10 ppm Standard-Grade MSOP-8 Cycle 1 30 ppm High-Grade SO-8 Cycle 1 5 ppm Standard-Grade SO-8 Cycle 1 10 ppm High-Grade MSOP-8 Cycle 2 5 ppm Standard-Grade MSOP-8 Cycle 2 10 ppm High-Grade SO-8 Cycle 2 3 ppm Standard-Grade SO-8 Cycle 2 5 ppm LONG-TERM STABILITY MSOP-8 0 to 1000 hours 50 ppm/1000 hr MSOP-8 1000 to 2000 hours 5 ppm/1000 hr SO-8 0 to 1000 hours 90 ppm/1000 hr SO-8 1000 to 2000 hours 10 ppm/1000 hr TEMP PIN Voltage output At TA = 25°C 575 mV Temperature sensitivity 2.64 mV/ °C TURN-ON SETTLING TIME Turn-on settling time To 0.1% with CL = 1 μF 200 μs POWER SUPPLY Supply voltage VS See Note (1) VOUT + 0.2 (1) 18 V Quiescent current 0.8 1 mA Over temperature 1.2 mA TEMPERATURE RANGE Specified range –40 125 °C Operating range –55 125 °C Thermal resistance θJA SO-8 150 °C/W (1) For VOUT ≤ 2.5 V, the minimal supply voltage is 2.7 V. (2) The thermal hysteresis procedure is explained in more detail in the Application Information section. 4 Submit Documentation Feedback Copyright © 2008–2011, Texas Instruments Incorporated |
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