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ISL78227 - 2-Phase Boost Controller

Description

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Features

  • Input/output voltage range: 5V to 55V, withstands 60V transients.
  • Supports synchronous or standard boost topology.
  • Peak current mode control with adjustable slope compensation.
  • Secondary average current control loop.
  • Integrated 5V 2A sourcing/3A sinking N-channel MOSFET drivers.
  • Switching frequency: 50kHz to 1.1MHz per phase.
  • External synchronization.
  • Programmable minimum duty cycle.
  • Programmable adaptive dead time.

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Datasheet preview – ISL78227

Datasheet Details

Part number ISL78227
Manufacturer Renesas Electronics
File Size 5.66 MB
Description 2-Phase Boost Controller
Datasheet download datasheet ISL78227 Datasheet
Additional preview pages of the ISL78227 datasheet.

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Full PDF Text Transcription

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ISL78227 2-Phase Boost Controller with Integrated Drivers DATASHEET The ISL78227 is an automotive grade (AEC-Q100 Grade 1), 2-phase, 55V synchronous boost controller that simplifies the design of high power boost applications. It integrates strong half-bridge drivers, an analog/digital tracking input, and comprehensive protection functions. The ISL78227 enables a simple, modular design for systems requiring power and thermal scalability. It offers peak-current mode control for fast line response and simple compensation. Its synchronous 2-phase architecture enables it to support higher current while reducing the size of input and output capacitors. The integrated drivers feature programmable adaptive dead time control offering flexibility in power stage design.
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