LM2596 DC-DC BUCK CONVERTER CURRENT AND VOLTAGE ADJUSTABLE

All pictures are for illustrative purposes only.

PID# 16793

CA$20.00
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Variants:
w/ Display
w/o Display
LM2596 DC-DC BUCK CONVERTER CURRENT AND VOLTAGE ADJUSTABLE
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Description

Feature

Module property:

Non-isolated Buck, Constant Current, Constant Voltage

Mode of Rectification:

non-synchronous

Input voltage:

7V-35V

Output voltage:

1.25V-30V

Output current:

Max 3A (Adjustable)

Conversion efficiency:

92% max

Switching frequency:

150KHz

Output ripple:

30mV(max)

Load regulation:

±0.5%

Voltage regulation:

±2.5%

Working temperature:

-40℃~+85℃

Size:

4.80*2.30*1.40cm (L*W*H)

Note: If power greater than 10W, please install HEATSINK


Some Applications

  • Rechargeable lithium-ion battery:
  • Drive high power LEDs
  • Charging curve as shown below: red for the current, blue for voltag


Battery Charging Method

  • 1. Make sure the recharge battery float voltage and charge current, input voltage of the module.
  • 2. adjust constant voltage regulator, the output voltage about 5V.
  • 3. With a multimeter ( to 10A) Measuring output Short-circuit current, Also adjust the constant regulator allows Output current reaches a predetermined charge current value;
  • 4. Adjust Constant regulator allows Output voltage reaches the float voltage;
  • 5. connected to the battery, try charging.
  • (1,2,3,4 step input connect power, output do not connect battery.)

 
LED Constant Current Driver Usage

  • 1. Make sure LED current and the maximum operating voltage;
  • 2. adjust constant voltage regulator, the output voltage about 5V.
  • 3. With a multimeter ( to 10A) Measuring output Short-circuit current, Also adjust the constant regulator allows Output current reaches a predetermined LED working current value;
  • 4. Adjust Constant regulator allows Output voltage Reach LED maximum working voltage;
  • 5. Connected to the LED, test.
  • (1,2,3,4 take steps input connect power, output do not connected LED.)

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