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3pcs Mini 5A DC-DC Converter Step Down Module Voltage Regulator Buck Board 4.5V-18V to 4.2V

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                  Description:
                       
                  4.2V :  Input voltage 4.5~18V,output 4.2V  
                  – 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. 
                  Size : 27 x 18 x 5mm
                   
                  Attentions:
                     
                  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
                   
                  Package Included:
                   
                  3 x Mini 5A DC-DC Converter Step Down Module Voltage Regulator Buck Board

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