|Item Weight||4.8 ounces|
|Package Dimensions||5 x 3.1 x 1.2 inches|
|Item model number||90011|
|Manufacturer Part Number||090011|
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DROK Waterproof Synchronous DC-DC Converter Buck 5.5-32V to 1-27V Voltage Regulator 24V to 12V to 5V 5A Adjustable VDC Solid Durable Power Supply Board
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- DC Buck converter: Input of 5.5 to 32V DC and output of 1 to 27V DC, such as step down 12V to 5V DC converter, 24V to 3.7V/4.2V/5V/6V/9V/12V DC voltage drop, convert 18V solar panel output to 12 Volt input for a pond air pump.
- Adjustable DC to DC converter: Using a mini screwdriver to increase or decrease output voltage by adjusting the potentiometer screw, clockwise to step up voltage and counterclockwise to step down voltage.
- Enclosed waterproof DC power converter: This unit is sealed, all wires were solder connected and sealed in heatshrink tubing, anti-shock, anti-humidity, dust-proof, without any extra worries.
- Synchronous buck converter: SR synchronous rectification volt regulator,high conversion efficiency and low heating.
- With over-current protection, with over-heating protection.
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Module Properties: non-isolated voltage step-down module (buck)
Input voltage :DC 5.5-32V
Output Voltage :DC 1-27V adjustable
Lowest dropout: 2V, the input voltage must be higher than the output voltage 2V
Operating temperature: -40 to +85 °c
Operating frequency: 300KHz
Conversion efficiency: up to 92%
Protection: over-current protection; over temperature protection
Adopts synchronous rectification technology, high conversion efficiency and low heat
Embedding technology and aluminum shell, waterproof, dust-proof, moisture-proof
Wiring: Red: Input+;Black: Common-;Yellow:Output+
Conversion:12V to 5V, 24V to 3.7V/4.2V/5V/6V/9V/12V,etc.
Output Current: 5A Maximum
5V output: recommended 4A continuous
6-9V output: recommended 3A continuous
10-15V output: recommended 2.5A continuous
1.This unit with no reverse polarity protection, please properly connected.
2.If use for battery,please install a separate output diode to stop the battery from feeding back and damaging the unit.
1x DC Voltage Converter
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Here is an up date to my initial complaint. The seller responded quickly to my complaint about the non functioning DROK unit and promised to send a replacement unit at no charge. After approximately three weeks I received the replacement unit, but initally it still seemed to be defective. Here is a tip for those of you who may order one of these units in the future. You might expect there to be even very minor instructions with the unit, but there are none. To test the new unit I connected the input wires to a DC voltage source and monitered the output wires with a digital volt meter. While turning the adjusting screw clockwise ten full turns I observed no change in the output voltage. I tried another ten turns in the same direction (CW) still no voltage change. I then, turned the adjusting screw back a full twenty turns, to the starting point, and started to turn the screw in the opposite (CCW) direction. There was an immediate change in voltage. I'm am now satisfied with the replacement DROK and have upgraded my rating to four stars!