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REF2033 数据表(PDF) 5 Page - Texas Instruments |
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REF2033 数据表(HTML) 5 Page - Texas Instruments |
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5 / 37 page ![]() 7.5 Electrical Characteristics At TA = 25°C, IL = 0 mA, and VIN = 5 V, unless otherwise noted. Both VREF and VBIAS have the same specifications. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ACCURACY AND DRIFT Output voltage accuracy –0.05% 0.05% Output voltage temperature coefficient(1) –40°C ≤ TA ≤ 125°C ±3 ±8 ppm/°C VREF and VBIAS tracking over temperature(2) –40°C ≤ TA ≤ 85°C ±1.5 ±6 ppm/°C –40°C ≤ TA ≤ 125°C ±2 ±7 LINE AND LOAD REGULATION ΔVO(ΔVI) Line regulation VREF + 0.02 V ≤ VIN ≤ 5.5 V 3 35 ppm/V ΔVO(ΔIL) Load regulation Sourcing 0 mA ≤ IL ≤ 20 mA , VREF + 0.6 V ≤ VIN ≤ 5.5 V 8 20 ppm/mA Sinking 0 mA ≤ IL ≤ –20 mA, VREF + 0.02 V ≤ VIN ≤ 5.5 V 8 20 POWER SUPPLY ICC Supply current Active mode 360 430 µA –40°C ≤ TA ≤ 125°C 460 Shutdown mode 3.3 5 –40°C ≤ TA ≤ 125°C 9 Enable voltage Device in shutdown mode (EN = 0) 0 0.7 V Device in active mode (EN = 1) VIN – 0.7 VIN Dropout voltage 10 20 mV IL = 20 mA 600 ISC Short-circuit current 50 mA ton Turn-on time 0.1% settling, CL = 1 µF 500 µs NOISE Low-frequency noise(3) 0.1 Hz ≤ f ≤ 10 Hz 12 ppmPP Output voltage noise density f = 100 Hz 0.25 ppm/√ Hz CAPACITIVE LOAD Stable output capacitor range 0 10 µF HYSTERESIS AND LONG TERM STABILITY Long-term stability(4) 0 to 1000 hours 25 ppm Output voltage hysteresis(5) 25°C, –40°C, 125°C, 25°C Cycle 1 60 ppm Cycle 2 35 (1) Temperature drift is specified according to the box method. See the Section 9.3 section for more details. (2) The VREF and VBIAS tracking over temperature specification is explained in more detail in the Section 9.3 section. (3) The peak-to-peak noise measurement procedure is explained in more detail in the Section 8.4 section. (4) Long-term stability measurement procedure is explained in more in detail in the Section 8.2 section. (5) The thermal hysteresis measurement procedure is explained in more detail in the Section 8.3 section. www.ti.com REF2025, REF2030, REF2033, REF2041 SBOS600E – JULY 2018 – REVISED FEBRUARY 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 5 Product Folder Links: REF2025 REF2030 REF2033 REF2041 |
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