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| 74HC174DR资料 | |
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74HC174DR PDF Download |
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File Size : 116 KB
Manufacturer:TI Description:this clamp must be activated as an indication of reaching the UVLO on threshold. The internal reference (REF) is brought up when the UVLO on threshold is crossed. The startup logic ensures that LINE and REF are above and SHTDWN is below their respective thresholds before outputs are asserted. LINE input is useful for monitoring actual input voltage and shutting off the IC if it falls be- low a programmed value. A resistive divider should be used to connect the input voltage to the LINE input. This feature can protect the power supply from excessive currents at low line voltages. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：74HC174DR 厂 家：TI 封 装：3.9mm 批 号：03+ 数 量：7 说 明： |
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运 费：广东省内10元(平邮),广东省外20元(快递) 所在地：深圳市 新旧程度： |
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