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Compact Thermal Supervisor With Fan Control

Tue, 02/13/2001 - 9:48am
Micrel Semiconductor has developed a two- zone thermal supervisor IC for thermal management using embedded thermal diodes such as those found in Intel Corporation's Pentium III* CPU.

The MIC284 is part of a growing family of system and thermal management products from Micrel. Available in 8-pin MSOP and SOIC packaging, the MIC284 features local and remote temperature measurement, I2C/SMBus* compatibility, a programmable interrupt output, an over-temperature alarm output, and an address selection input. The over-temperature output can be used as either a hardware shutdown signal or a fan control signal.

The MIC284's operating power supply current is a portable-friendly 0.35mA, and the quiescent current in shutdown mode is only 1.0 uA. Two package options are available. The MIC284BM is packaged in an 8-pin SOIC, whereas the MIC284BMM comes in a smaller 8-pin MSOP.

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