IRU3018

Features: ` Provides single chip solution for Vcore, GTL+ & clock supply` 200mA On-Board LDO Regulator` Designed to meet the latest Intel specification for Pentium II™` On-Board DAC programs the output voltage from 1.3V to 3.5V` Linear regulator controller on board for 1.5V GTL+ ...

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IRU3018 Picture
SeekIC No. : 004378828 Detail

IRU3018: Features: ` Provides single chip solution for Vcore, GTL+ & clock supply` 200mA On-Board LDO Regulator` Designed to meet the latest Intel specification for Pentium II™` On-Board DA...

floor Price/Ceiling Price

Part Number:
IRU3018
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:

` Provides single chip solution for Vcore, GTL+ & clock supply
` 200mA On-Board LDO Regulator
` Designed to meet the latest Intel specification for Pentium II™
` On-Board DAC programs the output voltage from 1.3V to 3.5V
` Linear regulator controller on board for 1.5V GTL+ supply
` Loss-less Short Circuit Protection with HICCUP
` Synchronous operation allows maximum efficiency patented architecture allows fixed frequency operation as well as 100% duty cycle during dynamic load
` Soft-Start
` High current totem pole driver for direct driving of the external power MOSFET
` Power Good Function monitors all outputs
` Over-Voltage Protection circuitry protects the switcher output and generates a fault signal
` Thermal Shutdown
` Logic Level Enable Input



Application

· Total Power Solution for Pentium II processor application


Pinout

  Connection Diagram


Specifications

V5 Supply Voltage ....................................................... 7V
V12 Supply Voltage ................................................... 20V
Storage Temperature Range .................. -65°C To 150°C
Operating Junction Temperature Range .....0°C To 125°C



Description

The IRU3018 controller IC is specifically designed to meet Intel specification for Pentium II™ microprocessor applications as well as the next generation of P6 family processors. The IRU3018 provides a single chip controller IC for the Vcore, LDO controller for GTL+ and an internal 200mA regulator for clock supply which are required for the Pentium II applications. These devices IRU3018 feature a patented topology that in combination with a few external components as shown in the typical application circuit, will provide in excess of 18A of output current for an onboard DC-DC converter while automatically providing the right output voltage via the 5-bit internal DAC. The IRU3018 also features loss-less current sensing for both switchers by using the RDS(on) of the high-side power MOSFET as the sensing resistor, internal current limiting for the clock supply, and a Power Good window comparator that switches its open collector output low when any one of the outputs is outside of a pre-programmed window. Other features of the device are: Under-voltage lockout for both 5V and 12V supplies, an external programmable soft-start function, programming the oscillator frequency via an external resistor, Over-Voltage Protection (OVP) circuitry for both switcher outputs and an internal thermal shutdown.




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