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MAX4960 - High-Voltage OVP

This page provides the datasheet information for the MAX4960, a member of the MAX4959 High-Voltage OVP family.

Description

The MAX4959/MAX4960 overvoltage protection controllers protect low-voltage systems against high-voltage faults of up to +28V.

When the input voltage exceeds the overvoltage lockout (OVLO) threshold, these devices turn off an external pFET to prevent damage to the protected components.

Features

  • MAX4959/MAX4960 Ordering Information PART TEMP RANGE PINTOP.

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Datasheet preview – MAX4960

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Full PDF Text Transcription

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www.DataSheet4U.com 19-0874; Rev 0; 7/07 High-Voltage OVP with Battery Switchover General Description The MAX4959/MAX4960 overvoltage protection controllers protect low-voltage systems against high-voltage faults of up to +28V. When the input voltage exceeds the overvoltage lockout (OVLO) threshold, these devices turn off an external pFET to prevent damage to the protected components. The undervoltage lockout (UVLO) threshold holds the external pFET off until the input voltage rises to the correct level. An additional safety feature latches off the pFET when an incorrect low-power adapter is plugged in. The MAX4959/MAX4960 control an external battery switchover pFET (P2) (see Figures 4 and 6) that switches in the battery when the AC adapter is unplugged.
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