ST offers a large portfolio of energy-efficient LED drivers for general lighting, display backlighting, automotive, signage and traffic signals.
Ideal for both parallel and series configurations, they enable high-efficiency, high-current accuracy, low-noise and small-size solutions. Topologies include buck regulator LED drivers, boost regulator LED drivers, offline LED drivers, and more.

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Best-in-class power factor, efficiency, and reliability for LED lighting

Operating directly from the rectified mains, ST’s HVLED001A offline controller for LED lighting with constant-voltage primary-sensing, uniquely integrates both high- and low-voltage circuitry on the same chip, eliminating the cost of external high-voltage circuitry. The high power factor (>0.9), low total harmonic distortion (<10%), and high power-conversion efficiency (>90%) ensure compliance with the most stringent lighting standards in an efficient, compact, and cost-effective solution.

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eDesignSuite

LED

LED

Input
LED custom
LEDs
in the string:
This option is required. And must be a whole positive number between 1 and 20.
number of strings:
This option is required. And must be a whole positive number between 1 and 20.
出力
Voltage:
Current:
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