HV9912DB1 是一款 LED 驱动器演示板,能够通过 21 - 27VDC 输入驱动多达 20 个串联的一瓦 LED。它在升压拓扑中使用 HV9912。该转换器在整个输入和输出电压范围内 (<+/- 1%) 具有非常好的初始调节 (+/-5%) 和出色的线路和负载调节。转换器的满载效率通常大于 90%
说明
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HV9912DB1, is an LED driver Demo Board capable of driving up to 20 one-watt LEDs in series from an input of 21 - 27VDC. It uses the HV9912 in a boost topology. The converter has very good initial regulation (+/-5%) and excellent line and load regulation over the entire input and output voltage range (<+/- 1%). The full load efficiency of the converter is typically greater than 90%