The DC-DC Adjustable Step Down Converter Module has large power, high efficiency, low-ripple. With power indicator, on-board voltmeter. The voltmeter can calibrate automatically. The measure can be changed between input and output voltage, with indicator. The voltmeter can also be shutdown. The board uses connection terminal for easy wiring.
Built in thermal shutdown function
Built in current limit function
Built in output short protection function
Better than 2596, easy to 4A 50W, up to 75W adding heat sink
Input voltage: 4V ~ 38V (not more than 38V)
Output voltage: 1.25V ~ 36V (adjustable)
Output current: 0A ~ 5A (recommended below 4.5A)
Output power: recommended use below 75W (add heat sink when more than 50W)
Operating temperature: -40?C ~ +85?C
Operating frequency: 180KHz
Conversion efficiency: Up to 96% (based on input and output voltage, current, pressure)
Voltmeter range: 0V ~ 40V
Voltmeter error: ?0.1V (NOTE: To ensure the accuracy, keep the input above 4.5V)
Load regulation: S (I) ?0.8%
Voltage regulation rate: S (u) ?0.8%
Power indicator: Yes
Short circuit protection: Yes (limit current 8A)
Over temperature protection: Yes (shutdown output automatically after over temperature)
Input Reverse Polarity Protection: None (cascade high current diode if required)
Wiring: IN+/- Input, OUT+/- Output