IRIRS20921700W单路D类音频功率放大案2012-10-3022:37:47|分类：默认分类|字号定阅IR企业的IRS2092是集成了PWM调制器和保护的高压高性能D类音频放大器，工作频次高达800kHz，±100V额定电压是可供给500W输出功率，主要用在家庭影院，密你立体声系统，通用音频放大器等本文介绍IRS2092主要特征，框图，典型连结图，典型应用电路图以及1700W单路D类音频功率放大器框图，主要特征，电路图和资料清单TheIRS2092isahighvoltage,highperformanceClassDaudioamplifierdriverwithPWMmodulatorandprotection.InconjunctionwithtwoexternalMOSFETandafewexternalcomponents,acompleteClassDaudioamplifierwithprotectioncanberealized.InternationalRectifier’sproprietarynoiseisolationtechnologyallowshighcurrentgatedrivestageandhighspeedlownoiseerroramplifierresideonasinglesmallsilicondie.OpenelementsofPWMmodulatorsectionallowflexiblePWMtopologyimplementation.IRS2092主要特征：? IntegratedanaloginputClassDaudioamplifierdriverinasmall16pinpackage? Floatinginputsenableeasyhalfbridgeimplementation? Programmablebidirectionalover-currentprotectionwithself-resetfunction? ProgrammablepresetdeadtimeforimprovedTHDperformances? Startandstopclicknoisereduction? Highnoiseimmunity? ±100Vratingsdeliverupto500Winoutputpower? Operatesupto800kHz? RoHScompliantIRS2092典型应用：?Hometheatersystems专业资料? Minicomponentstereosystems? Poweredspeakersystems? Generalpurposeaudiopoweramplifiers图1。
IRS2092框图图2IRS2092典型连结图专业资料图3IRS2092典型应用电路图1700W单路D类音频功率放大器IRAUDAMP9：1.7kW/2-ΩSingleChannelClassDAudioPowerAmplifierUsingtheIRS2092SandIRFB4227TheIRAUDAMP9referencedesignisasingle-channel1.7-kW(@2Ωload)half-bridgeClassDaudiopoweramplifier.ThisreferencedesigndemonstrateshowtousetheIRS2092SClassDaudiocontrollerandexternalgatebuffer,toimplementprotectioncircuits,anddesignanoptimumPCBlayoutusingtheIRFB4227(x2Pairs)TO-220MOSFETs.Thisreferencedesignmayrequireadditionalheatsinkorfanfornormaloperation(one-eighthofcontinuousratedpower).Thereferencedesignprovidesalltherequiredhousekeepingpowersuppliesforeaseofuse.The1-channeldesigniscapableofdeliveringhigherthanitsratedpowerwithprovisionoflargerheatsink(Rth<2°C/W).1700W单路D类音频功率放大器主要应用：? Pro-Audioamplifiers? Poweredspeakers? ActiveSub-woofers? P.A.Systems? CaraudioamplifiersMusicalInstrumentamplifier1700W单路D类音频功率放大器主要特征：专业资料OutputPower:1.7kWSinglechannel(2Ωload,1kHz,THD+N=10%),ResidualNoise:290μV,IHF-Aweighted,AES-17filterDistortion:0.07%THD+N@600W,2ΩEfficiency:97%@1.7kW,2ΩMultipleProtectionFeatures:OutputOver-currentprotection(OCP),highsideandlowsideInputOver-voltageprotection(OVP),InputUnder-voltageprotection(UVP),OutputDC-offsetprotection(DCP),Over-temperatureprotection(OTP)PWMModulator:Self-oscillatinghalf-bridgetopologywithoptionalclocksynchronization图4。
1700W单路D类音频功率放大器功能框图专业资料图51700W单路D类音频功率放大器外形图图5IRS2092S保护电路功能框图专业资料图61700W单路D类音频功率放大器测试图专业资料图71700W单路D类音频功率放大器电路框图图81700W单路D类音频功率放大器电路图（1）专业资料图91700W单路D类音频功率放大器主板输入/输出电源连结图图101700W单路D类音频功率放大器主板电路图（1）专业资料图91700W单路D类音频功率放大器子板电路图专业资料。