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FAN5109

Features: Drives N-channel High-Side and Low-Side MOSFETs in a Synchronous Buck ConfigurationEnhanced Upgrade to FAN5009Direct Interface to FAN5019B/FAN5182 and other compatible PWM Controllers12V High-Side and 12V Low-Side DriveInternal Adaptive Shoot-Through ProtectionFast Rise and Fall ...

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SeekIC No. : 004340399 Detail

FAN5109: Features: Drives N-channel High-Side and Low-Side MOSFETs in a Synchronous Buck ConfigurationEnhanced Upgrade to FAN5009Direct Interface to FAN5019B/FAN5182 and other compatible PWM Controller...

FAN5109 Data Sheet

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Part Number:
FAN5109
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

Drives N-channel High-Side and Low-Side MOSFETs in a Synchronous Buck Configuration
Enhanced Upgrade to FAN5009
Direct Interface to FAN5019B/FAN5182 and other compatible PWM Controllers
12V High-Side and 12V Low-Side Drive
Internal Adaptive "Shoot-Through" Protection
Fast Rise and Fall times
Switching Frequency above 500kHz
OD input for Output Disable allows for synchroni-zation with PWM Controller
SOIC-8 Package


Application

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


Pinout

Connection Diagram


Specifications

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) 38(1) V
HDRV VSW1 VBOOT+0.3 V
LDRV Continuous 0.5 VCC V
Transient ( t=200nsec) 2(1) VCC+0.3 V



Description

The FAN5109 is a high-frequency driver, specifically designed to drive N-Channel power MOSFETs in a syn- chronous-rectified buck converter. This driver, combined with a Fairchild Multi-Phase PWM controller and power MOSFETs, form a complete core voltage regulator solu- tion for advanced microprocessors.

The FAN5109 drives the upper and lower MOSFET gates of a synchronous buck regulator up to 12VGS.  The FAN5109's output drivers can efficiently switch power MOSFETs at frequencies above 500kHz. The circuit's adaptive shoot-through protection prevents the MOSFETs from conducting simultaneously.

The FAN5109 is rated for operation from 0°C to +85°C and is available in a low-cost SOIC-8 package.




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