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ADM1030 - Intelligent Temperature Monitor and PWM Fan Controller

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Part number ADM1030
Manufacturer ON Semiconductor
File Size 317.12 KB
Description Intelligent Temperature Monitor and PWM Fan Controller
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ADM1030 Intelligent Temperature Monitor and PWM Fan Controller The ADM1030 is an ACPI-compliant two-channel digital thermometer and under/over temperature alarm, for use in computers and thermal management systems. Optimized for the Pentium III, the higher 1C accuracy offered allows systems designers to safely reduce temperature guardbanding and increase system performance. A Pulsewidth Modulated (PWM) Fan Control output controls the speed of a cooling fan by varying output duty cycle. Duty cycle values between 33%–100% allow smooth control of the fan. The speed of the fan can be monitored via a TACH input for a fan with a tach output. The TACH input can be programmed as an analog input, allowing the speed of a 2-wire fan to be determined via a sense resistor.
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