TITPS5406060V0.5A降压电源解决方案

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1、TITPS5406060V0.5A降压电源解决方案关键词：电源管理,DC/DC转换器TI公司的TPS54060是60V0.5A降压电源稳压器•它集成了200-m^l高边MOSFET,电流模式控制提供简单的外部补偿和灵活的元件选择，输入电压3.5V-60V,开关频率100kHz到2.5MH乙工作时的静态电流116uA,关断电流1.3uA注要用在12-V,24-V和48-V工业于商用低功耗系统，视频和GPS,娱乐设备等•本文介绍了TPS54060主要特性，功能方框图，带可调UVLO的高频3.3V输出等多种应用电路以及TPS54060EVM-590评估

2、模块性能指标,电路图和材料清单.TheTPS54060deviceisa60V,0.5A,stepdownregulatorwithanintegratedhighsideMOSFET.Currentmodecontrolprovidessimpleexternalcompensationandflexiblecomponentselection.Alowripplepulseskipmodereducesthenoload,regulatedoutputsupplycurrentto116pA.Usingtheenablepin,shutdow

3、nsupplycurrentisreducedto1.3pA,whentheenablepinislow.Undervoltagelockoutisinternallysetat2.5V,butcanbeincreasedusingtheenablepin.Theoutputvoltagestartuprampiscontrolledbytheslowstartpinthatcanalsobeconfiguredforsequencing/tracking.Anopendrainpowergoodsignalindicatestheoutputi

4、swithin93%to107%ofitsnominalvoltage・Awideswitchingfrequencyrangeallowsefficiencyandexternalcomponentsizetobeoptimized・TPS54060主要特性：3.5Vto60VInputVoltageRange200-mnHigh-SideMOSFETHighEfficiencyatLightLoadswithaPulseSkippingEco-Mode™116pAOperatingQuiescentCurrent1.3

5、iAShutdownC

6、urrent100kHzto2.5MHzSwitchingFrequencySynchronizestoExternalClockAdjustableSlowStart/SequencingUVandOVPowerGoodOutputAdjustableUVLOVoltageandHysteresis0.8-VInternalVoltageReferenceMSOP10and3mmx3mmSONPackageWithPowerPAD™SupportedbySwitcherPro™SoftwareToolTPS54060应用：12-V,24-Van

7、d48-VIndustrialandCommercialLowPowerSystemsAftermarketAutoAccessories:Video,GPS,Entertainment图1.TPS54060功能方框图H2.TPS54060UVLOsali3・3v莓丘壬隽壬眾函S3AdctHRes.siors®3.TPS54060PCB曲辺宜函capacisrf■nplHBypassTopa-deGround>30RousBoo~CopoctorH88ontmothefia/erodoraopnthforoutput—l—capa

8、chDiodegBOOTnl—oo-GNDosjgna-VIATPS54060EVM-590评估模块TheTPS54060DC/DCconverterisdesignedtoprovideuptoa0.5-Aoutputfromaninputvolt

9、agesourceof3.5Vto60V.RatedinputvoltageandoutputcurrentrangefortheTPS