1. LED driver power chip: DCL2118 LED driver chip, integrated, modular, digital. Leading the LED industry revolution.
2. LED constant current drive IC DCL2118 is the drive system of UTO transmission line transformer ACtoDC equipment and free LED constant current function. Eliminates the need for an external inductor, transformer, and rectifier diode to change LED lighting applications:
DCL2118 7mm Ì7mm
Application products: LED fluorescent tube T8 (downlight, spotlight, etc.)
The circuit diagram is a bit more complicated than the traditional one.
1. 23Pin is 7mm Ì7mm TQFN package: full name small leadless four-sided flat package.
2. DCL100VAC to 140VAC, DCL2118200VAC to 250VAC. The DCL2118 produces a programmable constant output current.
3. Their internal four-channel digital circuit achieves high power factor PF: 0.99
4. Dimming control can be modulated by using different internal program table duty cycle pulse width modulation.
5. For DC constant current drive AC
6. Transformerless design: Wide input voltage range: 100VAC-140VAC/200VAC-250VAC
7. Constant current accuracy: +-10%
8. LED driver: 20mA-120 mAh DCL2118
9. High power factor: PF: 0.99
10. Total harmonic distortion (THD): about 10%
11. Automatic synchronization 50HZ / 60HZ AC input frequency control
12. LED protection constant current drive and power compensation
13. Working temperature: -40 ° C - +85 ° C
The advantages of DCL 2188 are as follows:
1. Improve the life of LED lights
The DCL2118 is 100 million (test data is available). (Traditional power supply time is 2-3 million hours)
2. Their internal four-channel digital circuits achieve high power factor. (PF: 0.99)
3. The customer is easy to use and design (can improve efficiency during production operation, high energy efficiency: can increase 85-93%)
4. The actual cost of the IC is relatively low.
5. Solved the size of the traditional power supply, the determination of high heat
6. Total harmonic (xie) wave distortion THD. (about 10% lower)
Now IC (non-isolated) can directly replace LED energy-saving lamp power supply (SMPS), the current is very stable, the working temperature is low, the product life can reach 100,000 hours, which directly saves the production cost for the customer, and also facilitates production control and volume. It is easy to export and has carried out an epoch-making reform of the industry.
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