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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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LM2750LDX-ADJ Fiches technique(PDF) 3 Page - Texas Instruments |
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LM2750LDX-ADJ Fiches technique(HTML) 3 Page - Texas Instruments |
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3 / 24 page  LM2750 www.ti.com SNVS180L – APRIL 2002 – REVISED MAY 2013 This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. Absolute Maximum Ratings (1) (2) (3) VIN Pin: Voltage to Ground −0.3V to 6V SD Pin: Voltage to GND −0.3V to (VIN+0.3V) Junction Temperature (TJ-MAX-ABS) 150°C Continuous Power Dissipation(1) Internally Limited Maximum Output Current (2) 175mA Storage Temperature Range −65°C to 150°C Maximum Lead Temperature (Soldering, 5 sec.) 260°C ESD Rating (3) Human-body model: 2 kV Machine model 100V (1) Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under which operation of the device is specified. Operating Ratings do not imply performance limits. For performance limits and associated test conditions, see the Electrical Characteristics tables. (2) All voltages are with respect to the potential at the GND pin. (3) If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications. (1) Thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at TJ=150°C (typ.) and disengages at TJ=135°C (typ.). (2) Absolute Maximum Output Current specified by design. Recommended input voltage range for output currents in excess of 120mA: 3.1V to 4.4V. (3) The Human body model is a 100 pF capacitor discharged through a 1.5 k Ω resistor into each pin. MIL-STD-883 3015.7. The machine model is a 200pF capacitor discharged directly into each pin. Operating Ratings (1) (2) LM2750-5.0 Input Voltage Range 2.7V to 5.6V LM2750-ADJ Input Voltage Range 3.8V ≤ VOUT ≤ 4.9V: 2.7V to (VOUT+0.7V) 4.9V ≤ VOUT ≤ 5.2V: 2.7V to 5.6V LM2750-ADJ Output Voltage Range 3.8V to 5.2V 2.9V ≤ VIN ≤ 5.6V 0 to 120mA Recommended Output Current 2.7V ≤ VIN ≤ 2.9V 0 to 40mA Junction Temperature (TJ) Range -40°C to 125°C Ambient Temperature (TA) Range (3) -40°C to 85°C (1) Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under which operation of the device is specified. Operating Ratings do not imply performance limits. For performance limits and associated test conditions, see Electrical Characteristics() (). (2) All voltages are with respect to the potential at the GND pin. (3) Maximum ambient temperature (TA-MAX) is dependent on the maximum operating junction temperature (TJ-MAX-OP = 125ºC), the maximum power dissipation of the device in the application (PD-MAX), and the junction-to ambient thermal resistance of the part/package in the application ( θJA), as given by the following equation: TA-MAX = TJ-MAX-OP - (θJA × PD-MAX). Maximum power dissipation of the LM2750 in a given application can be approximated using the following equation: PD-MAX = (VIN-MAX × IIN-MAX) - (VOUT × IOUT-MAX) = [VIN- MAX × ((2 × IOUT-MAX) + 5mA)] - (VOUT × IOUT-MAX). In this equation, VIN-MAX, IIN-MAX, and IOUT-MAX are the maximum voltage/current of the specific application, and not necessarily the maximum rating of the LM2750.The maximum ambient temperature rating of 85ºC is determined under the following application conditions: θJA = 55ºC/W, PD-MAX = 727mW (achieved when VIN-MAX = 5.5V and IOUT-MAX = 115mA, for example). Maximum ambient temperature must be derated by 1.1ºC for every increase in internal power dissipation of 20mW above 727mW (again assuming that θJA = 55ºC/W in the application). For more information on these topics, see TI's AN-1187 Application Report (SNOA401) and the POWER EFFICIENCY AND POWER DISSIPATION section of this datasheet. Copyright © 2002–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2750 |
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