20A Constant Current Adjustable Step-down Power Module 300W High Power Synchronous Rectification Power Module Charging LED Driver Board COD

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Scope of application	High-power LED constant current drive, lithium battery charging (including ferroelectric), 4V, 6V, 12V, 14V, 24V battery charging, NiCdNiMH battery (battery pack) charging , solar panels, wind generators
Input voltage	DC6-40V
Output voltage	Continuously adjustable (1.2-32VDC) below 32V for a long time (suitable for applications where the input voltage is higher than the output voltage and cannot be boosted)
Output current	Maximum 20A within 15A for a long time (power tube temperature exceeds 65 degrees, please add a fan to dissipate heat, high voltage output please derate use)
Adjustable resistance	100K
Current limit range	0.2-20A (adjustment) module exceeds 65 degrees, please add a fan .
Minimum dropout voltage	3V
Operating frequency	150KHZ
Conversion efficiency	Up to about 96% efficiency is related to dropout voltage and operating environment
Output ripple	Ripple around 50mV (excluding noise) 20M bandwidth (for reference only) input 24V Measured
Working temperature	-10°C to +75°C) (please pay attention to the power tube temperature in actual use, if the temperature is too high, please strengthen heat dissipation or derate use)
Potentiometer adjustment direction	Clockwise (increase), counterclockwise (decrease )
Output short-circuit protection	YES (instantaneous protection) constant current (currently set constant current value can not be short-circuited for a long time)
Wiring method	Terminal block
Module size	60*53*30MM
Net weight	about 85 grams

Features:

1. Wide range of applications: The adjustable step-down power supply module is suitable for a variety of applications, including high-power LED constant current drive, lithium battery charging, battery charging for different voltage levels, solar panels, wind generators, and more. 2. High output current: With a maximum output current of 20A and long-term output current of 15A, this module can handle high-power applications with ease. However, it is important to note that when the power tube temperature exceeds 65 degrees, it is recommended to add a fan to dissipate heat and derate use for high voltage output. 3. Continuously adjustable output voltage: The output voltage can be continuously adjusted from 1.2-35VDC, making it ideal for applications where the input voltage is higher than the output voltage and cannot be boosted. 4. High conversion efficiency: With up to about 96% efficiency, this module is highly efficient and can help save energy and reduce costs. The efficiency is related to dropout voltage and operating environment. 5. Compact size and easy installation: The module is small in size (60*53*30MM) and easy to install with a terminal block wiring method. It also comes with output short-circuit protection for added safety. Overall, the adjustable step-down power supply module is a versatile and reliable solution for a wide range of applications, offering high output current, continuously adjustable output voltage, high conversion efficiency, and easy installation in a compact size.

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