FAN5093

Features: • Programmable output from 800mV to 1.550V in 25mV steps using an integrated 5-bit DAC• Two interleaved synchronous phases for maximum performance• 100nsec transient response time• Built-in current sharing between phases• Remote sense• Programmable Act...

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SeekIC No. : 004340395 Detail

FAN5093: Features: • Programmable output from 800mV to 1.550V in 25mV steps using an integrated 5-bit DAC• Two interleaved synchronous phases for maximum performance• 100nsec transient resp...

floor Price/Ceiling Price

Part Number:
FAN5093
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: 2024/3/28

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Product Details

Description



Features:

• Programmable output from 800mV to 1.550V in 25mV steps using an integrated 5-bit DAC
• Two interleaved synchronous phases for maximum performance
• 100nsec transient response time
• Built-in current sharing between phases
• Remote sense
• Programmable Active Droop (Voltage Positioning)
• Programmable switching frequency from 100KHz to 1MHz per phase
• Adaptive delay gate switching
• Integrated high-current gate drivers
• Integrated Power Good, OV, UV, Enable/Soft Start functions
• Drives N-channel MOSFETs
• Operation optimized for 12V operation
• High efficiency mode (E*) at light load
• Overcurrent protection using MOSFET sensing
• 24 pin TSSOP package
 




Application

• Power supply for PentiumIV
• Power supply for Athlon
• VRM for Pentium IV processor
• Programmable step-down power supply



Specifications

 

Parameter

Min.

Max.

Unit

Supply Voltage VCC

 

15

V

Supply Voltages BOOT to PGND

 

24

v

BOOT to SW

 

24

v

Voltage Identification Code Inputs, VID0-VID4

 

6

v

VFB, ENABLE/SS, PWRGD, DROOP/E*

 

6

v

SWA, SWB to AGND (<1s)

-3

15

v

PGNDA, PGNDB to AGND

-0.5

0.5

v

Gate Drive Current, peak pulse

 

3

A

Junction Temperature, TJ

-55

150

°C

Storage Temperature

-65

150

°C




Description

The FAN5098 is a synchronous two-phase DC-DC controller IC which provides a highly accurate, programmable output voltage for the AMD ® Hammer™ processor. Two interleaved synchronous buck regulator phases with built-in current sharing operate 180° out of phase to provide the fast transient response needed to satisfy high current applications while minimizing external components.

The FAN5098 features Programmable Active Droop for transient response with minimum output capacitance. It has integrated high-current gate drivers, with adaptive delay gate switching, eliminating the need for external drive devices. The FAN5098 uses a 5-bit D/A converter to program the output voltage from 800mV to 1.550V in 25mV steps with an accuracy of 1%. The FAN5098 uses a high level of integration to deliver load currents in excess of 50A from a 12V source with minimal external circuitry.

The FAN5098 also offers integrated functions including Power Good, Output Enable/Soft Start, under-voltage lockout,over-voltage protection, and adjustable current limiting with independent current sense on each phase. It is available  in a 24 pin TSSOP package.




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