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MAX6670 Datasheet Remote Temperature Switches

Manufacturer: Maxim Integrated (now Analog Devices)

Download the MAX6670 datasheet PDF. This datasheet also includes the MAX6668 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (MAX6668_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

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.

Overview

19-2133; Rev 2; 11/02 Remote Temperature Switches with Integrated Fan.

Key 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,.

More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
MAX6672 PWM Output Temperature Sensors
MAX6673 PWM Output Temperature Sensors
MAX6678 2-Channel Temperature Monitor
MAX6602 Five-Channel Precision Temperature Monitor
MAX6603 Platinum RTD-to-Voltage Signal Conditioner
MAX6612 High-Slope Low-Power - Analog Temperature Sensor in an SC70 Package
MAX6615 Dual-Channel Temperature Monitors and Fan-Speed Controllers
MAX6616 Dual-Channel Temperature Monitors and Fan-Speed Controllers
MAX6618 PECI-to-I2C Translator
MAX6620 Quad Linear Fan-Speed Controller