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IRU3055

Features: ·Meets VRM 9.0 Specification·3-Phase Controller with On-Board MOSFET Driver·On-Board DAC programs the output voltage from 1.075V to 1.850V·Loss-less Short Circuit Protection·Programmable Frequency·Synchronous operation allows maximum efficiency·Minimum Part Count·Soft-Start·Power Good Fu...

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SeekIC No. : 004378840 Detail

IRU3055: Features: ·Meets VRM 9.0 Specification·3-Phase Controller with On-Board MOSFET Driver·On-Board DAC programs the output voltage from 1.075V to 1.850V·Loss-less Short Circuit Protection·Programmable F...

IRU3055 Data Sheet

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Part Number:
IRU3055
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: 2024/12/26

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Product Details

Description



Features:

·Meets VRM 9.0 Specification
·3-Phase Controller with On-Board MOSFET Driver
·On-Board DAC programs the output voltage from 1.075V to 1.850V
·Loss-less Short Circuit Protection
·Programmable Frequency
·Synchronous operation allows maximum efficiency
·Minimum Part Count
·Soft-Start
·Power Good Function
·Hiccup Mode Current Limit


Application

·Intel Pentium 4 and AMD K7


Pinout

Connection Diagram


Specifications

VCH12 and VCH3 Supply Voltage ........ 30V (not rated for inductor load)
VCL1 and VCL23 Supply Voltage ...................................................... 20V
VCC Supply Voltage .......................................................................... 7V
Storage Temperature Range .......................................... -65To 150
Operating Junction Temperature Range ........................... 0 To 125


Description

The IRU3055 is a 3-phase synchronous Buck controller which provides high performance DC to DC converter for high current applications.

The IRU3055 controller IC is specifically designed to meet Intel and AMD specifications for the new microprocessor requiring low voltage and high current.

The IRU3055 features under-voltage lockout for both 5V and 12V supplies, an external and programmable softstart function as well as programming the oscillator frequency by using an external resistor.




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