IS31BL3228B-UTLS2-EB,IS31BL3228B 评估板是一款适用于白光 LED 应用的低噪声、恒定频率
电荷泵 DC/DC 转换器。 IS31BL3228B 能够在 2.8V 至 5.5V 输入电压下以每通道预设 20mA 的电流驱动多达 6 个 LED 通道。电流吸收器可单独或
并联操作以驱动更高电流的 LED。串行数字输入用于启用、禁用和设置每个 LED 的电流,具有低至 1.8mA 的 14 种设置
说明
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IS31BL3228B-UTLS2-EB, Evaluation Board for IS31BL3228B is a low noise, constant frequency charge pump DC/DC converter for white LED applications. The IS31BL3228B is capable of driving up to six channels of LEDs at preset 20mA per channel from a 2.8V to 5.5V input. The current sinks may be operated individually or in parallel for driving higher current LEDs. The serial digital input is used to enable, disable and set current for each LED with 14 settings down to 1.8mA