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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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LM2766 Fiches technique(PDF) 5 Page - Texas Instruments |
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LM2766 Fiches technique(HTML) 5 Page - Texas Instruments |
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5 / 20 page  LM2766 www.ti.com SNVS071C – MARCH 2000 – REVISED SEPTEMBER 2015 6.5 Electrical Characteristics Unless otherwise specified, typical limits are for TJ = 25°C, minimum and maximum limits apply over the full operating temperature range: V+ = 5 V, C1 = C2 = 10 μF. (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT V+ Supply voltage 1.8 5.5 V IQ Supply current No load 350 950 µA TJ = 25°C 0.1 0.5 µA ISD Shutdown supply current TA = 85°C 0.2 0.6 V VSD Shutdown pin input voltage 2 2.5 V ≤ VIN ≤ 5.5 V 20 IL Output current mA 1.8 V ≤ VIN ≤ 2.5 V 10 ROUT Output resistance(2) IL = 15 mA 20 55 Ω ƒOSC Oscillator frequency See(3) 220 400 700 kHz ƒSW Switching frequency See(3) 110 200 350 kHz PEFF Power efficiency IL = 20 mA to GND 94% VOEFF Voltage conversion efficiency No load 99.96% (1) In the test circuit, capacitors C1 and C2 are 10-µF, 0.3-Ω maximum ESR capacitors. Capacitors with higher ESR may increase output resistance, and reduce output voltage and efficiency. (2) Specified output resistance includes internal switch resistance and capacitor ESR. See the details in Application and Implementation for positive voltage doubler. (3) The output switches operate at one half of the oscillator frequency, ƒOSC = 2 × ƒSW. Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM2766 |
Numéro de pièce similaire - LM2766_15 |
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Description similaire - LM2766_15 |
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