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REF35 数据表(PDF) 5 Page - Texas Instruments |
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REF35 数据表(HTML) 5 Page - Texas Instruments |
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5 / 35 page  7.5 Electrical Characteristics At VIN = VREF + 0.5 V, VEN = VIN, CL = 10 µF, CIN = 0.1 µF, IL = 0 mA, minimum and maximum specifications at TA = –40℃ to 125 ℃, typical specifications TA = 25℃; unless otherwise noted PARAMETER TEST CONDITION MIN TYP MAX UNIT ACCURACY AND DRIFT Output voltage accuracy TA = 25℃ –0.05 0.05 % Output voltage temperature coefficient –40 ℃ ≤ TA ≤ 105℃ 12 ppm/ ℃ LINE AND LOAD REGULATION ΔVREF/ ΔVIN Line regulation VREF < 2.5 V; VIN = VREF + VDO to VINMAX;–40℃ ≤ TA ≤ 105℃ 40 160 ppm/V VREF ≥ 2.5 V; VIN = VREF + VDO to VINMAX;–40℃ ≤ TA ≤ 105℃ 40 120 ppm/V ΔVREF/ΔIL Load regulation IL = 0 mA to 10 mA, VIN = VREF + VDO Source 20 60 ppm/mA IL = 0 mA to 5 mA, VIN = VREF + VDO Sink 40 350 ppm/mA POWER SUPPLY VIN Input voltage (1) VREF + VDO 6 V IQ Quiescent current Active mode TA = 25℃ 0.65 0.9 µA –40 ℃ ≤ TA ≤ 85℃ 1.3 –40 ℃ ≤ TA ≤ 125℃ 2.6 Shutdown mode TA = 25℃ 0.1 –40 ℃ ≤ TA ≤ 125℃ 0.5 VEN Enable pin voltage Active mode (EN = 1 or Float) 0.7 x VIN V Shutdown mode (EN = 0) 0.3 x VIN IEN Enable pin current VEN = VIN 0.05 0.1 uA VDO Dropout voltage IL = 5 mA 120 mV IL = 10 mA 250 ISC Short circuit current, Sourcing VREF = 0 V, TA = 25℃ 33 mA ISC Short circuit current, Sinking VREF = VIN V, TA = 25℃ 21 mA TURN-ON TIME tON Turn-on time (2) 0.1% settling, CL = 1 µF, VREF = 2.5 V 2 ms NOISE en Output voltage noise ƒ = 10 Hz to 1 kHz, CL = 1 µF 0.7 ppmrms enp-p Low-frequency noise ƒ = 0.1 Hz to 10 Hz, VREF ≥ 2.5 V 3.8 ppmp-p ƒ = 0.1 Hz to 10 Hz, VREF < 2.5 V 3.3 ppmp-p HYSTERESIS AND LONG-TERM STABILITY Long-term stability 0 to 1000h at 35°C 40 ppm Output voltage hysteresis 25°C, –40°C, 105°C, 25°C (cycle 1) 70 ppm Output voltage hysteresis 25°C, –40°C, 105°C, 25°C (cycle 2) 20 ppm Output voltage hysteresis 25°C, –40°C, 85°C, 25°C (cycle 1) 50 ppm Output voltage hysteresis 25°C, –40°C, 85°C, 25°C (cycle 2) 13 ppm STABLE CAPACITANCE RANGE Input capacitor range 0.1 µF www.ti.com REF35 SNAS809A – DECEMBER 2021 – REVISED AUGUST 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 5 Product Folder Links: REF35 |
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