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LED Driver Board, Light Strap 10-48 Inch LED Driver Board 200MA Adjustable Current 15-88V Output  For Home Use

<ul><li>Suitable for 10-48 inch LCD TVs for all brands and models.</li><li>Input voltage: 11-30V; Output voltage: 15-88V, default current 200MA.</li><li>Connect the resistors to solder the marker points to increase the current accordingly.</li><li>The output voltage is 15-88V, no need to change manually, the board will automatically adapt to boost.</li><li>The 10MA-1000MA current can be adjusted as needed.</li></ul>

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Specification: Features: 1. Suitable for 10-48 inch LCD TVs for all brands and models. 2. Input voltage: 11-30V; Output voltage: 15-88V, default current 200MA. 3. Connect the resistors to solder the marker points to increase the current accordingly. 4. The output voltage is 15-88V, no need to change manually, the board will automatically adapt to boost. 5. The 10MA-1000MA current can be adjusted as needed. Specification: Color: green Uses: for 10-48 inch LED TVs and monitors Input voltage range: 11-30V Output voltage range: 15-88V Output current: 10-1000MA can be set Package List: 1 x Driver Board Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Correctly illuminate problems that may be encountered: 1. The brightness is not enough, the screen is obviously darker than the original board. At this time, we start from two aspects. First, after connecting the dimming foot, try to adjust the brightness with the remote control. If it can't be solved, test the actual. The voltage of the pin, Note: my product has the highest brightness at 0V, and the brightness is the darkest when the voltage is high. If the voltage range of the analog voltage mode is between 0V-5V or 0V-3.3V, if the voltage is always high The voltage cannot be reduced and should be adjusted. If it is a PWM signal, the voltage is stable at 3.3V. At this time, if the light is adjusted to the brightest or the requirement is not met, the second scheme must be implemented. Second, adjust the resistance on the board to increase the current to meet the requirements. In view of the fact that many buyers do not understand the topology of the LED driver board, the lack of understanding of its working principle directly leads to the consequences of not being able to use it correctly! Hereby, our company briefly introduces the current popular topology solutions. There are three main types of topologies: boost, , boost-. 1. The boost topology means a boost type. Interpretation: The constant current plate using such a scheme requires the load voltage Vout to be higher than the power input voltage Vin, and the ratio is greater than 1:1.5, that is, if the input voltage is 12V, the voltage of the LED string must be At 18V or above, the LED booster board can work normally. If the voltage of the LED string is slightly higher than VIN or lower than VIN, the LED will be on when the device is powered on, and the driver board switch, dimming, etc. cannot be used. The consequences of control. 2. The advantage of the Boost scheme is that the structure is simple and the efficiency is high. The disadvantage is that the boost ratio is limited, and the optimum boost ratio is generally 2-4 times. When the frequency exceeds 6 times, the switching loss increases sharply, the temperature of the switching device rises sharply, and the stability of the system deteriorates. 2. topology means step-down type. Interpretation: The constant current plate using such a scheme requires the load voltage Vout to be lower than the power supply input voltage VIN, that is, if the input voltage is 12V, the voltage of the light bar is lower than 12V, which is 24VIN. It is lower than 24V, and if the voltage of the LED strip is higher than VIN, it cannot be driven to light. The scheme has the advantages of simple

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