概览

ISL6721 是一款低功耗、单端脉宽调制（PWM）电流模式控制器，专为各种 DC/DC 转换应用而设计，包括升压、反激式和隔离式输出配置。 峰值电流模式控制可有效处理电源瞬变，并提供内置过流保护。 其他特性包括低功耗模式，在过压和过流关断故障期间，电源电流降至小于 200μA。 这种先进的 BiCMOS 设计具有低工作电流、高达 1MHz 的可调工作频率、可调软启动和双向 SYNC 信号，可将振荡器锁定到外部时钟，以满足对噪声敏感的应用需求。

ISL6721 Functional Diagram
ISL6721 Functional Diagram
  • 1A MOSFET 栅极驱动器
  • 100μA 启动电流
  • 具有峰值电流模式控制的快速瞬态响应
  • 可调开关频率高达 1MHz
  • 双向同步
  • 低功耗禁用模式
  • 因 OV 和 OC 关断故障而延迟重启
  • 可调斜率补偿
  • 可调软启动
  • 可调过流关断门限
  • 可调紫外线和过压线监测器
  • 前沿消隐
  • 集成热关断
  • 1% 容差电压基准
  • 可提供无铅型号（符合 RoHS 要求）

应用

  • 电信和数据通信电源
  • 无线基站电源
  • 文件服务器电源
  • 工业电力系统
  • 隔离式降压和回扫稳压器
  • 升压稳压器

文档

设计和开发

软件与工具
iSim:PE Offline Simulation Tool
iSim Personal Edition (iSim:PE) speeds the design cycle and reduces risk early in any project, identifying parts that can be used in current as well as next-generation designs.
下载
ISL6721 iSim:PE Model
 Simulator 瑞萨电子
1 item

开发板与套件

ISL6721EVAL3Z Resonant Reset Forward Converter Eval Board

ISL6721EVAL3Z

评估
了解更多

Resonant Reset Forward Converters for Low Power Applications Evaluation Board

The ISL6721EVAL3Z evaluation board serves as a reference design for a single switch resonant reset forward converter with multiple outputs for typical industry...

特色文件:
ISL6721EVAL3Z User Guide
ISLACDC750W-MBEV1Z Motherboard

ISLACDC750WEVKIT1Z

评估
了解更多

Boost PFC and Asymmetrical Full-Bridge ZVS Converter Evaluation Kit

The ISLACDC750WEVKIT1Z evaluation kit is designed to demonstrate ATX PC power supply applications based on the ISL6754 ZVS full-bridge PWM controller, ISL6731A and

特色文件:
ISLACDC750WEVKIT1Z Evaluation Kit User Guide

ECAD 模块

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

扩展 ECAD 模块
Diagram of ECAD Models

产品选择

    Processing table
    Pkg. Type
    Carrier Type
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    购买 / 样片
    器件号
    ISL6721ABZ-T
    circle有效
    memory
    spa
    view_in_ar
    可提供样片
    		 SOICN Reel 3 获取样片,
    ISL6721AVZ
    circle有效
    memory
    spa
    view_in_ar
    可提供样片
    		 TSSOP Tube 1 获取样片,
    ISL6721AVZ-T
    circle有效
    memory
    spa
    view_in_ar
    		TSSOP Reel 1 3.125
    Parametric Table tips

    Tips for Using This Parametric Table:

    • Hide Filters button in header: Collapse or expands filters
    • Column sort buttons in header: Sort Column alphabetically / numerically descending or ascending
    • Reset button in header: Reset all filters to the page default
    • Full Screen button in header: Expand the table to full screen view (user must close out of full screen before they can interact with rest of page)
    • Export button in header: Export the filtered results of the table to an Excel document
    • Filter parts search bar in header: Type to filter table results by part number
    • Hide column button in column headers: Select to hide columns in table
    • AND / OR toggle switches in header: Toggles the logic of this particular filter to be “AND” or “OR” logic for filtering results
    • Multiselect checkboxes at beginning of each row in table: Select these checkboxes to compare products against each other
    • Document icon next to product name in row: View the featured document for this product
    • Chip icon next to the right of the document icon in row: View the block diagram for this product
    • Cart icon to the right of the chip icon: Indicates that samples are available for this product