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MFG:FDS  Package Cooled:SMD  D/C:09+  

FAN5009 Product Image

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Part Number: FAN5009

 

MFG: FDS

Package Cooled: SMD

D/C: 09+

Description: The FAN5009 is a dual, high frequency MOSFET driver, specifically designed to drive N-Channel po...


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FAN5009 General Description


The FAN5009 is a dual, high frequency MOSFET driver, specifically designed to drive N-Channel power MOSFETs in a synchronous-rectified buck converter.  These drivers, combined with a Fairchild Multi-Phase PWM controller and power MOSFETs, form a complete core voltage regulator solution for advanced microprocessors.

The FAN5009 drives the upper and lower MOSFET gates of a synchronous buck regulator to 12VGS.  The upper gate drive includes an integrated boot diode and requires only an external bootstrap capacitor (CBOOT).  The output drivers in the FAN5009 have the capacity to efficiently switch power MOSFETs at frequencies up to 500kHz.  The circuit's adaptive shoot-through protection prevents the MOSFETs from conducting simultaneously. 

FAN5009 Maximum Ratings

Parameter Min. Max. Units
VCC to PGND 0.3 15 V
PWM and OD pins 0.3 5.5 V
SW to PGND Continuous 1 15 V
Transient ( t=100nsec, F500kHz) 5(1) 25 V
BOOT to SW 0.3 15 V
BOOT to PGND Continuous 0.3 30 V
Transient ( t=100nsec, F500kHz) 33(1) V
HDRV VSW1 VBOOT+0.3 V
LDRV Continuous 0.5 VCC+0.3 V
Transient ( t=200nsec) 2(1) V

FAN5009 Features

• Drives N-channel High-Side and Low-Side MOSFETs in a synchronous buck configuration
• 12V High-Side and 12V Low-Side Drive
• Internal Adaptive "Shoot-Through" Protection
• Integrated Bootstrap Diode for High-Side Drive
•Fast rise and fall times
• Switching Frequency Up to 500kHz
•OD input for Output Disable allows for  synchronization with PWM controller
• SOIC-8 Package
•Available in low thermal resistance MLP package

FAN5009 Typical Application

• Multi-phase VRM/VRD regulators for Microprocessor Power
• High Current/High Frequency DC/DC Converters
• High Power Modular Supplies

FAN5009 Connection Diagram

FAN5009 Connection Diagram

FAN5009 datasheet

FAN5009
PDF/DataSheet Download

  • Datasheet: FAN5009
  • File Size: 171974 KB
  • Manufacturer: FAIRCHILD [Fairchild Semiconductor]
  • Click here to Download

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