Eletechsup Mini-Size 5A DC-DC Converter Step-Down Module Voltage Regulator Buck Board 4.5V-18V to 3V 3.3V 3.7V 4.2V 5V 6V -Output 3.7V 2-

Description: 3V : Input voltage 4.5~18V,output 3V 3.3V :  Input voltage 4.5~18V,output 3.3V      3.7V : Input voltage 4.5~18V,output 3.7V 4.2V :  Input voltage 4.5~18V,output 4.2V 5V   :Input voltage 6~18V,output 5V  6V  :Input voltage 7~18V,output 6V Maximum output current 4A,Short time maximum output current 5A DC-DC Step-Down Converter module working frequency 500KHz. efficiency is 77-93% . Quiescent current: 16-18mA External soft start, Thermal shutdown, Under-Voltage Lockout (UVLO), Cycle-by-Cycle Over Current Protection, and short circuit protection. Operating Temperature :–40°C to +85°C Size : 27 x 18 x 5mm Weight : 4g    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: DC motor power supply WIFI Router Switch Network equipment Multimeter instrumentation CCTV camera Electric toys Wireless Module:Nrf24l01 CC1101 CC2500 CC2530 Zigbee Smart home / home automation Distributed Power Systems Battery Charger Pre-Regulator for Linear Regulators FM radio Battery powered equipment Audio amplifier