DC-DC CC CV Buck Converter Step-down Power Module 7-32V to 0.8-28V 12A 300W,Default NO5248

Features:

Non-isolated buck constant current, constant voltage module (CC CV) charging module

Scope of application: high power LED constant current drive, battery charging (including ferroelectric), 4V, 6V, 12V, 14V, 24V battery charging, battery pack charging, solar panels, wind turbines

Input voltage: 7-32V (without constant current 5-32V)

The output voltage:

1. Continuously adjustable (0.8-28V).

2. Fixed output (arbitrarily selected between 0.8-28V)

Output current: Max 12A (power tube temperature exceeds 65 degrees, please dissipate heat, 24V to 12V, 6A or less, empty environment can generally be without fan)

Constant current range: 0.2-12A (adjustable) (no such function without constant current)

Turning lamp current: constant current value * (0.1), the lamp current is linked with the constant current value, for example, the constant current value is 3A, and the lamp current is set to 0.1 times of the constant current (0.1*3A=0.3A). When the current value is adjusted to 2A, the lamp current is 0.1 times of the constant current (0.1*2A=0.2A).

The minor version is fixed at 0.1 times (the actual lamp current is approximate value is not very accurate).

The lowest voltage difference: 1V

Output power: The maximum power is about 300W, and the power tube temperature exceeds 65 degrees. Please add a fan.

Conversion efficiency: up to about 95% (the higher the output voltage, the higher the efficiency)

Working frequency: 300KHZ

Output ripple: 20M bandwidth (for reference only)

Input 24V output 12V 5A ripple around 50mV (no noise)

Working temperature: industrial grade (-40 to +85 Celsius) (Please pay attention to the power tube temperature for actual use, please strengthen the heat when the temperature is too high)

No-load current: typical 20mA (24V to 12V)

Load regulation rate: ±1% (constant voltage)

Voltage regulation rate: ±1%

Constant current accuracy and temperature: In actual test, the temperature on the module changes from 25 degrees to 60 degrees, and the constant current value changes less than 5% (constant current value 5A)

Dynamic response speed: 5% 200uS

Potentiometer adjustment direction: clockwise (increase), counterclockwise (decrease) close to the input potentiometer for voltage regulation (CV), near the output potentiometer for current regulation (CC)

Indicator light: Two-color indicator light, red light during charging, green light after charging completion (no load is green) Light without constant current is red.

Specification:

Output short circuit protection: Yes, constant current (current setting constant current value)

Input reverse connection protection: No

Output prevents backflow: No

Wiring method: terminal block

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