ELG-240-54

Voltage - Isolation:	3750kV
Approvals:	CB, CCC, CE, cURus, ENEC
Mounting Type:	Chassis Mount
Size / Dimension:	7.87" L x 2.80" W x 1.48" H (200.0mm x 71.0mm x 37.5mm)
Termination Style:	Wire Leads
Efficiency:	93%
Operating Temperature:	-40°C ~ 90°C
Ratings:	IP67
Features:	OCP, OTP, OVP, SCP
Dimming:	Analog, PWM
Series:	ELG-240
Power (Watts):	240W
Current - Output (Max):	4.45A
Voltage - Output:	54V
Voltage - Input (Max):	305VAC
Voltage - Input (Min):	100VAC
Number of Outputs:	1
Topology:	AC DC Converter
Type:	Constant Current, Voltage
Part Status:	Active

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LED Drivers: ELG-240-54 Application Field and Working Principle

Light-emitting diodes (LEDs) are increasingly replacing traditional lighting technologies in a wide range of lighting applications. Owing to their long life and high efficiency, LEDs are typically used in high-end lighting applications, such as automotive headlamps, wall-mounted troffers and industrial lighting.In most lighting applications, it is necessary to use LED drivers to ensure that the LEDs are protected from hazardous conditions and that they can perform optimally. ELG-240-54 is one of the most popular LED drivers currently on the market. This article traces the history of the ELG-240-54 LED driver, explains its application field, and provide an overview of its working principle.The ELG-240-54 LED driver was developed by the Radiant Design Solutions division of TB&A International, a leading provider of lighting solutions. It was released in 2009 and has since become the gold standard for LED lighting drivers. The ELG-240-54 driver has an input voltage range of between 100-277 VAC and a power factor of >0.9 and is suitable for both indoor and outdoor applications. It can drive a variety of different LED products, making it an ideal choice for new lighting installations.The ELG-240-54 is a constant current LED driver, meaning that its output maintains a constant current despite variations in its input and output voltages. This ensures that the LED operates in a stable manner, reducing the possibility of thermal runaway. As well as this, the ELG-240-54 also incorporates several safety features to ensure that the LED is reliably protected against overloads, surges and short-circuits.In terms of its working principle, the ELG-240-54 converts alternating current (AC) to direct current (DC) to power the LED. This is done using a rectifier circuit to convert the AC input to DC. This DC is then filtered and regulated by a buck/boost converter to provide a constant output current. Finally, the output of the ELG-240-54 is switched at a frequency of around 20kHz to ensure that the LED is both efficiently and reliably powered.To summarise, the ELG-240-54 is an important tool in LED lighting technology and has numerous applications in both indoor and outdoor environments. Its constant current driving capability and safety features make it the perfect solution for lighting projects requiring reliable and long-term performance. Thanks to its efficient and reliable performance, the ELG-240-54 is quickly becoming one of the most popular LED drivers available.

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