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 11. This boost-buck converter supports positive & negative dual output voltage. 22. High conversion efficiency up to 90%, stable output voltage. 33. Made with high quality electronic components, stable performance. 44. Built in frequency compensation, soft-start function, thermal shutdown function and current limit function. 55. Application: ADC, DAC, operational amplifier, audio equipment, LCD power supply and more.