GFCI Controllers | FAN4147

接地故障断路器

Obsolete

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概览

FAN4147 是一款低功耗接地故障断路器 (GFI) 控制器，用于检测危险的接地和接地到零线故障的电流路径。FAN4147 应用电路会在有害触电发生之前打开负载触点。 FAN4147 内部包含二极管整流器、精密带隙 12V 分路稳压器、精确低 VOS 偏移感应放大器、时间延迟静噪滤波器、窗口检测比较器和 SCR 驱动器。FAN4147 利用最少的外部组件，检测热线接地故障和中性线到中性负载短路，并针对其提供保护。最少的组件数量和小型 SuperSOT™ 封装，可实现一个小外形、低成本方案。 FAN4147 电路有内置整流器和分路稳压器，运行时具有低静态电流。因此，可实现高值、低功耗串联电源电阻。内部温度补偿分路稳压器、感应放大器和偏置电路提供了精确接地故障检测。低 VOS 偏移感应放大器允许将感应线圈直接耦合放大器的反馈信号。因此无需大型 50/60Hz 交流耦合电容器。内部延迟滤波器抑制了电感负载常见的高频率噪声尖峰。因此减少了误滋扰跳闸。内部 SCR 驱动器具有温度补偿，可满足各种外部 SCR 的电流要求。 最少的外部组件数量和 6 引脚 SuperSOT™ 封装，可实现低成本、紧凑的设计和布局。

  • 楼宇和住宅控制
  • 消费型设备

  • 对于GFCI和RCD应用
  • 精密感应放大器和带隙基准电压
  • 内置AC整流器
  • 内置噪声滤波器
  • 低压SCR禁用
  • 直接将DC耦合至感应线圈
  • SCR栅极驱动器
  • 可调灵敏度
  • 400µA静态电流
  • 最少的外部组件
  • 满足UL 943要求
  • 适用于120V或220V的系统

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FAN4147SX

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

TSOT-23-6

419BL

1

260

REEL

3000

N

~NA~

-1.2

16

15

12.7

-35

85

Price N/A

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可靠性数据

Die Related Summary Data

Device: FAN4147SX

Equivalent to wafer fab process: 3

产品技术

产品技术

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

3

0

177026424

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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.)

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