Fan Controllers | ADM1031

Intelligent Temperature Monitor and Dual PWM Fan Controller

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Overview

The ADM1031 is an ACPI-compliant, three-channel digital thermometer and under/over temperature alarm for use in personal computers and thermal management systems. Optimized for the Pentium® III, the part offers a 1°C higher accuracy, which allows system designers to safely reduce temperature guard-banding and increase system performance.

  • Thermal Management
  • Notebook and Desktop Computers
  • Game Consoles
  • RFID Readers
  • Two-Channel Remote Thermal Diode Monitor, Dual PWM Fan Controller for Multi-Fan Based PCs or Notebooks
  • Pin Compatible with the ADM1030
  • Programmable (ACPI) and Automatic Fan Speed Control
  • Automatic Fan Speed Control
  • Control Loop
  • RPM Select Mode to Maintain Constant Fan Speed
  • External Temperature Measurement Accurate to 1°C using Remote Diode
  • 0.125°C Resolution on External Temperature Channel
  • Pulse Width Modulation Fan Control (PWM)
  • Programmable PWM Frequency

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CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

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ON Target

Data Transmission Standard

ICC Max (mA)

VCC Min (V)

VCC Max (V)

T Min (°C)

T Max (°C)

Pricing ($/Unit)

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ADM1031ARQZ-REEL

Obsolete

Pb

A

H

P

QSOP-16

492-01

1

260

REEL

2500

N

SMBus

3

3

5.5

0

100

Price N/A

More Details

ADM1031ARQZ

Obsolete

Pb

A

H

P

QSOP-16

492-01

1

260

TUBE

98

N

SMBus

3

3

5.5

0

100

Price N/A

More Details

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