LPF-40D-42

Voltage - Isolation:	3.75kV
Approvals:	CB, CCC, CE, cURus, ENEC, PSE, TUV
Mounting Type:	Chassis Mount
Size / Dimension:	6.40" L x 1.69" W x 1.26" H (162.5mm x 43.0mm x 32.0mm)
Termination Style:	Wire Leads
Efficiency:	88.5%
Operating Temperature:	-40°C ~ 80°C
Ratings:	IP67
Features:	OCP, OTP, OVP, SCP
Dimming:	Analog, PWM
Series:	LPF-40D
Power (Watts):	40W
Current - Output (Max):	960mA
Voltage - Output:	25.2 ~ 42 V
Voltage - Input (Max):	305VAC
Voltage - Input (Min):	90VAC
Number of Outputs:	1
Topology:	AC DC Converter
Type:	Constant Current
Part Status:	Active

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Introduction

LED drivers are an important part of LED lighting technology. LPF-40D-42 is a well-known product of Litesi\'s LED driver series. It is developed by experienced engineers to provide a powerful and reliable solution for lighting applications.

Features of LPF-40D-42

LPF-40D-42 is a constant current-mode LED driver, designed to drive up to 42 LEDs in a series. Its efficacy can reach up to 93%, and its total power can reach 75 W. This product is able to deliver high efficiency, reliable operation, and long lifetime performance. It is also equipped with short circuit and open circuit protection, with temperature limit control.

Application Field of LPF-40D-42

LPF-40D-42 is mainly used for industrial lighting applications such as lighting industry, medical industry, and lighting for public buildings. Additionally, it can be used in outdoor lighting such as street lights, highway lights, and LED outdoor billboards. It is also suitable for other LED lighting applications, such as tunnel lighting, stage lighting, and emergency lighting.

Working Principle of LPF-40D-42

The working principle of LPF-40D-42 is based on constant current power. The circuit first transforms the input power to an appropriate voltage level, and then delivers the power to the LED chain. The output voltage is controlled by a feedback circuit, and the output current is adjusted by the power supply components. The devices have a built-in constant current control circuit.

Conclusion

LPF-40D-42 is a reliable and efficient LED driver, widely used in various lighting applications such as industrial lighting, outdoor lighting and emergency lighting. Its efficacy can reach up to 93%, and the total power over 75 W, so it’s the most popular product of Litesi’s LED driver series. In addition, it is equipped with short circuit and open circuit protection, with temperature limit control.

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