5v Regulator, DROK 5pcs Mini Voltage Reducer DC 4.5-24V 12V 24V Step Down to 5V Buck Converter Board 3A Volt Step-Down Transformer Power Supply Module

Parameters:
Input Voltage: DC 4.5-24V
Output Voltage: Integrated adjustable and fixed output (Adjustable range is 0.8-17V, fixed output are 1.8V, 2.5V, 3.3V, 5V, 9V, 12V that can be chosen on the back side)
Output Current: 3A max (please enhance cooling work when it is full load); When real tested input 12V and output is 1.5A, no need to add special system.
Conversion Efficiency: 97.5% (highest) (6.5V to 5V, 0.7A)
Switch Frequency: 500KHz
Output Ripple: 20mV(12V to 5V, 3A)  20M width
Operating Temperature: -40? ~ +85?(Industrial class) (The higher the operation temperature is, the smaller the output power is)
Output Over-voltage Protection: no
Temperature rising range at full load: 40?
Static Current: 0.85mA
Voltage Adjustment Rate: ±0.5%
Dynamic Response Speed: 5% 200uS
Output Short-circuit Protection: yes, please don't keep making it short-circuit.
Output Reverse Connection Protection: no
Enable Function Control: yes, Low electric level will stop working when high electric level is working. High electric level is 2-5V, low electric level is 0V or so.
Wiring Method: soldering
Input Method: soldering
Output Method: soldering or pins
Welding Hole Spacing: 2.54mm

Package Includes:
5 x mini 5v regulator