Features 1、1. This buck converter is designed to convert input voltage into lower output voltage, and its input voltage range is 4.5-27V. 2、2. Multiple protection functions including over-temperature shutdown, under-voltage lockout (UVLO), BS-voltage protection, and short circuit protection. 3、3. Made with high quality electronic components, stable performance. 4、4. Reasonable component layout, easy to wire and use. 5、5. Application: Motor toy, LED, CCTV camera, instrument, battery charger, audio amplifier and more. Specification Features: 3. Made with high quality electronic components, stable performance. 4. Reasonable component layout, easy to wire and use. 5. Application: Motor toy, LED, CCTV camera, instrument, battery charger, audio amplifier and more. Specification: Working frequency 900kHz Conversion efficiency: 76-92% Working temperature: -20~50℃ Size: 25*15*6.3mm / 0.98*0.59*0.25in Weight: 3g (approx.) 3V : Maximum output current: 2.5A Short time maximum output current: 3.5A Quiescent current: about 250μA 3.3V : Maximum output current: 2.5A Short time maximum output current: 3.5A Quiescent current: about 250μA 3.7V : Maximum output current: 2.5A Short time maximum output current: 3.5A Quiescent current: about 250μA 5V : Maximum output current: 2.5A Short time maximum output current: 3.5A Quiescent current: about 250μA 6V : Maximum output current: 2.5A Short time maximum output current: 3.3A Quiescent current: about 250μA 7.5V : Maximum output current: 2.5A Short time maximum output current: 3A Quiescent current: about 250μA 9V : Maximum output current: 2.3A Short time maximum output current: 3A Quiescent current: about 250μA 12V : Maximum output current: 2A Short time maximum output current: 3A Quiescent current: about 250μA Package List: Note: 2. Output power can not be greater than the maximum load for a long time 3. Input power must be greater than the output power, because the power consumption of the module itself Package List