ESS015W-0350-42

Dimming:	ELV, Triac
Weight:	--
Approvals:	cRUcs, SA, ENEC, FC, CE, CCC, CB, KC, NEMKO, UL, CSA
Mounting Type:	Chassis Mount
Size / Dimension:	3.30" L x 1.57" W x 0.99" H (83.8mm x 39.9mm x 25.1mm)
Termination Style:	Wire Leads
Efficiency:	87%
Operating Temperature:	--
Ratings:	IP64
Features:	OCP, OTP, SCP
Series:	ESS
Power (Watts):	15W
Current - Output (Max):	350mA
Voltage - Output:	28 ~ 42 V
Voltage - Input (Max):	277VAC
Voltage - Input (Min):	120VAC
Number of Outputs:	1
Topology:	AC DC Converter
Type:	Constant Current
Part Status:	Active

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LED Drivers: ESS015W-0350-42 Application Field and Working Principle

LED lighting has become an essential part of modern life. LEDs are widely used in a variety of applications ranging from automotive lighting, outdoor lighting, home lighting, computer/electronic displays, and a multitude of other systems. LED drivers are essential components of LED-based lighting systems, providing the power and control necessary to supply precise, reliable and efficient lighting.The ESS015W-0350-42, manufactured by SwissLED, is a single-channel, Constant Current BUCK LED driver. It is specifically designed to drive strings of LEDs in a series with a constant current of 350mA. It is ideal for applications such as automotive headlights, indoor illumination, and architectural lighting.

Operating Principle

The ESS015W-0350-42 LED driver works by taking in an AC signal between 12V and 24V and using the rectified DC voltage to power the LED array. The LED driver contains a hysteretic current-mode Control topology [1] that uses a voltage-controlled oscillator at a fixed frequency of 180kHz. The LED driver utilizes a feedback loop to monitor the current and adjust the output voltage accordingly.The device has an arrangement of control terminals, including a voltage sense terminal, which monitors the voltage regulated by the LED driver. The voltage sense terminal is used to monitor the regulated voltage to ensure accuracy of the output current and that the regulation is within spec. The LED driver also has an adjustable current-sense terminal, which is used to set the output current level. The duty cycle of this terminal can also be altered to further adjust the output current.In addition to these control terminals, the device contains various features such as over-voltage protection, over-temperature protection and soft-start, which protect the device and assist in extending its lifespan.

Applications

The ESS015W-0350-42 LED driver is a versatile device and is capable of driving a range of LEDs. It is suitable for a range of applications such as automotive headlamps, LED strip lighting, LED light boxes, and other indoor lighting fixtures.This device can also be used in the Outdoor Lighting Industry, where long-distance illumination is needed. Such applications include street lighting, flood lighting, tunnel lighting, landscaping lighting, billboard lighting and more.

Conclusion

The ESS015W-0350-42 is an efficient and reliable LED driver that is designed to provide precise current regulation to power LED based lighting systems. It is suited for a wide range of applications and can provide long-distance illumination. As such, it is an ideal device for a variety of LED-based lighting systems.

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