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MAX4840EXT+T

过压保护器, 1.2 V至28 V输入, SC-70-6

MAXIM INTEGRATED PRODUCTS MAX4840EXT+T
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制造商产品编号:
MAX4840EXT+T
库存编号
2514508
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产品概述

The MAX4840EXT+T is an overvoltage protection controller with status FLAG in 6 pin SC-70 package. The device protects low voltage systems against voltages of up to 28V. If the input voltage exceeds overvoltage trip level, the MAX4840 turns off the low cost external N-channel FET to prevent damage to protected components. An internal charge pump eliminates the need for external capacitors and drives FET gate for a simple and robust solution. In addition to single FET configuration, the device can be configured with back to back external FETs to prevent currents from being back-driven into adapter. On power-up, the device waits for 50ms before driving GATE high. The active-low FLAG is held low for an additional 50ms after GATE goes high before deasserting. The MAX4840 has an open-drain active-low FLAG output. The active-low FLAG output asserts immediately to an overvoltage fault.
  • Input voltage range from 1.2V to 28V
  • Operating temperature range from -40°C to 85°C
  • Undervoltage lockout (UVLO) threshold of 3.25V and undervoltage lockout hysteresis of 50mV
  • Internal charge pump circuitry
  • Overvoltage trip level of 5.8V and overvoltage trip level hysteresis of 80mV
  • IN supply current of 140µA and UVLO supply current of 150µA
  • 15KV ESD protected input (when bypassed with 1µF capacitor)
  • Shutdown pin (EN) to turn off the device

应用

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警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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:
过压保护器

:
1.2V

:
28V

:
SC-70

:
6引脚

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 -无限制
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技术文档 (1)

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