DC-DC LM2596S Adjustable Voltage Reduction 3A Stabilized Power Supply Module Car Power Supply 5.5/35V to 0/30V

Product Parameter

Product Name: 3A Numerical Control Voltage Reduction Module

Input voltage: DC 5.5V to 35V (the input voltage must be 1.5V or more higher than the output voltage)

Output voltage: DC 0V to 30V voltage continuously adjustable (minimum adjustment accuracy 0.2V, factory default 10V)

When the output voltage is less than 2V, the indicator light will no longer light up (the voltage drop of the red light is approximately 1.8V)

Output current: maximum 3A; It is recommended to use a current of less than 2.5A for long-term work

More than 2A requires the addition of heat sinks (output of 10W or more)

Conversion efficiency: up to 92%

Working frequency: 65KHZ

Working temperature:- 45°C~+85°C

Product size: 43.5 * 28 * 14MM

Matters needing attention

IN+positive input IN - negative input!

OUT+output positive terminal OUT - output negative terminal

Don't connect the positive and negative poles in reverse according to the markings on the board!

Be careful!! Input and output cannot be reversed. Reversing may burn it! After it's connected. If the set value of the output voltage is higher than the input voltage, and the output voltage is almost equal to the input voltage, simply press and hold the "-" button to lower the output voltage below the input voltage to see the voltage regulation effect.

Product Features

This module no longer requires traditional potentiometers to adjust the output power supply. Simply press the "+" or "-" button to easily adjust the voltage, saving the trouble of using a Phillips screwdriver

Key operation instructions:

Press the button and the output voltage changes by 0.2V at once. The output adjustment range is 0~30V. Press the button continuously for more than 1.5 seconds, and the voltage changes at a rate of 1V per second. Implement the function of adjusting voltage quickly and slowly with buttons.

When the button is not pressed within 2 seconds after being released, the current set output voltage realizes the power-off memory function. The voltage value set last time will remain the same after the next power on.

If the output voltage is always equal to the input voltage, you can continuously press the "-" button to set the voltage value lower than the output voltage: you can see the voltage regulation effect.

The left button is the output voltage up button, and the right button is the output voltage down button.

Product Application

1. In car stabilized power supply, simply connect the input terminal of this module to the car cigarette lighter for power supply, press the button, adjust the output voltage to 5V, and it can provide power to devices that require a DC voltage of 5, such as mobile phones, tablets, etc., which is very simple and convenient.

2. Power electronic devices. When the device requires 0-30V power supply and the corresponding voltage power supply is in hand, this module can easily adjust the voltage to the required voltage, solving the problem.

3. System working voltage testing. When working on projects, this module can be used to debug various voltage testing system working voltage ranges, which is very easy and convenient.

Wiring Method

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