DC 9V 12V 24V 36V 48V 72V 84V 120V to 12V 3A Step Down

1. High input voltage; Stable voltage output 2. Support over temperature protection; Support overvoltage protection 3. Support short circuit protection; Low power consumption 4. Support constant voltage constant current output; Support charging function 5. With heat sink and keep good heat dissipation. Parameters: 1.Product Name:DC Step Down Power Supply Module 2.Working Voltage:DC9-120V (Keep input is at least 9.0V high than output) 3.Output Voltage:12V 4.Output Current:3A  6.Conversion efficiency:About 96%(The smaller the differential voltage, the higher the efficiency) 7.Working frequency:140KHz 8.Soft Starter:Yes(Failure at high power load) 9.Over temperature protection:Yes 10.Overvoltage protection:Yes 11.Short circuit protection:Yes 12.Working Temperature range:-40℃~85℃ 13.Working Humidity range:0%-95%RH 14.Size:42 x 30 x 17mm/42 x 30 x 20mm Using 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. Application: 1.Ordinary power supply 2.Battery charger 3.LED drive power 4.Power conversion color:As shown Material:PC+Metal Package Contents: 1 x DC-DC Step Down Buck Converter Module(DC9-120V 5V 3A) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.