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TPS92411EVM-001

TEXAS INSTRUMENTS  TPS92411EVM-001.  评估板, TPS92411, 发光二极管驱动器

The is an Evaluation Module for evaluate the operation and performance of TPS92411, a floating switch for offline AC linear direct drive of LEDs. The board implements a 120VAC, 12W, phase dimmable light engine with high power factor and low LED current ripple on a single-sided metal core printed circuit board MCPCB. The included LED drive circuit is comprised of a high voltage linear regulator and TPS92411 floating switches arranged to toggle three segments of a high-voltage LED string at eight discrete points during an AC half-cycle. Unlike traditional switched mode power supply SMPS converters, the board uses no magnetic components or high speed switching for power processing.

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Low LED current ripple
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Uses no inductors or transformers
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>0.95 Power factor
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Triac and reverse phase dimmer compatible with smooth flicker-free response

TPS92411EVM-001 PDF数据文档
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