Moteur de recherche de fiches techniques de composants électroniques |
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LM340 Fiches technique(PDF) 5 Page - Texas Instruments |
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LM340 Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 33 page 5 LM340, LM340A, LM7805, LM7812, LM7815 www.ti.com SNOSBT0K – FEBRUARY 2000 – REVISED JULY 2016 Product Folder Links: LM340 LM340A LM7805 LM7812 LM7815 Submit Documentation Feedback Copyright © 2000–2016, Texas Instruments Incorporated (1) All characteristics are measured with a 0.22-μF capacitor from input to ground and a 0.1-μF capacitor from output to ground. All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tw ≤ 10 ms, duty cycle ≤ 5%). Output voltage changes due to changes in internal temperature must be taken into account separately. 6.5 LM340A Electrical Characteristics, VO = 5 V, VI = 10 V IOUT = 1 A, 0°C ≤ TJ ≤ 125°C (LM340A) unless otherwise specified (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VO Output voltage TJ = 25°C 4.9 5 5.1 V PD ≤ 15 W, 5 mA ≤ IO ≤ 1 A 7.5 V ≤ VIN ≤ 20 V 4.8 5.2 V ΔVO Line regulation 7.5 V ≤ VIN ≤ 20 V TJ = 25°C 3 10 mV Over temperature, IO = 500 mA 10 mV 8 V ≤ VIN ≤ 12 V TJ = 25°C 4 mV Over temperature 12 mV ΔVO Load regulation TJ = 25°C 5 mA ≤ IO ≤ 1.5 A 10 25 mV 250 mA ≤ IO ≤ 750 mA 15 mV Over temperature, 5 mA ≤ IO ≤ 1 A 25 mV IQ Quiescent current TJ = 25°C 6 mA Over temperature 6.5 mA ΔIQ Quiescent current change TJ = 25°C, IO = 1 A 7.5 V ≤ VIN ≤ 20 V 0.8 mA Over temperature, 5 mA ≤ IO ≤ 1 A 0.5 mA Over temperature, IO = 500 mA 8 V ≤ VIN ≤ 25 V 0.8 mA VN Output noise voltage TA = 25°C, 10 Hz ≤ f ≤ 100 kHz 40 μV Ripple rejection f = 120 Hz 8 V ≤ VIN ≤ 18 V TJ = 25°C, , IO = 1 A 68 80 dB Over temperature, IO = 500 mA 68 dB RO Dropout voltage TJ = 25°C, IO = 1 A 2 V Output resistance f = 1 kHz 8 mΩ Short-circuit current TJ = 25°C 2.1 A Peak output current TJ = 25°C 2.4 A Average TC of VO Min, TJ = 0°C, IO = 5 mA −0.6 mV/°C VIN Input voltage required to maintain line regulation TJ = 25°C 7.5 V |
Numéro de pièce similaire - LM340 |
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Description similaire - LM340 |
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