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.
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:5V 3A DC Step Down Power Supply Module
2>.Working Voltage:DC 9.0V-90V(Keep input is at least 4.0V high than output)
3>.Output Voltage:DC 5V
6>.Conversion efficiency:About 96%(The smaller the differential voltage, the higher the efficiency)
8>.Soft Starter:Yes(Failure at high power load)
9>.Over temperature protection:Yes
11>.Short circuit protection:Yes
12>.Working Temperature range:-40℃~85℃
13>.Working Humidity range:0%-95%RH
1>.Connect right input voltage at input terminal.
2>.Turn ON power supply.
3>.Check output voltage by voltmeter and ammeter.
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.
1>.Ordinary power supply;
3>.LED drive power;
1>.1pc 5V 3A DC Step Down Power Supply Module;