多模式原边反馈CC/CV控制功率开关 SA3546S

SA3546是一款集成功率MOSFET的高性能准谐振原边反馈控制器，应用于离线式小功率AC/DC开关电源，为低成本开关电源系统提供高性价的解决方案，可提供高精度的CC/CV控制，适用于充电器、适配器和内置电源等应用。在恒压CV模式，采用准谐振与多模式技术提高效率并消除音频噪音，使得系统满足6级能效标准，可调输出线补偿功能使系统获得更好的负载调整率；在恒流CC模式，输出电流和功率可以通过CS电阻进行调节。SA3546具有多种保护功能以应对系统的各种异常状态。主要包括：逐周期限流保护、VDD欠压/过压保护、输出短路/过压保护和过温保护等。系统发生异常时，芯片将被保护，直到系统恢复正常状态。SA35 • 内置600V高压功率MOSFET\n• 音频噪声去除功能\n• 优化的动态响应\n• CV模式下的可编程线缆压降补偿(CDC)\n• 脉冲前沿消隐(LEB)\n• SOP-7L封装\n;

Sisoft

矽硕

3.3 V UNDERVOLTAGE SENSING CIRCUIT

DESCRIPTION The SG3546 is an undervoltage sensing circuit specifically designed for use as a reset controller in 3.3V microprocessorbased applications. Its micropower operation makes this device ideal for portable applications where extended battery life is required. The device offers a 1.2V temp

文件：156.08 Kbytes 页数：7 Pages

Microsemi

美高森美

3.3V UNDERVOLTAGE SENSING CIRCUIT

文件：319 Kbytes 页数：7 Pages

Microsemi

美高森美

3.3 V UNDERVOLTAGE SENSING CIRCUIT

DESCRIPTION The SG3546 is an undervoltage sensing circuit specifically designed for use as a reset controller in 3.3V microprocessorbased applications. Its micropower operation makes this device ideal for portable applications where extended battery life is required. The device offers a 1.2V temp

文件：156.08 Kbytes 页数：7 Pages

Microsemi

美高森美