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IR3507

Features: · Power State Indicator (PSI) interface provides the capability to maximize the efficiency at light loads.· 7V/2A gate drivers (4A GATEL sink current)· Converter output voltage up to 5.1 V (Limited to VCCL-1.4V)· Loss-less inductor current sensing· Feed-forward voltage mode control· Inte...

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SeekIC No. : 004376220 Detail

IR3507: Features: · Power State Indicator (PSI) interface provides the capability to maximize the efficiency at light loads.· 7V/2A gate drivers (4A GATEL sink current)· Converter output voltage up to 5.1 V...

IR3507 Data Sheet

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Part Number:
IR3507
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:

· Power State Indicator (PSI) interface provides the capability to maximize the efficiency at light loads.
· 7V/2A gate drivers (4A GATEL sink current)
· Converter output voltage up to 5.1 V (Limited to VCCL-1.4V)
· Loss-less inductor current sensing
· Feed-forward voltage mode control
· Integrated boot-strap synchronous PFET
· Only four external components per phase
· 3 wire analog bus connects Control and Phase ICs (VID, Error Amp, IOUT)
· 3 wire digital bus for accurate daisy-chain phase timing control without external components
· Anti-bias circuitry prevents excessive sag in output voltage during PSI de-assertion
· PSI input is ignored during power up
· 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 20L 4 X 4mm MLPQ package
· RoHS compliant






Specifications

Stresses beyond those listed under "Absolute Maximum Ratings" 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 IR3507 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 IR3507 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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