ITEM NAME:5W DC-DC Buck Converter Step-Down 5V-36V To 5 12V Power Module Replace 7805 G7Y9 5W DC-DC Buck Converter Step-Down 5V-36V To 5 12V Power Module Replace 7805 G7Y9 Input voltage 4.75~40V,Adjustable output 0.9~30V.Long time maximum output current 0.8A(12V to 5V) Short time maximum output current 1A(12V to 5V).Quiescent current: about 1.5MA DC-DC Step-Down Converter module working frequency 550KHz. efficiency is 75-90% .Overtemperature shutdown, input under-voltage protection, BS-voltage protection, and short circuit protection. 2.54mm pin pitch, Arduiuo UNO MEGA2560 Breadboard MCU Development Board friendly.Excluding Pin Size 15mm x 10.3mm x 6.8mm(Very small) Applications: 1.2V/1.5V/1.8V/2.5V/3.3V/5V MCU ARM CPU FPGA/CPLD 12V 5V TO 3.7V lithium battery-