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MAX6670 - Remote Temperature Switches

This page provides the datasheet information for the MAX6670, a member of the MAX6668 Remote Temperature Switches family.

Datasheet Summary

Description

The MAX6668/MAX6670 remote-junction thermal switches with an internal power transistor drive a cooling fan rated for supply voltages up to +12V and 250mA.

Features

  • an open-drain WARN output that goes active when the remote temperature exceeds the factory-programmed fan activation threshold by +15°C. The MAX6670 features an open-drain OT output that goes active when the remote temperature exceeds the factory-programmed threshold by +30°C. The MAX6668/MAX6670 provide a fan-control input,.

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Datasheet preview – MAX6670

Datasheet Details

Part number MAX6670
Manufacturer Maxim Integrated Products
File Size 252.40 KB
Description Remote Temperature Switches
Datasheet download datasheet MAX6670 Datasheet
Additional preview pages of the MAX6670 datasheet.

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Full PDF Text Transcription

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19-2133; Rev 2; 11/02 Remote Temperature Switches with Integrated Fan Controller/Driver General Description The MAX6668/MAX6670 remote-junction thermal switches with an internal power transistor drive a cooling fan rated for supply voltages up to +12V and 250mA. These devices measure the temperature of an external P-N junction (typically a diode-connected transistor) and turn on the fan power switch when the remote temperature rises above a factory-programmed threshold. Self-contained and requiring no software development, the MAX6668/MAX6670 are simple “drop-in” fan-control solutions for a variety of systems. The MAX6670 features an open-drain WARN output that goes active when the remote temperature exceeds the factory-programmed fan activation threshold by +15°C.
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