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LP2989ILD-2.5 Datasheet(PDF) 5 Page - Texas Instruments |
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LP2989ILD-2.5 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 34 page LP2989 www.ti.com SNVS083O – FEBRUARY 2005 – REVISED MARCH 2015 6.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT Operating junction temperature –40 125 °C Operating input supply voltage 2.1 16 V 6.4 Thermal Information LP2989 THERMAL METRIC(1) WSON (NGN) SOIC (D) VSSOP (DGK) UNIT 8 PINS 8 PINS 8 PINS RθJA Junction-to-ambient thermal resistance, High-K 34.8 114.5 156.5 RθJC(top) Junction-to-case (top) thermal resistance 28.4 61.1 51.0 RθJB Junction-to-board thermal resistance 12.0 55.6 76.5 °C/W ψJT Junction-to-top characterization parameter 0.2 9.7 4.9 ψJB Junction-to-board characterization parameter 12.2 54.9 75.2 RθJC(bot) Junction-to-case (bottom) thermal resistance 1.3 n/a n/a (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 6.5 Electrical Characteristics Unless otherwise specified: TJ = 25°C, VIN = VOUT(NOM) + 1 V, IOUT = 1 mA, COUT = 4.7 µF, CIN = 2.2 µF, VSD = 2 V. LP2989AI-X.X(1) LP2989I-X.X (1) PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX −0.75 0.75 −1.25 1.25 1 mA < IOUT < 500 mA, VOUT(NOM) + 1 V ≤ VIN ≤ 16 −1.5 1.5 −2.5 2.5 V 1 mA < IOUT < 500 mA, VOUT Output voltage tolerance %VNOM VOUT(NOM) + 1 V ≤ VIN ≤ 16 −4 2.5 −5 3.5 V, –40°C ≤ TJ ≤ 125°C 1 mA < IOUT < 500 mA, VOUT(NOM) + 1 V ≤ VIN ≤ 16 −3.5 2.5 −4.5 3.5 V, −25°C ≤ TJ ≤ 125°C VOUT(NOM) + 1 V ≤ VIN ≤ 16 0.005 0.014 0.005 0.014 V Output voltage line ΔVOUT/ΔVIN %/V regulation VOUT(NOM) + 1 V ≤ VIN ≤ 16 0.005 0.032 0.005 0.032 V, –40°C ≤ TJ ≤ 125°C ΔVOUT/ΔIOUT Load regulation 1 mA < IOUT < 500 mA 0.4 0.4 %VNOM IOUT = 100 µA 1 3 1 3 mV IOUT = 100 µA, –40°C ≤ TJ ≤ 1 4 1 4 125°C IOUT = 200 mA 150 200 150 200 VIN – VOUT Dropout voltage(2) mV IOUT = 200 mA, –40°C ≤ TJ 150 300 150 300 ≤ 125°C IOUT = 500 mA 310 425 310 425 mV IOUT = 500 mA, –40°C ≤ TJ 310 650 310 650 ≤ 125°C (1) Limits are 100% production tested at 25°C. Limits over the operating temperature range are specified through correlation using Statistical Quality Control (SQC) methods. The limits are used to calculate TI’s Average Outgoing Quality Level (AOQL). (2) Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV below the value measured with a 1-V differential. Copyright © 2005–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LP2989 |
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