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LP38511-ADJ Datasheet(PDF) 3 Page - Texas Instruments |
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LP38511-ADJ Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 21 page  LP38511-ADJ www.ti.com SNVS545D – JANUARY 2009 – REVISED APRIL 2013 Absolute Maximum Ratings (1) (2) Storage Temperature Range −65°C to +150°C PFM 260°C, 10s Soldering Temperature(3) SO PowerPad 260°C, 10s ESD Rating(4) ±2 kV Power Dissipation(5) Internally Limited Input Pin Voltage (Survival) -0.3V to +6.0V Enable Pin Voltage (Survival) -0.3V to +6.0V Output Pin Voltage (Survival) -0.3V to +6.0V ADJ Pin Voltage (Survival) -0.3V to +6.0V IOUT (Survival) Internally Limited (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but does not ensure specific performance limits. For ensured specifications and conditions, see the Electrical Characteristics. (2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. (3) Refer to JEDEC J-STD-020C for surface mount device (SMD) package reflow profiles and conditions. Unless otherwise stated, the temperatures and times are for Sn-Pb (STD) only. (4) The human body model is a 100 pF capacitor discharged through a 1.5 k Ω resistor into each pin. Test method is per JESD22-A114. (5) Device operation must be evaluated, and derated as needed, based on ambient temperature (TA), power dissipation (PD), maximum allowable operating junction temperature (TJ(MAX)), and package thermal resistance (θJA). The typical θJA ratings given are worst case based on minimum land area on two-layer PCB (EIA/JESD51-3). See POWER DISSIPATION/HEAT-SINKING for details. Operating Ratings (1) Input Supply Voltage, VIN 2.25V to 5.5V Output Voltage, VOUT VADJ to 5V Enable Input Voltage, VEN 0.0V to 5.5V Output Current (DC) 1 mA to 800 mA Junction Temperature(2) −40°C to +125°C (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but does not ensure specific performance limits. For ensured specifications and conditions, see the Electrical Characteristics. (2) Device operation must be evaluated, and derated as needed, based on ambient temperature (TA), power dissipation (PD), maximum allowable operating junction temperature (TJ(MAX)), and package thermal resistance (θJA). The typical θJA ratings given are worst case based on minimum land area on two-layer PCB (EIA/JESD51-3). See POWER DISSIPATION/HEAT-SINKING for details. Electrical Characteristics Unless otherwise specified: VIN= 2.50V, VOUT= VADJ, IOUT= 10 mA, CIN= 10 µF, COUT= 10 µF, VEN= 2.0V. Limits in standard type are for TJ= 25°C only; limits in boldface type apply over the junction temperature (TJ) range of -40°C to +125°C. Minimum and Maximum limits are ensured through test, design, or statistical correlation. Typical values represent the most likely parametric norm at TJ= 25°C, and are provided for reference purposes only. Symbol Parameter Conditions Min Typ Max Units 2.25V ≤ VIN ≤ 5.5V 495.0 505.0 VADJ VADJ Accuracy (1) 500. mV 10 mA ≤ IOUT ≤ 800 mA 490.0 510.0 IADJ ADJ Pin Bias Current 2.25V ≤ VIN ≤ 5.5V - 1 - nA 0.03 ΔVADJ/ΔVIN VADJ Line Regulation (2) (1) 2.25V ≤ VIN ≤ 5.5V - - %/V 0.06 0.10 ΔVADJ/ΔIOUT VADJ Load Regulation (3) (1) 10 mA ≤ IOUT ≤ 800 mA - - %/A 0.20 VDO Dropout Voltage(4) IOUT = 800 mA - - 260 mV (1) The line and load regulation specification contains only the typical number. However, the limits for line and load regulation are included in the output voltage tolerance specification. (2) Line regulation is defined as the change in VADJ from the nominal value due to change in the voltage at the input. (3) Load regulation is defined as the change in VADJ from the nominal value due to change in the load current at the output. (4) Dropout voltage (VDO) is typically defined as the input to output voltage differential (VIN - VOUT) where the input voltage is low enough to cause the output voltage to drop 2%. For the LP38511-ADJ, the minimum operating voltage of 2.25V is the limiting factor when the programed output voltage is less than typically 1.80V. Copyright © 2009–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LP38511-ADJ |
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