Package : SMDis_customized : YesModel Number : DC Step Down Power Supply ModuleOperating Temperature : -40 ~ 85 CelsiusDissipation Power : -Supply Voltage : DC 9.0V-120VApplication : ComputerCondition : NewType : Voltage RegulatorBrand Name : diymore : Mainland ChinaOutput Current : 2AConversion efficiency : About 96%Working frequency : 140KHzWorking Humidity range : 0%-95%RHSize : 42*30*20mmDC 9V 12V 24V 36V 48V 72V 84V 120V to 5V 2A Step Down Module Power Supply dc dc converter Buck Converter step up converteDescription:It is a DC constant voltage constant current step down power supply module.It can be used as ordinary buck power supply module, charger and LED constant current driver.Simple and efficient, practical.Features:1>.High input voltage;2>.Stable voltage output;3>.Support over temperature protection;4>.Support overvoltage protection;5>.Support short circuit protection;6>.Low power consumption;7>.Support constant voltage constant current output;8>.Support charging function;9>.With heat sink and keep good heat dissipation.:1>.Product Name:DC Step Down Power Supply Module2>.Working Voltage:DC 16V-90V, DC16-120V, DC9-90V, DC9-120V(Keep input is at least 4.0V high than output)3>.Output Voltage:DC5V, 12V4>.Output Current:3A5>.Output Power:5V-15W, 12V-36W6>.Conversion efficiency:About 96%(The smaller the differential voltage, the higher the efficiency)7>.Working frequency:140KHz8>.Soft Starter:Yes(Failure at high power load)9>.Over temperature protection:Yes10>.Overvoltage protection:Yes11>.Short circuit protection:Yes12>.Working Temperature range:-40℃~85℃13>.Working Humidity range:0%-95%RH14>.Size:42*30*17mm/42*30*20mmUsing Steps:1>.Connect right input voltage at input terminal.2>.Turn ON power supply.3>.Check output voltage by voltmeter and ammeter.4>.Connect load.Note:1>.It is a step down power supply module,So please keep input is at least 4.0V high than output.2>.Input and output are Non-isolated, safe and reliable.6.Application: 1>.Ordinary power supply;2>.Battery charger;3>.LED drive power;4>.Power conversion.