Datacom Systems VS-1212-F Bedienungsanleitung

Rev. 1.7 November 2010 www.aosmd.com Page 1 of 18AOZ1212EZBuck™ 3A Simple Buck RegulatorGeneral DescriptionThe AOZ1212 is a high efficiency, simple

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 10 of 18The zero is a ESR zero due to output capacitor and its ESR. It is can be calculated by:where

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 11 of 18dissipation of converter circuit can be measured by input power minus output power. The powe

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 12 of 18Figure 3a. Layout Example for AOZ1212AIFigure 3b. Layout Example for AOZ1212DIAOZ1210 /23 GN

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 13 of 18Package Dimensions, SO-8Notes:1. All dimensions are in millimeters.2. Dimensions are inclusi

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 14 of 18Tape and Reel Dimensions, SO-8SO-8 Carrier TapeSO-8 ReelSO-8 TapeLeader/Trailer& Orienta

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 15 of 18Package Dimensions, 5x4A DFN-8Notes:1. Dimensions and tolerancing conform to ASME Y14.5M-199

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 16 of 18Tape and Reel Dimensions, 5x4A DFN-8R0.40P0K0A0EE2D0E1D1B0PackageDFN 5x4(12 mm)A0 B0 K0 E E1

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 17 of 18ReelVIEW: CC0.053-1.8ø96±0.26.45±0.053-ø2.9±0.053-ø1/8"3-ø1/4"8.9±0.111.9014 REF1.

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 18 of 18As used herein:1. Life support devices or systems are devices or systems which, (a) are inte

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 2 of 18Ordering InformationAOS Green Products use reduced levels of Halogens, and are also RoHS comp

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 3 of 18Block DiagramAbsolute Maximum RatingsExceeding the Absolute Maximum Ratings may damage the de

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 4 of 18Electrical CharacteristicsTA = 25°C, VIN = VEN = 12V, VOUT = 3.3V unless otherwise specified(

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 5 of 18Typical Performance Characteristics Circuit of Figure 1. TA = 25°C, VIN = VEN = 24V, VOUT = 3

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 6 of 18Efficiency CurvesEfficiencyVIN = 5V75808590951.8V OUTPUT5.0V OUTPUT5.0V OUTPUT3.3V OUTPUT3.3V

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 7 of 18Detailed DescriptionThe AOZ1212 is a current-mode step down regulator with integrated high si

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 8 of 18high side switch immediately to terminate the current duty cycle. The inductor current stops

AOZ1212Rev. 1.7 November 2010 www.aosmd.com Page 9 of 18The peak inductor current is:High inductance gives low inductor ripple current but requires l