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MAX6684

Features: Dedicated Fan-Failure Detector Works with Ordinary 2-Wire Fans No Fan Tachometer Output Required No Software Development Required No Analog Circuit Design RequiredLogic-Level Fan Driver Control Works with Fans Rated Up to 24V/250mA ApplicationDesktop PCsNotebooksNetworking EquipmentTelec...

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SeekIC No. : 004411803 Detail

MAX6684: Features: Dedicated Fan-Failure Detector Works with Ordinary 2-Wire Fans No Fan Tachometer Output Required No Software Development Required No Analog Circuit Design RequiredLogic-Level Fan Driver Co...

MAX6684 Data Sheet

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Part Number:
MAX6684
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

Dedicated Fan-Failure Detector
Works with Ordinary 2-Wire Fans
No Fan Tachometer Output Required
No Software Development Required
No Analog Circuit Design Required
Logic-Level Fan Driver Control
Works with Fans Rated Up to 24V/250mA


Application

Desktop PCs
Notebooks
Networking Equipment
Telecommunications
Industrial Applications


Pinout

Connection Diagram


Specifications

Voltages Referenced to GND, Unless Otherwise Noted
VCC.....................................................................-0.3V to +6.0V
FC+, FC-...................................................-0.3V to (VCC + 0.3V)
OFF , FAIL............................................................-0.3V to +6.0V
PGND..................................................................-0.3V to +0.3V
SENSE to PGND................................................-0.3V to +28.0V
SENSE Current.............................................................1400mA
Continuous Power Dissipation (TA = +70)
8-Pin SO (derate 5.9mW/ above +70).....................470mW
Operating Temperature Range ..........................-40 to +85
Storage Temperature Range.............................-65 to +150
Junction Temperature.....................................................+150
Soldering Temperature (vapor phase, 60s)....................+215
Soldering Temperature (infrared, 15s)............................+220


Description

The MAX6684 is an integrated fan-failure detector thatdetects when a fan exhibits excessive underspeed or alocked rotor. This device is especially well suited for criti-cal systems where no fan control, or simple on/off controlis desired. The MAX6684 detects fan failure by evaluat-ing fluctuations in current at the low side of the fan; notachometer signal is necessary. The output of the device,FAIL , is an active-low, open-drain alarm. The MAX6684can also be used to switch the fan on or off, based onthe state of a logic-level input, OFF . This device can beused with fans rated at up to 24V and 250mA. TheMAX6684 is available in an 8-pin SO package, and isspecified for operation from -40 to +85.




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