custom 1Pcs Buck Module Power Buck Converter Non-Isolated Regulator 24V 36V 48V 72V 84V 120V to 12V 3A High Voltage

2. Features:

1: high input voltage;
2: stable output voltage;
3: Support over temperature protection;
4: Support overvoltage protection;
5: Support short circuit protection;
6: low power consumption;
7: constant current constant support output voltage;
8: Support charging function;
9: With heat sink to maintain good heat dissipation.

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1: Product Name: 12V 3A DC Step-Down Power Module

2: The minimum voltage difference between the input voltage and the output voltage is 4V.
(The input voltage is DC9V-120V when outputting 5V}
{Input voltage is DC16V-120V when outputting 12V)
3: Output current: 3A
4: Output power: 36 W
5: Conversion efficiency: about 96% (the lower the differential voltage, the higher the efficiency)
6: Working frequency: 140 KHz
7: Soft starter: Yes (high power charging failure)
8: Over temperature protection: Yes
9: Overvoltage protection: Yes
10: Short circuit protection: Yes
11: Operating temperature range: -40 ° C ~ 85 ° C
12: Working humidity range: 0%-95%RH
13: Size: 42 * 30 * 20mm

4. Use steps:

 1>. Connect the right input voltage to the input terminal.

2>. Turn on the power.

3>. Check the output voltage with a voltmeter and ammeter.

4>. Connect the charge.

5. Note:

1>. It is a step-down power module, so keep the input at least 4.0V above the output.

2>. Input and output are non-insulated, safe and reliable