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Step Down Adjustable Buck Converter with Display **LOCAL STOCK**
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Product details
Step Down Adjustable Buck Converter with Display:
Category: 3200312645 / 3204312645 - Step Up Down / Voltage Regulator
Specifications:
Model: ZK-JVA-12KX
Input Voltage: 5-32V
Output Voltage: 1.25-32V Continuously Adjustable
Output Current: 12A Adjustable (12A need heat sink;8A is stable for long time)
Input: IN+ input Positive is, IN- input negative
Output: OUT+ output is positive, OUT- output negative
Module Size: 82 x 52 x 32mm
Button/Potentiometer/LED introduction:
1. Long press means keeping the press for more than 3 seconds.
2. ON/OFF: Short Press to select output. Long press is used to restore default settings.
3. IN/OUT: Short Press to switch display input voltage and output voltage. Long press to switch display to output current or output power.
4. CV Potentiometer: Adjust output voltage. Increase the output voltage when rotating clockwise.
5. CC Potentiometer: Adjust output current. Increase the output current when rotating clockwise.
6. OUT LED: Green LED, Output indicator. It will turn ON when there is a output at output terminal.
7. CC LED: Red LED, Constant current output indicator. It enters the constant current state when the load current reaches the set current and CC constant current indicator turns ON.
Using Steps:
As a ordinary step down power module:
1. Connect right input voltage at input terminal
2. Adjust CV constant voltage potentiometer to set output voltage according to requirements.
3. Rotate CC potentiometer counterclockwise to minimum setting
4. Test Output short circuit current by multimeter at 10A or 20A (Connect two Test Probes to output terminal on module)
5. Rotate CC constant current potentiometer clockwise to set output current according to requirement
As a high power LED constant current driver:
1. Make sure of the LEDs working current and maximum working voltage.
2. Connect right input voltage at input terminal. (Note: Please dont connect load during this time).
3. Test output voltage by multimeter at output terminal and adjust CV potentiometer to set output voltage to LED maximum working voltage.
4. Rotate CC potentiometer counterclockwise more than 10 turns to minimum setting
5. Test Output short circuit current by multimeter at 10A or 20A (Connect two Test Probes to output terminal on module)
6. Rotate CC constant current potentiometer clockwise to set the current to the specifications of the LED
7. Connect LED and test
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