The ISL6752/54EVAL1Z is a new design based on the ISL6752EVAL1Z but with several design modifications to improve the efficiency from 90% to 95%. The control circuit has been moved off the main board onto a daughter card. Two different daughter cards are provided: one using the ISL6752 and the other using the ISL6754. Both control cards utilize the Renesas zero voltage switching (ZVS) topology. The ISL6752 daughter card features pulse by pulse current limiting, and the ISL6754 daughter card features a patented method for average current limiting that results in a brick-wall current limit profile. The ISL6752DBEVAL1Z and the ISL6754DBEVAL1Z daughter cards are also available as standalone evaluation kits.

The PCB layout of the ISL6752/54EVAL1Z has also been greatly improved over the ISL6752EVAL1Z. Even though the overall size of the board has been reduced, the copper losses have been reduced.

In addition to the ZVS function, this board also incorporates N-Channel FETs as secondary side rectifiers, also known as synchronous rectifiers (SR). Power dissipation of the secondary side rectifiers is reduced because the conduction losses of SRs are significantly less than the conduction losses of PN or Schottky diodes.

特性

  • Absolute maximum input voltage 450VDC
  • Operating input voltage 350V to 450VDCC
  • Maximum input current 2.5ADC
  • Rated output current 50ADC
  • Current limit 60A ± 5%
  • Output voltage 12V ± 5%
  • Efficiency at 100% (50A) load 95%
  • Efficiency at 20% (10A) load 92%

应用

  • ZVS full-bridge converters
  • Telecom and datacom power
  • Wireless basestation power
  • File server power
  • Industrial power systems

tune产品选择

器件号 Part Status Buy Sample
ISL6752DBEVAL1Z
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description文档

文档标题 language 类型 文档格式 文件大小 日期
数据手册与勘误表
ISL6752 Datasheet 数据手册 PDF 1.02 MB
ISL6754 Datasheet 数据手册 PDF 1.43 MB
使用指南与说明
star AN1603: ISL6752/54EVAL1Z User Guide 手册 - 开发工具 PDF 3.45 MB
应用指南 & 白皮书
AN1262: Designing with the ISL6752, ISL6753 ZVS Full-Bridge Controllers 应用文档 PDF 581 KB
AN1619: Designing with ISL6752DBEVAL1Z and ISL6754DBEVAL1Z Control Cards 应用文档 PDF 1.49 MB

file_download下载

文档标题 language 类型 文档格式 文件大小 日期
Hardware
ISL6752DBEVAL1Z, ISL6754DBEVAL1Z Design Files PCB设计文档 ZIP 2.45 MB