概要

説明

The ISL6744A is a low cost, primary side, double-ended controller intended for applications using full and half-bridge topologies for unregulated DC/DC converters. It is a voltage-mode PWM controller designed for half-bridge and full-bridge power supplies. It provides precise switching frequency control, adjustable soft-start, precise dead time control with dead times as low as 35ns, and overcurrent shutdown. The ISL6744A is identical to the ISL6744, but is optimized for higher noise environments. Low start-up and operating currents allow for easy biasing in both AC/DC and DC/DC applications. This advanced BiCMOS design features low start-up and operating currents, adjustable switching frequency up to 1MHz, 1A FET drivers, and very low propagation delays for a fast response to overcurrent faults.

特長

  • Precision duty cycle and dead time control
  • 100μA start-up current
  • Adjustable delayed overcurrent shutdown and restart
  • Adjustable oscillator frequency up to 2MHz
  • 1A MOSFET gate drivers
  • Adjustable soft-start
  • Internal over-temperature protection
  • 35ns control to output propagation delay
  • Small size and minimal external component count
  • Input undervoltage protection
  • Pb-free (RoHS compliant)

製品比較

アプリケーション

アプリケーション

  • Telecom and Datacom Isolated Power
  • DC Transformers
  • Bus Converters

ドキュメント

分類 タイトル 日時
データシート PDF 1.10 MB
製品変更通知 PDF 178 KB
製品変更通知 PDF 266 KB
Product Advisory PDF 106 KB
製品変更通知 PDF 398 KB
製品変更通知 PDF 74 KB
製品変更通知 PDF 108 KB
アプリケーションノート PDF 509 KB
アプリケーションノート PDF 397 KB
9件

設計・開発

モデル