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IR3505

Features: • 7V/2A gate drivers (4A GATEL sink current)• Support converter output voltage up to 5.1 V (Limited to VCCL-1.4V)• Support loss-less inductor current sensing• Feed-forward voltage mode control• Integrated boot-strap synchronous PFET• Only four IC relat...

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SeekIC No. : 004376218 Detail

IR3505: Features: • 7V/2A gate drivers (4A GATEL sink current)• Support converter output voltage up to 5.1 V (Limited to VCCL-1.4V)• Support loss-less inductor current sensing• Feed-...

IR3505 Data Sheet

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Part Number:
IR3505
Supply Ability:
5000

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

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Product Details

Description



Features:

• 7V/2A gate drivers (4A GATEL sink current)
• Support converter output voltage up to 5.1 V (Limited to VCCL-1.4V)
• Support loss-less inductor current sensing
• Feed-forward voltage mode control
• Integrated boot-strap synchronous PFET
• Only four IC related external components per phase
• 3 wire analog bus connects Control and Phase ICs (VDAC, Error Amp, ISHARE)
• 3 wire digital bus for accurate daisy-chain phase timing control without external components
• Debugging function isolates phase IC from the converter
• Self-calibration of PWM ramp, current sense amplifier, and current share amplifier
• Single-wire bidirectional average current sharing
• Small thermally enhanced 16L 3 x 3mm MLPQ package
• RoHS compliant


Specifications

Stresses beyond those listed below may cause permanent damage to the device. These are stress ratings only
and functional operation of the device at these or any other conditions beyond those indicated in the operational
sections of the specifications are not implied.

Operating Junction Temperature......0 to 150
Storage Temperature Range.......-65 to 150
MSL Rating.......................2
Reflow Temperature................260


Description

The IR3505 Phase IC combined with an IR XPhase3TM Control IC provides a full featured and flexible way to implement power solutions for the latest high performance CPUs and ASICs. The "Control" IC provides overall system control and interfaces with any number of "Phase" ICs which each drive and monitor a single phase of a multiphase converter. The XPhase3TM architecture of the IR3505 results in a power supply that is smaller, less expensive, and easier to design while providing higher efficiency than conventional approaches.




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