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IR3507

Part Number	IR3507
Manufacturer	International Rectifier
Description	PHASE
Published	Feb 11, 2010
Detailed Description	IR3507 DATA SHEET XPHASE3TM PHASE IC DESCRIPTION The IR3507 Phase IC combined with an IR XPhase3 Control IC provides a f...
Datasheet	IR3507 PDF File

Overview

IR3507 DATA SHEET XPHASE3TM PHASE IC DESCRIPTION The IR3507 Phase IC combined with an IR XPhase3 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 TM phase of a multiphase converter.
The XPhase3 architecture results in a power supply that is smaller, less expensive, and easier to design while providing higher efficiency than conventional approaches.
TM FEATURES IR3507 PHASE IC • • • • • • • • • • • • • • • • 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...

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