ARCELI Adjustable DC-DC Buck Converter Module, 36V/24V/12V to 5V, 2A, LED Display, 3-Pack

Description

• Nickel-plated surface for oxidation resistance; pure copper inner conductor
• 3-pack of adjustable DC step-down modules with potentiometer, high-frequency filter capacitor, and LED display
• Input voltage: DC 440V; output voltage: continuously adjustable from 1.2537V
• Output current: 03A; operating temperature: -40 to +85C
• Current limiting, short-circuit protection, and overtemperature protection
• High efficiency and low ripple with power display
• For applications where the input voltage is higher than the output voltage

Module specifications and functions: Non-isolated buck module. Input voltage: 440V; do not attempt to exceed 38V at the input. Output voltage: continuously adjustable from 1.2535V. Output current: 03A. Operating temperature: -40 to +85C. Operating frequency: 180kHz. Conversion efficiency: up to 92%, depending on the input voltage, output voltage, current, and voltage difference. Switching frequency: 65kHz. Output ripple: <30mV. Short-circuit protection: current limited to 8A. Overtemperature protection: automatically switches off the output when overheated. No input reverse-polarity protection; if required, install a high-current diode in series with the input. Installation: use two 3mm screws. Wiring: IN+ positive input, IN- negative input, OUT+ positive output, OUT- negative output. Module dimensions: 43 21 14mm (L W H). To use the module: 1. Briefly press the button for about 1 second until the in LED lights; the voltmeter displays the input voltage. 2. Briefly press the button again for about 1 second until the out LED lights; the voltmeter displays the output voltage. 3. Turn the potentiometers upper screw clockwise to increase the output voltage and counterclockwise to decrease it. 4. Hold the button for 14 seconds to switch off the voltmeter. Package includes: 3 step-down modules.

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