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  In this article, we'll introduce you to a series of articles based onDK8924ANIt is a 24W LED solution with high constant voltage precision, low standby power consumption and fast startup, which is suitable for LED strip power supply, intelligent lighting and other application scenarios.

Dongke 24W LED Solution Sample Version

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Program overview

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This program uses theDK8924ANThe isolated LED driver for low THD, high PF primary control quasi-resonant, constant voltage output, integrated GAN chip, built-in high-voltage start-up circuit to achieve fast start-up, THD compensation circuit to meet the high PF and low THD and get high efficiency. With perfect protection mechanism to ensure the safety of use.

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Program features

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▪ quasi-resonant mode (electronics)Work efficiently

▪ Single-stage active power factor correction

▪ Full voltage power factor>0.9 

▪ Built-in fast soft start, system start-up time

▪ Output constant voltage accuracy within ±3%

▪ Integration 650V High-voltage start-up and power supply

Integrated fast dynamic response to suppress dynamic output voltage ripple

▪ Low start-up and operating current, standby power consumption

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application scenario

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East Tech Semiconductor's 24W LED solutions are suitable for a variety of scenarios, including but not limited to:

▪ LED Strip Light

▪ External power supply

▪ Intelligent lighting, landscape lighting, etc.

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Partial test data

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Standby power consumption:

▪ Outputs test input power under no-load conditions

Average efficiency:

▪ Up to88.91%

Output voltage ripple:

▪ Input voltage 90Vac, 264Vac

▪ Load as no load and full load

Voltage Adjustment Rate:

▪ Test conditions: no load, 25%, 50%, 75%, 100% output voltage values are tested when the input voltage is 90Vac, 115Vac, 230Vac, 264Vac respectively

Harmonic Distortion (THD):

PF value:

EMC conduction testing:

EMC radiation testing:

  If you are interested in the above 24W LED solutions, please feel free to contact our sales team and we willProvide a full set of design and test dataThis makes it easy for you to quickly develop products and bring them to market.

  Thank you for your interest in TECO Semiconductor and we look forward to working with you in the future!

Past Review

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