Features: _x000D_ 1. This boost-buck converter supports positive & negative dual output voltage. _x000D_ 2. High conversion efficiency up to 90%, stable output voltage. _x000D_ 3. Made with high quality electronic components, stable performance. _x000D_ 4. Built in frequency compensation, soft-start function, thermal shutdown function and current limit function. _x000D_ 5. Application: ADC, DAC, operational amplifier, audio equipment, LCD power supply and more. _x000D_ _x000D_ Specification: _x000D_ Input voltage: 3~24V _x000D_ Output voltage: 5V/6V/9V/10V/12V/15V/18V/24V (Optional) _x000D_ Maximum output power: 1-8W _x000D_ Conversion efficiency :70-90% _x000D_ Quiescent current: 3-4mA _x000D_ Accuracy : Positive voltage 3%, Negative voltage 5% _x000D_ Working frequency: 400kHz _x000D_ Operating temperature: -40~85 _x000D_ Size: 42*24*15mm / 1.65*0.94*0.59in _x000D_ Weight: 12g (approx.) _x000D_ _x000D_ Package List: _x000D_ 1 * Positive Negative Voltage Converter