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FAN5346 是一款异步恒定电流 LED 驱动器,驱动串联的 LED,确保所有 LED 亮度相同。FAN5346S20X 的输出电压为 20 V,并且可以驱动最多 5 个串联的 LED。FAN5346S30X 的输出电压为 30 V,并且可以驱动最多 8 个串联的 LED。1.2MHz 的固定开关频率针对小尺寸应用进行了优化,允许使用较小的电感器和电容器。FAN5346 采用 PWM 调光控制接口来设置 LED 的亮度。将 5kHz 至 100kHz 的 PWM 信号应用到 EN 引脚上。为了实现安全性,该器件具有集成过电压、过电流、短路检测和高温关断保护。另外,如果电池电压过低,则会触发输入欠压锁定保护。
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FAN5346S20X
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FAN5346S30X
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Die Related Summary Data
Device: FAN5346S20X
Equivalent to wafer fab process: CMOS SUB
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等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
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.)