AP7343-28W5-7

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The AP7343-28W5-7 Linear Regulator Independent LED power supply is a new PMIC - Voltage Regulator - Linear device produced by Anpec Electronics. It is mainly used in LED lighting applications such as LED billboard, LED lamps, LED strips, display boards, and so on.

The AP7343-28W5-7 is mainly made of polycrystalline silicon. The optimally designed power field + voltage regulator structure provides high efficiency and excellent load performance. It has a wide voltage input range of 8V - 28V, can support up to 7 output channels and a total output power of 16W with low ripple, making it an ideal independent LED power supply for most lighting applications.

Apart from its large operating temperature range (from -40℃ to +125℃), the AP7343-28W5-7 features high accuracy output voltage, low shutdown current and over-temperature/over-current protections. Also, it has a current range selection pin, which allows users to select the terminal current values for better flexibility and low cost.

The independent LED power supply adopts a linear regulation working principle. It has a simple circuit design where the switch mode power field provides constant current to each output channel, while the linear regulator is responsible for maintaining the accuracy of the voltage which is essential in a lighting application.

The AP7343-28W5-7 uses high efficiency, low dropout linear regulators to reduce ripple, make the power supply more stable and give out better lighting performance. The power field has an efficiency rating of up to 95%, making the power supply more energy-saving.

The AP7343-28W5-7 has an over-temperature protection feature to prevent damage to the LED from excessive heat. This is done by sensing the power device’s temperature, and reducing the LED current when the temperature reaches the over-temperature limit. Similarly, it has an over-current protection feature which will shut down the LED current when it surpasses the intended limit.

In conclusion, the AP7343-28W5-7 Linear Regulator Independent LED power Supply is an ideal device for LED billboard, LED lamps, LED strips, display boards and other lighting applications. With its linear regulation working principles and excellent features, it provides reliable and efficient LED lighting in a cost-effective way.

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