VLSL4236A

Temperature - Test:	25°C
Base Part Number:	VLSL4236
Lens Type:	Flat
Light Emitting Surface (LES):	--
Height:	1.20mm
Size / Dimension:	135.00mm L x 135.00mm W
Features:	--
Viewing Angle:	--
CRI (Color Rendering Index):	--
Current - Max:	1A
Lumens/Watt @ Current - Test:	48 lm/W
Voltage - Forward (Vf) (Typ):	21V
Series:	--
Current - Test:	750mA
Flux @ Current/Temperature - Test:	750 lm (Typ)
Configuration:	Square
Wavelength:	--
CCT (K):	3500K
Color:	White, Warm
Type:	LED Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	--

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LED Lighting - COBs, Engines, Modules

LED lighting is becoming the preferred choice for most applications and lighting products due to its energy efficiency and lifetime of one or two decades. LEDs are replaceable, recyclable and adjustable lights that can be designed to fulfill any requirement, from residential to commercial to industrial applications. LED lighting is divided into three categories: COBs, engines, and modules. VLSL4236A is an LED engine that has many advantages for LED lights and can be used in various applications. This article will discuss the application field and the working principle of the VLSL4236A.

Applications Field

The VLSL4236A LED engine is designed to meet the requirements of high-power LED lighting applications, such as industrial, medical, and commercial lighting. The engine consists of two rows of four multi-colour LEDs, which can be easily interchanged depending on the colour preference of the user. It can provide a wide range of constant current outputs (up to 300mA) and a wide range of dimming functions, such as PWM and analog dimming. The engine also offers excellent thermal performance, which makes it suitable for high-power applications.

Working Principle

The VLSL4236A LED engine uses a constant current drive circuitry to control the brightness of the LEDs. The engine consists of a buck converter and a push-pull converter, which are connected to one another to form a Buck & Push design. The Buck & Push design ensures that the output current is always kept constant and that the dimming steps can also be adjusted.The engine also employs Analog Dimming and PWM Dimming technologies to provide various dimming options. In Analog Dimming, the output of the engine is adjusted in predefined steps while in PWM Dimming, the output is controlled by a signal of variable amplitude and frequency. This feature allows the engine to be used in applications that require variable dimming, such as stage lighting or DJ lighting.In addition, the VLSL4236A LED engine features an edge-mounted design that allows for low-profile LED light fixtures. This edge-mounted design creates a slim form factor, thus reducing the size of the LED light fixtures and making them even more efficient.

Conclusion

The VLSL4236A LED engine is designed to meet the requirements of high-power LED lighting applications, yet still be adjustable and efficient. Its constant current drive and dimming options make it suitable for a variety of applications and its edge-mounted design allows for low-profile LED light fixtures. All of these features combined make VLSL4236A an ideal choice for any LED lighting application.

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