高精度的CC/CV初级反馈控制器电路

D3821/D3822/D3825是一款低成本、高性价比的PWM功率开关，内置BJT，适用于离线式小功率AC/DC充电器、电源适配器。它采用原边控制方式，因此无需TL431和光耦，使外围设计简单同时节约生产成本。\n 该芯片有更低的启动电流，可有效地减少系统启动电路的损耗；更低的工作电流，可有效降低系统的损耗，提高系统的效率。内置前沿消隐（LEB），可以消除开关管每次开启产生的干扰，同时为系统节省了一个外部的R-C网络。\n D3821/D3822/D3825同时内置多种保护功能：过压保护、逐周期峰值电流限制、欠压锁定、FB开环保护等。由于D3821具有高度集成性，可以使用外围较少元件。采用D ·全电压范围CC/CV精度保持在±5%以内\n·采用原边控制，无需TL431和光耦\n·欠压锁定（UVLO）及自动重启\n·内置BJT（13003）\n·内置前沿消隐（LEB）\n·逐周期限流模式\n·输出线压降补偿\n·内置原边绕组电感补偿\n·VDD 过压保护功能\n·内置短路保护\n·SOP8、DIP8无铅封装;

Silicore

芯谷科技

Analog Coaxial Pigtailed Laser Module

Description The LSAX82X is a compact analog coaxial pigtailed laser transmitter, operating in the 1300 nm wavelength region and coupling light to single mode fiber. Features • Compact Coaxial Package • Strained Multi Quantum Well (SMQW) Laser Chip • Low Thresholds Current and Operating Curren

文件：192.62 Kbytes 页数：6 Pages

HP

安捷伦

Analog Coaxial Pigtailed Laser Module

Description The LSAX82X is a compact analog coaxial pigtailed laser transmitter, operating in the 1300 nm wavelength region and coupling light to single mode fiber. Features • Compact Coaxial Package • Strained Multi Quantum Well (SMQW) Laser Chip • Low Thresholds Current and Operating Curren

文件：192.62 Kbytes 页数：6 Pages

HP

安捷伦

2-ch DC/DC Converter IC With Synchronous Rectifier

■ DESCRIPTION The MB3821 is a pulse width modulation (PWM) type 2-channel DC/DC converter IC with synchronous rectification designed for low voltage, high efficiency operation in high precision and high frequency applications, ideal for down conversion. A normal/low-power mode selection is provi

文件：273.62 Kbytes 页数：24 Pages

FUJITSU

富士通