20W Boost-Buck Positive Negative Dual Output Voltage Module DC-DC Step-Up/Down Power Supplys Module 1. 20W high power output: strong performance, support the stable operation of high power equipment, to meet a variety of power needs 2. Output voltage DC ± 3-30V adjustable: wide-range voltage adjustment function, flexible to adapt to the power supply requirements of different equipment 3. Terminal wiring is simple and easy to understand: humanized design, wiring is convenient and intuitive, no need for complex operations to quickly get started. 4. Multi-scenario application support: compatible with ADC/ amplifier and RS232, RS485, RS422 bus power supply. 5. Wide range of applications: suitable for low-power audio power supply, car audio power supply, instrumentation power supply, LCD backlight power supply and other fields. Input DC3.6-30V, output DC±3-30V adjustable Maximum output power: 20W (different cases of output power is not the same, see the minimum table) Maximum conversion efficiency: 68-89% Static operating current: 2.5mA Typical Applications: ADC//Transport Amplifier Power Supplies RS232 RS485 RS422 bus power supplies Low Power Audio Power Supplies Car audio power supplies Instrumentation power supplies LCD Backlight Power Supplies Color: Green Material: PCB+Components Package Contents: 1 * Dual-output power module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.