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FAN5240MTC

FAN5240MTC Description

Two Phase PWM controller

FAN5240MTC Description

IC Controller 2PH SYNC BUCK 28TSSOP

FAN5240MTC Categories

PWM Controllers
PWM ICs

FAN5240MTC Manufacturer

Fairchild Semiconductor

FAN5240MTC Datasheet (PDF)

FAN5240MTC Datasheet
FAN5240

FAN5240MTC Price & Availability


Check FAN5240MTC Price & Availability at Canics

FAN5240MTC Features

  • CPU Core power: 0.925V to 2.0V output range
  • ±1% reference precision over temperature
  • Dynamic voltage setting with 5-bit DAC
  • 5V to 24V input voltage range
  • 2 phase interleaved switching
  • Active droop to reduce output capacitor size
  • Differential remote voltage sense
  • High efficiency:
    • >90% efficiency over wide load range
    • >80% efficiency at light load
  • Excellent dynamic response with Voltage Feed-Forward and Average Current Mode control
  • Dynamic duty cycle clamp minimizes inductor current build up
  • Lossless current sensing on low-side MOSFET or Precision current sensing using sense resistor
  • Fault protections: Over-voltage, Over-current, and Thermal Shut-down
  • Controls: Enable, Forced PWM, Power Good, Power Good Delay
  • QSOP28, TSSOP28

FAN5240MTC Description

    The FAN5240 is a single output 2-Phase synchronous buck controller to power AMD's mobile CPU core. The FAN5240 includes a 5-bit digital-to-analog converter (DAC) that adjusts the core PWM output voltage from 0.925VDC to 2.0VDC, which may be changed during operation. Special measures are taken to allow the output to transition with controlled slew rate to comply with AMD's Power Now? technology. The FAN5240 includes a precision reference, and a proprietary architecture with integrated compensation providing excellent static and dynamic core voltage regulation. The regulator includes special circuitry which balances the 2 phase currents for maximum efficiency.

    FAN5240MTC Parameters

    ApplicationsController, AMD Mobile Athlon™ and Duron™
    Product statusFull production
    Package typeTSSOP
    Leads28
    Packing methodRAIL
    Pricing*$1.85
    CategoryIntegrated Circuits (ICs)
    FamilyVoltage Regulators - Special Purpose
    Operating Temperature-10°C ~ 85°C
    Number of Outputs1
    Package / Case28-TSSOP
    Voltage - Output0.93 ~ 2 V
    Voltage - Input6 ~ 24 V
    Select parameters and click to see components with these parameters.

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    Keywords
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