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MFG:IOR
Part Number: IRU3055
MFG: IOR
Description: The IRU3055 is a 3-phase synchronous Buck controller which provides high performance DC to DC converte...
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IRU3055
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DataSheet
General Description
IRU3055 General 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.
IRU3055 Maximum Ratings
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
VCL1 and VCL23 Supply Voltage ...................................................... 20V
VCC Supply Voltage .......................................................................... 7V
Storage Temperature Range .......................................... -65To 150
Operating Junction Temperature Range ........................... 0 To 125
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 Function
·Hiccup Mode Current Limit
·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
IRU3055 Typical Application
·Intel Pentium 4 and AMD K7
IRU3055 Connection Diagram
IRU3055CQ
PDF/DataSheet Download
- Datasheet: IRU3055CQ
- File Size: 28255 KB
- Manufacturer: IRF [International Rectifier]
- Click here to Download
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