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MTR50 датащи(PDF) 2 Page - Interpoint Corporation Company |
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MTR50 датащи(HTML) 2 Page - Interpoint Corporation Company |
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2 / 20 page ![]() synChronization Synchronizingtheconverterwiththesystemclockallows thedesignertoconfineswitchingnoisetoclocktransitions, minimizinginterferenceandreducingtheneedforfiltering.In syncmode,theconverterwillrunatanyfrequencybetween500 kHzand675kHz.Thesynccontroloperateswithadutycycle between40%and60%.Thesyncpinmustbeconnectedtoinput commonpinwhennotinuse. DynaMiC response TheMTRSeriesfeed-forwardcompensationsystemprovides excellentdynamicresponseandnoiserejection.Audiorejection istypically40dB.Theminimumtomaximumsteplinetransition responseistypicallylessthan4%. inhibit FunCtion MTRSeriesconvertersprovideaninhibitterminalthatcanbe usedtodisableinternalswitching,resultinginnooutputvoltage andverylowquiescentinputcurrent.Theconverterisinhibited whentheinhibitpinispulledbelow0.8voltsandenabledwhen itsinhibitpinisleftfloating.Anexternalinhibitinterfaceshouldbe capableofpullingtheconverter’sinhibitpinbelow0.8voltswhile sinkingthemaximuminhibitcurrentandalsoallowingtheinhibit pintofloathightoenabletheconverter.Avoltageshouldnotbe appliedtotheinhibitpin.Theopencircuitvoltagepresentonthe inhibitpinis9to11volts Figure 1: Mtr singLe bLoCk DiagraM Output Common Positive Output Positive Input Inhibit Input Common Input Common Input Common Sync In MTR Single Output Input Filter Driver PWM Case VBIAS RSENSE Current Limit Voltage Feedback Crane Aerospace & Electronics Power Solutions Mtr (50) single and Dual DC-DC Converters 28 (16-50) VOlt INPut – 30 Watt www.craneae.com/interpoint Page2of20 MTR-02RevAE-2016.04.26 |
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