LED 驱动器,4 沟道,带 32 个调光级别
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CAT3648 是一款高能效分数型电荷泵,最多可驱动四个 LED,可通过单线数字接口进行编程。包含的 1.33x 分数型电荷泵模式与传统的 1.5x 电荷泵相比,可将器件能效提高达 10%,且无增加的外部电容器。 通过恒定开关频率运行可实现低噪声输入波纹,允许使用小型外部陶瓷电容器。该多分数型电荷泵支持 2.4 V 至 5.5 V 的宽输入电压范围。 EN/DIM 逻辑输入作为芯片启用和数字调光接口,用于设置所有 LED 沟道中的电流。1 线脉冲调光接口支持 32 个线性步进,从全电流到零电流。
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Die Related Summary Data
Device: CAT3648HV3-GT2
Equivalent to wafer fab process: CMOS SUB
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平均故障间隔时间/平均无故障时间(按小时计算)
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CMOS SUB
2
920154574
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Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)