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Ultra-compact step down DC-DC power supply module features a variable DC output or a fixed output of 1.8V, 2.5V, 3.3V, 5V, 9V or 12V. Board measures only 20mm (L) x 11mm (W) x 5mm (H).
The module is capable of delivering output currents of up to 3A with additional cooling. Current outputs of 1.5A are practical without any additional cooling or heatsink.
The output voltage is variable by using the onboard variable resistor. For fixed voltage stability, the variable resistor can be disabled and a solder-pad formed across one of the preset fixed out voltage options from the back of the board.
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$0.95 USD $2.00 USD