MAX6668, MAX6670 Remote Temperature Switches With Integrated Fan Controller/Driver

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 active-low WARN output that goes active when the remote temperature exceeds the factory-programmed fan activation threshold by +15C. The MAX6670 features an open-drain OT output that goes active when the remote temperature exceeds the factory-programmed threshold by +30C. The MAX6668 MAX6670 provide a fan-control input, active-low FORCEON, that allows the fan to be driven externally, regardless of temperature.
Available temperature thresholds range from +40C to +75C in 5C increments. Hysteresis is preset to 8C on the MAX6668 or pin selectable to 4C, 8C, or 12C using a three-level Logic input on the MAX6670. Temperature threshold accuracy is 1C (typ) and 2.2C (max) for remote-junction temperatures from +40C to +75C.
The MAX6668 MAX6670 operate from a +3V to +3.6V power supply, and are specified over the automotive temperature range (-40C to +125C). The MAX6668 is offered in an 8-pin MAX package and the MAX6670 is available in a space-saving 10-pin MAX package.
By Maxim Integrated Products
MAX6670 's PackagesMAX6670 's pdf datasheet
MAX6670AUB75
MAX6670AUB55 uMAX
MAX6670AUB50 uMAX
MAX6670AUB70-T uMAX
MAX6670AUB65T uMAX
MAX6670AUB60 uMAX
MAX6670AUB40T uMAX
MAX6670AUB45T uMAX
MAX6670AUB65 uMAX
MAX6670AUB55T uMAX
MAX6670AUB60T uMAX
MAX6670AUB70T uMAX
MAX6670AUB70 uMAX
MAX6670AUB65-T uMAX
MAX6670AUB50T uMAX
MAX6670AUB40 uMAX
MAX6670AUB40-T uMAX
MAX6670AUB45 uMAX
MAX6670AUB45-T uMAX
MAX6670AUB50-T uMAX
MAX6670AUB55-T uMAX
MAX6670AUB60-T uMAX




MAX6670 Pinout, Pinouts
MAX6670 pinout,Pin out
This is one package pinout of MAX6670,If you need more pinouts please download MAX6670's pdf datasheet.

MAX6670 Application circuits
MAX6670 circuits
This is one application circuit of MAX6670,If you need more circuits,please download MAX6670's pdf datasheet.


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