3858 Allicdata Electronics
Allicdata Part #:

3858-ND

Manufacturer Part#:

3858

Price: $ 52.29
Product Category:

Power Supplies - External/Internal (Off-Board)

Manufacturer: Inspired LED, LLC
Short Description: 12V, 20W LINDRIVE DIMMABLE LED D
More Detail: LED Driver Topology Output
DataSheet: 3858 datasheet3858 Datasheet/PDF
Quantity: 1000
1 +: $ 47.53350
Stock 1000Can Ship Immediately
$ 52.29
Specifications
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Part Status: Active
Description

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LEDs are an important source of light in the modern world. They are used in a number of applications, including industrial, consumer, automotive, and medical applications. As the power requirements of LED systems increase, more efficient and powerful LED drivers are needed. The 3858 is a type of LED driver, designed and manufactured by Fairchild Semiconductor, which provides a higher efficiency, higher power, and longer life than other LED drivers.

The 3858 is a synchronous boosting LED driver, which is able to deliver power from a variety input sources, such as alternating current (AC) or direct current (DC). It is highly efficient, as it is able to boost output voltage up to 5 times that of the input voltage, while providing up to 94% efficiency. It is also able to operate over a wide input voltage range, from 8 volts to 36 volts. The 3858 is also highly Integrated, offering features such as programmable overcurrent protection, overvoltage protection, short-circuit protection, and soft start.

As the 3858 is a LED driver, it is designed to support a wide range of LED applications. It can be used in LED lighting applications, such as residential and commercial lighting, as well as industrial and medical lighting. It can also be used in automotive applications, such as high-beam headlights and taillights. In addition, it can be used in consumer applications, such as LCD backlighting and LED indicators.

The working principle of the 3858 LED driver is based on a synchronous buck-boost concept. It uses a pair of external MOSFETs and an inductor to convert the input voltage to the desired output voltage. The MOSFETs are switched in a pulse-width modulation (PWM) scheme, which enables the driver to accurately control the output voltage and current. The inductor also helps to reduce power losses and provide a higher efficiency.

In addition to the synchronous buck-boost circuit, the 3858 also includes additional features which can be used to optimize the output. These features include spread spectrum modulation to reduce voltage noise, programmable current limit, programmable soft start, and overvoltage protection.

In conclusion, the 3858 is an efficient and powerful LED driver designed and manufactured by Fairchild Semiconductor. It is designed to support a wide range of LED applications, including industrial, consumer, automotive, and medical applications. It is based on a synchronous buck-boost concept which enables it to accurately control the output voltage and current. In addition, the 3858 also offers programmable features to optimize the output. These features include spread spectrum modulation, overvoltage protection, programmable current limit, and programmable soft start.

The specific data is subject to PDF, and the above content is for reference

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