Fontos, hogy konstans áram módban 3A (+-10%) használva megfelelő hőelvezetés és hűtés szükséges a fogyasztó teljesítménye és a hatásfok szerint (azaz pl 5V*3A=15W esetén ~1.5-2W elvezetés)
Description:
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.
Feature:
- High input voltage
- Stable voltage output
- Support over temperature protection
- Support overvoltage protection
- Support short circuit protection
- Low power consumption
- Support constant voltage constant current output
- Support charging function
- With heat sink and keep good heat dissipation
Parameter:
Product Name: 12V 3A DC Step Down Power Supply Module
Working Voltage: DC 16V-120V(Keep input is at least 4.0V high than output)
Output Voltage: DC 12V (+-0.3V)
Output Current: 3A
Output Power: 36W
Conversion efficiency: About 96%(The smaller the differential voltage, the higher the efficiency)
Working frequency: 140KHz
Soft Starter:Yes(Failure at high power load)
Over temperature protection: Yes
Overvoltage protection: Yes
Short circuit protection: Yes
Working Temperature range: -40°~85°
Working Humidity range: 0%-95%RH
Size: 42*30*20mm
Using Steps:
Connect right input voltage at input terminal
Turn ON power supply
Check output voltage by voltmeter and ammeter
Connect load
Note:
It is a step down power supply module, please keep input is at least 4.0V high than output.
Input and output are isolated, safe and reliable.
Application:
Ordinary power supply
Battery charger
LED drive power
Power conversion
Package Included:
DC-DC 16 -120V to 12V 3A DC Step Down Power Supply Module