DC 7-21V to 5V 5A USB DC-DC Step Down Voltage Regulator Module Power Converter Supply for Phone Car Charging

DC 7-21V to 5V 5A USB DC-DC Step Down Voltage Regulator Module Power Converter Supply for Phone Car Charging

Description:

1: Widely used

2: Low standby current

3: Built-in over-temperature protection, over-current protection, short-circuit protection

4: Built-in soft start

5: High efficiency: up to 98% (the specific value is related to the input voltage, output voltage, and output current)

Specification:

DC-DC non-isolated synchronous rectifier step-down module

Wide input voltage: 7V-21V

Output voltage: 5V

Output current: 5A (Max) (5A can work for a long time, measured at a room temperature of 25 degrees; if the ambient temperature is too high, heat dissipation needs to be strengthened)

Typical operating frequency: 500KHz

High efficiency: up to 98% (the specific value is related to the input voltage, output voltage, and output current)

Feature:

Low standby current

Built-in over temperature protection

Overcurrent protection

Short circuit protection

After protection, the power supply needs to be disconnected and restarted;

Built-in soft start

With EN enable terminal, after the R2 resistor on the module is removed, EN is the enable pin, and the logic is high and effective

Working temperature: industrial grade (-40℃ to +85℃)

Module volume: 37*18*8mm

Instructions:

1. First connect the connection line between the module and the power supply, and then power on. Remember! Remember! (If the input terminal is connected with electricity, it is prone to sparking, especially when the input power supply voltage is high, the pad of the module may even be burnt).

2. After selecting a suitable power supply, use a multimeter or voltmeter to measure whether the output voltage of the module is consistent with the voltage required by the device.

3. Connect electrical equipment or (load) to the output of the module.

4. The USB cable connected to this module needs to be as short and thick as possible, otherwise the loss will be large when passing through a large current, and the real parameters will not be reached.

5. The real output current is determined by the load. There is no need to worry about 5A current damaging the 2A device. It is better to apply to products that actually need less than 5A.