LMD300-0040-C900-2020000

Dimming:	DALI
Weight:	0.581 lb (263.54g)
Approvals:	CE, CQC, cULus
Mounting Type:	Chassis Mount
Size / Dimension:	8.07" L x 3.15" W x 1.38" H (205.0mm x 80.0mm x 35.0mm)
Termination Style:	Wire Leads
Efficiency:	85%
Operating Temperature:	0°C ~ 70°C
Ratings:	IP20, NEMA 410
Features:	--
Series:	LMD300
Power (Watts):	35W
Current - Output (Max):	900mA
Voltage - Output:	39V
Voltage - Input (Max):	264VAC
Voltage - Input (Min):	207VAC
Number of Outputs:	1
Topology:	AC DC Converter
Type:	Constant Current
Part Status:	Active

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LED Drivers

LED drivers are an important technology for the efficient management of LED lighting. They are an integral part of all LED lighting systems, and can significantly reduce energy efficiency, improve lighting performance, and extend lamp life. The LMD300-0040-C900-2020000 is a renowned and popular LED driver in the industry. This article will discuss its application field and working principle.

Application Field

The LMD300-0040-C900-2020000 LED driver is typically used for general low to medium power outdoor lighting applications. It is designed to operate with either a 12V DC or 24V DC input source, and features a wide range of output power capacities that can deliver a maximum output of up to 40 Amps per driver. This driver is also UL listed and IP65 waterproof to resist dust and water aerated from any direction. Because of its robust construction, it is suitable for both indoor and outdoor locations and is popular among lighting professionals.

Working Principle

The LMD300-0040-C900-2020000 LED driver consists of a constant current regulator, power factor correction (PFC) circuit and input over-voltage protection circuits. It has a spread spectrum current mode design and a 4-stage architecture. The PFC input stage is designed to maintain the optimal operating current and the voltage across the LEDs under varying operating conditions. The constant current region includes a current-sense amplifier and regulated current generator to ensure that the operating current is dispersed evenly across the LEDs. The input over-voltage protection circuit is designed to protect the LED driver from voltage surges. It automatically reduces the output current once the input voltage increases beyond its predefined limit, thus protecting the LED from excessive voltage. Furthermore, the 4-stage architecture provides high efficiency and reliability.

Conclusion

The LMD300-0040-C900-2020000 LED driver is an all-purpose lighting driver. Suitable for both indoor and outdoor installation, this LED driver is equipped with advanced protection circuits to protect it from voltage and current fluctuations. It is a reliable and efficient driver suitable for low to medium power outdoor lighting applications.

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