3pcs 1A DC-DC 3V to 5V Converter Step Up Boost Mobile Power Supply Module

Feature Size 20 x 20 x 5mm 0 78 x 0 78 x 0 19 inch approx Module properties non isolated boost Rectification non synchronous rectification Input voltage 2 5V 6V Output voltage 4V 12V adjustable Output current 1000mA Max Conversion efficiency 92 the highest Switching frequency 1MHzOutput ripple 20mV max Load regulation 0 5 Voltage regulation 2 5 Note Formula output VOUT R1 R2 1v 0 6VDefault resistance R1 150K R2 20K unit ohm By adjusting the voltage of this formula which is calculated by the formula resistors R1 or R2 replace the resistor can be calculated on the desired output voltage The R1 R2 can be removed and replaced with other resistance Example I want the output voltage is 8V then want to replace R1 then 8 R1 20K 1 0 6 calculate R1 put on it Package includes 3 x Module