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MAX4840 - Overvoltage Protection Controllers

General Description

The MAX4838

MAX4841 are overvoltage protection ICs that protect low-voltage systems against voltages of up to 28V.

MAX4841 turn off the low-cost external N-channel FET(s) to prevent damage to the protected component

Key Features

  • include a 15kV ESD-protected input (when bypassed with a 1µF capacitor) and a shutdown pin (EN) to turn off the device (MAX4838/MAX4840). All devices are offered in a small 6-pin SC70 package and are specified for operation from -40°C to +85°C. o Overvoltage Protection Up to 28V o Preset 7.4V or 5.8V Overvoltage Trip Level o Drive Low-Cost NMOS FET o Internal 50ms Startup Delay o Internal Charge Pump o Undervoltage Lockout o 15kV ESD-Protected Input o Voltage Fault FLAG Indicator o 6-Pin SC70 Pa.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX4841 Overvoltage Protection Controllers
MAX480 High-Precision / Low-Voltage / Micropower Op Amp
MAX481 Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-3044; Rev 0; 10/03 Overvoltage Protection Controllers with Status FLAG General Description The MAX4838–MAX4841 are overvoltage protection ICs that protect low-voltage systems against voltages of up to 28V. If the input voltage exceeds the overvoltage trip level, the MAX4838–MAX4841 turn off the low-cost external N-channel FET(s) to prevent damage to the protected components. An internal charge pump eliminates the need for external capacitors and drives the FET gate for a simple, robust solution. The MAX4838/MAX4839 have a 7.4V overvoltage threshold, and the MAX4840/MAX4841 have a 5.8V overvoltage threshold. All devices have an undervoltage lockout threshold of 3.25V.