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IR3527 Datasheet Dual Phase

Manufacturer: International Rectifier (now Infineon)

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General Description

The IR3527 Dual Phase IC combined with an IR XPhase3 Control IC provides a full featured and flexible way to implement multiphase power solutions.

The Control IC provides overall system control and interfaces with any number of IR3527 Phase ICs which each drive and monitor 2 phases of a Synchronous Buck converter.

The IR3527 implement an independent power savings function for each power stage and sequential phase timing for use in single output multiphase converters.

Overview

IR3527 DATA SHEET XPHASE3TM DUAL PHASE IC.

Key Features

  • x x x x x x x x x x x x 7V/1.3A gate drivers (2.6A 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 Self-calibration of PWM ramp, current sense amplifier, and current share amplifier Single-wire bidirectional average current sharing Only three external components per phase, plus common decoupling capacitors Power State Indicator (PSI) interface provides the c.

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