ITEM NAME:4A Buck-Boost Converter Module Adjustable Buck Boost Board With Lcd Display L8K3 4A Buck-Boost Converter Module Adjustable Buck Boost Board With Lcd Display L8K3 LCD input and output voltage, output current output power; Input anti-reverse protection, reverse connection will not burn; Can be step-up and step-down, the output voltage 0.5-30V arbitrary regulation, limiting the current 0-4A arbitrary regulation; Output anti-intrusion, the battery charge without additional anti-reflux diodes; Button control output ON / OFF status, and you can set the power-on default is ON or OFF; Ascending and descending chip used as the main controller, external 60V 75A MOS tube as a switch, double 60V 5A SS56 Schottky rectification, 60V voltage value, superior to the market immature XL6009 / LM2577 program (a lot Device pressure value is not enough, MOS tube and Schottky diode pressure value must be greater than the input plus input voltage value); Output ripple small, LC filter; With heat sink, send module support isolation column. Module has IN / OUT, ON / OFF two buttons: IN / OUT button to switch the input voltage and output voltage display, long press to switch the output current output power display; ON / OFF button control output ON or OFF, long press Set power on default output status is ON or OFF. Input voltage: 5.5-30V (input voltage 5V, you can normally achieve buck-boost, but the voltage and current meter values ??are not accurate; less than 4.7V, undervoltage protection) CC is the current setting potentiometer, clockwise rotation, can increase the set current, when the load current reaches the set current, enter the constant current state, CC constant current indicator (red) lights up; the right CV is the voltage setting Potentiometer, clockwise rotation, can increase the output voltage. ON indicator is the output status indicator, when the output voltage is on, otherwise off. Output current: long-term stable work in 3A, strengthen the heat can reach 4A color:
