4-channel Step-down Buck DC-DC Converter power module 3.3V output: Input 4.5-30V, Output 3.3V (±3%) 5V output : Input 6.5-30V, Output 5V (±3%) 12V output : Input 13.5-30V, Output 12V (±3%) AJD output : Input 4.5-30V, Adjustable Output 2-28V Maximum output current per channel : 3A; Overall maximum load power: 50 watts Master chip : XL2596(compatible LM2596) Working frequency 150KHz. Input reverse connection protection Built in thermal shutdown function,Built in current limit function,Built in second current limit function Operating Temperature :-40°C to +85°C Storage Temperature : -65°C to +150°C Size : 88 x 55 x 15mm Attention: This is a DC-DC voltage converter module,Must be noted when using: 1 Input voltage can not be greater than the maximum input range 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 Applications: MCU ARM STM32 CPU FPGA/CPLD for UNO MEGA3560 PTZ CCTV IP camera Smart home / home automation WIFI Router Switch Network equipment LED Motor Battery powered equipment Wireless Module:Nrf24l01 CC1101 CC2500 CC2530 Zigbee Colour:green Material:PCB Size:88x55x15mm Package Contents: 1 x 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.