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.
2.

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.
3.Parameters:
1>.Product Name:12V 3A DC Step Down Power Supply Module
2>.Working Voltage:DC 16V-120V(Keep input is at least 4.0V high than output)
3>.Output Voltage:DC 12V
4>.Output Current:3A
5>.Output Power:36W
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*30*20mm
4.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.