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LM2596 DC-DC step-down Adjustable CC/CV LED driver Power Supply Module Converter

290.00 210.00

LM2596 DC-DC step-down Adjustable CC/CV LED driver Power Supply Module Converter adjustable +1.25 v to 30 v dc output, with constant current adjustable up to 2A. Ideal for battery operated projects requiring a regulated power supply. Commonly used as a constant current LED driver, or for charging batteries.

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Description

LM2596 DC-DC step-down Adjustable CC/CV LED driver Power Supply Module Converter

LM2596 DC-DC step-down regulator, adjustable +1.25 v to 30 v dc output, with constant current adjustable up to 2A. Ideal for battery operated projects requiring a regulated power supply. Commonly used as a constant current LED driver, or for charging batteries.

Specifications LM2596 DC-DC step-down regulator

  • Regulator Type: Step Down ( Non Isolated input to Output )
  • Input Voltage: +7 to 35vdc
  • Output Voltage: +1.25 to 25vdc
  • Output Current: 2A Rated, ( 3A maximum with heat sink )
  • Switching Frequency: 150kHz
  • Adjustable Current: Unknown
  • Efficiency: Up to 92% ( when output voltage is set high )
  • Dropout Voltage: 2vdc minimum
  • Load Regulation: +/- 0.5%
  • Voltage Regulation: +/- 2.5%
  • Temperature: -40 to +85 deg C ( output power less than 10Watts )
  • PC Board Size: 43.6mm L x 21mm W x 14mm H
  • Data Sheet: National LM2596

Battery Charging use LM2596 DC-DC step-down regulator:

  • Make sure of the voltage and current of the battery you need to charge
  • Adjust the constant voltage potentiometer to make the output voltage same to the charge voltage
  • Potentiometer Adjustment Direction: Clockwise (increase), counterclockwise (decrease)
  • Use the multimeter in 10A current scale to measure output short-circuit current,and adjust the current potentiometer to make sure the output current to the expected charging current value
  • The charge current of transfer lamp is default 0.1 times of the charging current (constant current value)
  • Connected to the battery and try to charging (for previous 5 steps, module input terminal is connected to power source, output load is NOT connected to batteries).

LM2596 DC-DC step-down regulator LED Constant Current Driver Use:

  • Make sure operating current and Max operating Voltage of the LED you need to drive.
  • Adjust the constant voltage potentiometer to make sure the output Voltage is up to LED Max operating Voltage.
  • Use the multimeter in 10A current scale to measure output short-circuit current, and adjust the current potentiometer.To make sure the output current to the expected LED operating current.
  • Join LED, test (For the above 3 steps, module input terminal is connected to power source,
    output load is NOT connected to LED).

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