It is a DC Buck Adjustable Voltage Regulator/Charger/Adapter, Input voltage: DC 4.5~55V, Output voltage: DC 1.25~30 adjustable, Output Current: Rated 2A, Max. 3A, Application: DIY Power adapter/Charger, industrial equipments, electronic equipment, Communications Equipment, Power Tools, Car Driving Recorder, Car GPS, Car audio, LCD TV, Advertising screen, Monitoring System, LED lights, Fan, intercom and monitor system, etc.

• Module Properties: non-isolated step-down module (buck)
• Rectification: non-synchronous rectification
• Input voltage: DC 4.5~55V
• Output voltage: DC 1.25~30 adjustable
• Output Current: Rated 2A. (Max. 3A,  Please install heatsink to enhance heat dissipation.) if output power greater than 15W, please install heat sink.
• Efficiency: Up to 92%
• Switching frequency: 150KHz
• Minimum pressure: 2V
• Operating Temperature: Industrial (-40°c to +85°c) (output power 10W or less)
• Full load temperature rise: 40°c
• Load regulation: ± 0.5%
• Voltage regulation: ± 0.5%
• Output ripple:
• Input 12V Output 5V 3A 15mV (MAX)
• Input 24V output 12V 3A 40mV (MAX)
• 20M bandwidth
• Bandwidth: 20M
• Dynamic response speed: 5% 200uS
• Short circuit protection: current limiting, since the recovery
• Input Reverse Polarity Protection: NONE.

• DIY Adjustable Power Supply
• DIY Universal Charger
• Power supply for electronic equipment

• 1 x DC/DC Buck Converter ( Power Supply Module/Voltage Regulator/Adapter/Charging Module )