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, efficient and practical.
Features:
- 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.
Parameters:
- Product Name:12V 3A DC Step Down Power Supply Module
- Working Voltage:DC 16V-90V (Please keep input is at least 4.0V higher than output)
- Output Voltage:DC 12V
- Output Current: 3A (ie, constant current value is 3A. When the customized voltage is greater than 12V, the output current is less than 3A, and the maximum power is recommended not to exceed 30W)
- Output Power:36W
- High efficiency: up to 95% (lower differential pressure, higher 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:42x30x19mm
Instructions:
- first connect the connection line between the module and the power supply, and then power on. Remember! Remember! (If the input has live wiring, it is prone to ignition, especially if the input power supply voltage is high, it may even burn the module’s pad).
- After selecting the proper power supply, use a multimeter or voltmeter to measure whether the output voltage of the module is consistent with the voltage required by the device.
- Use electrical equipment or (load) to connect to the output of the module.
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, so please keep input is at least 4.0V higher than output.
- Input and output are non-isolated, safe and reliable.
Application:
- Ordinary power supply
- Battery charger
- LED drive power
- Power conversion.
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