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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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ET-78DXX Fiches technique(PDF) 6 Page - Estek Electronics Co. Ltd |
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ET-78DXX Fiches technique(HTML) 6 Page - Estek Electronics Co. Ltd |
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6 / 9 page  78Dxx www.estek.com.cn Copyright @ Estek Electronics Co., Ltd Version 0.2 27 July 2011 6 78D18 Electrical Characteristics (T A=25 oC, VIN=27V, IOUT=500mA, unless otherwise noted . ) Symbol Parameter Test Conditions* Min. Typ. Max. Unit 17.3 18.0 18.7 VOUT** Output voltage IO=5mA to 1.0A VIN=21V to 33V 0 to 125 oC 17.1 18.0 18.9 V VIN=21.5V to 33V - - 360 Regline Line regulation VIN=24V to 30V - - 180 mV IO=250mA to 750mA - - 180 Regload Load regulation IO=5mA to 1.0A - - 360 mV PSRR Ripple rejection VIN=22.5V to 32V, f=120Hz 60 70 - dB Vn Output noise voltage F=10Hz~100Hz - 100 - uV VDROPOUT Dropout voltage - 2.0 - V IQ Bias current - - 8.0 mA VIN=21V to 33V - - 1.0 △ IQ Bias current change IO=5mA to 1.0A 0 to 125 oC - - 0.5 mA 78D20 Electrical Characteristics (T A=25 oC, VIN=29V, IOUT=500mA, unless otherwise noted . ) Symbol Parameter Test Conditions* Min. Typ. Max. Unit 19.2 20.0 20.8 VOUT** Output voltage IO=5mA to 1.0A VIN=23V to 35V 0 to 125 oC 19.0 20.0 21.0 V VIN=23V to 35V - - 400 Regline Line regulation VIN=26V to 32V - - 200 mV IO=250mA to 750mA - - 200 Regload Load regulation IO=5mA to 1.0A - - 400 mV PSRR Ripple rejection VIN=24.5V to 35V, f=120Hz 55 65 - dB Vn Output noise voltage F=10Hz~100Hz - 120 - uV VDROPOUT Dropout voltage - 2.0 - V IQ Bias current - - 8.0 mA VIN=23V to 35V - - 1.0 △ IQ Bias current change IO=5mA to 1.0A 0 to 125 oC - - 0.5 mA ET- |
Numéro de pièce similaire - ET-78DXX |
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Description similaire - ET-78DXX |
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