Datenblatt-Suchmaschine für elektronische Bauteile |
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LM2937IMP-2.5 Datenblatt(PDF) 3 Page - Texas Instruments |
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LM2937IMP-2.5 Datenblatt(HTML) 3 Page - Texas Instruments |
3 / 19 page LM2937-2.5, LM2937-3.3 www.ti.com SNVS015E – FEBRUARY 1998 – REVISED APRIL 2013 Electrical Characteristics (1) VIN = VNOM + 5V, IOUTmax = 500 mA for the TO-220 and DDPAK/TO-263 packages, IOUTmax=400mA for the SOT-223 package, COUT = 10 μF unless otherwise indicated. Boldface limits apply over the entire operating temperature range, of the indicated device, all other specifications are for TA = TJ = 25°C. Output Voltage (VOUT) 2.5V 3.3V Units Parameter Conditions Typ Limit Typ Limit Output Voltage 5 mA ≤ IOUT ≤ IOUTmax 2.42 3.20 V (Min) 2.5 2.38 3.3 3.14 V(Min) 2.56 3.40 V(Max) 2.62 3.46 V(Max) Line Regulation(2) 4.75V ≤ VIN ≤ 26V, 7.5 25 9.9 33 mV(Max) IOUT = 5 mA Load Regulation 5 mA ≤ IOUT ≤ IOUTmax 2.5 25 3.3 33 mV(Max) Quiescent Current 7V ≤ VIN ≤ 26V, 2 10 2 10 mA(Max) IOUT = 5 mA VIN = (VOUT + 5V), 10 20 10 20 mA(Max) IOUT = IOUTmax VIN = 5V, IOUT = IOUTmax 66 100125 66 100125 mA(Max) Output Noise Voltage 10 Hz–100 kHz, 75 99 μVrms IOUT = 5 mA Long Term Stability 1000 Hrs. 10 13.2 mV Short-Circuit Current 1.0 0.6 1.0 0.6 A(Min) Peak Line Transient Voltage tf < 100 ms, RL = 100Ω 75 60 75 60 V(Min) Maximum Operational Input 26 26 V(Min) Voltage Reverse DC Input Voltage VOUT ≥ −0.6V, RL = 100Ω −30 −15 −30 −15 V(Min) Reverse Transient Input tr < 1 ms, RL = 100Ω −75 −50 −75 −50 V(Min) Voltage (1) Typicals are at TJ = 25°C and represent the most likely parametric norm. (2) The minimum input voltage required for proper biasing of these regulators is 4.75V. Below this level the outputs will fall out of regulation. This effect is not the normal dropout characteristic where the output falls out of regulation due to the PNP pass transistor entering saturation. If a value for worst case effective input to output dropout voltage is required in a specification, the values should be 2.37V maximum for the LM2937-2.5 and 1.6V maximum for the LM2937-3.3. Copyright © 1998–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2937-2.5 LM2937-3.3 |
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Ähnliche Beschreibung - LM2937IMP-2.5 |
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