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LP2992AIM5-5.0 Datasheet(PDF) 5 Page - Texas Instruments |
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LP2992AIM5-5.0 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 35 page LP2992 www.ti.com SNVS171I – NOVEMBER 2001 – REVISED NOVEMBER 2015 6.4 Thermal Information LP2992 THERMAL METRIC(1) DBV (SOT-23) NGD (WSON)(2) UNIT 5 PINS 6 PINS RθJA (3) Junction-to-ambient thermal resistance 169.7 72.3 °C/W RθJC(top) Junction-to-case (top) thermal resistance, High K 122.6 81.6 °C/W RθJB Junction-to-board thermal resistance 29.9 39.5 °C/W ψJT Junction-to-top characterization parameter 16.7 2.0 °C/W ψJB Junction-to-board characterization parameter 29.4 39.2 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance n/a 11.6 °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. (2) The PCB for the NGD (WSON) package RθJA includes two (2) thermal vias under the exposed thermal pad per EIA/JEDEC JESD51-5. (3) Thermal resistance value RθJA is based on the EIA/JEDEC High-K printed circuit board defined by: JESD51-7 - High Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages. 6.5 Electrical Characteristics Unless otherwise specified: VIN = VOUT(NOM) + 1 V, IL = 1 mA, CIN = 1 µF, COUT = 4.7 µF, VON/OFF = 2 V. MIN (minimum) and MAX (maximum) limits apply over the recommended operating temperature range unless otherwise noted; typical limits apply for TA = TJ = 25°C. LP2992AI-X.X(1) LP2992I-X.X (1) PARAMETER TEST CONDITIONS TYP UNIT MIN MAX MIN MAX IL = 1 mA, TJ = 25°C −1 1 −1.5 1.5 1 mA ≤ IL ≤ 50 mA, TJ = 25°C −1.5 1.5 −2.5 2.5 ΔVOUT Output voltage tolerance 1 mA ≤ IL ≤ 50 mA −2.5 2.5 −3.5 3.5 %VNOM 1 mA ≤ IL ≤ 250 mA, TJ = 25°C −3.5 3.5 −4 4 1 mA ≤ IL ≤ 250 mA −4.5 4.5 −5 5 VOUT(NOM) + 1 V ≤ VIN ≤ 16 V 0.007 0.014 0.014 TJ = 25°C ΔVOUT/ΔVIN Output voltage line regulation %/V VOUT(NOM) + 1 V ≤ VIN ≤ 16 V 0.032 0.032 VIN(min) Minimum input voltage required to maintain output regulation 2.05 2.2 2.2 V IL = 0 mA, TJ = 25°C 0.5 2.5 2.5 IL = 0 mA 4 4 IL = 1 mA, TJ = 25°C 5 9 9 IL = 1 mA 12 12 IL = 50 mA, TJ = 25°C 100 125 125 VIN – VOUT Dropout voltage(2) mV IL = 50 mA 180 180 IL = 150 mA, TJ = 25°C 260 325 325 IL = 150 mA 470 470 IL = 250 mA, TJ = 25°C 450 575 575 IL = 250 mA 850 850 (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) VIN must be the greater of 2.2 V or VOUT(NOM) + dropout voltage to maintain output regulation. Dropout voltage is defined as the input-to- output differential at which the output voltage drops 2% below the value measured with a 1-V differential. Copyright © 2001–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LP2992 |
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