高性价比电流模式PWM控制器适用于正激和反激电源

是一款高性价比电流模式 PWM 控制器，适合于中、大等功率反激电源方案以及正激电源方案。内置抖频功能，具有优良的 EMI 特性。芯片采用绿色节能模式和打嗝模式控制轻负载和零负载。内置有完备的保护功能：VCC 欠压保护（UVLO）、VCC 过压保护（VOP）、逐周期电流限制、过载保护、过热保护、软启动等 • 优良的 EMI 特性\n• 外围器件少\n• 光耦开路保护\n• 最大占空比 50%\n• 电流模式控制\n• 外置电阻可设 PWM 频率\n• 绿色模式和打嗝模式控制\n• 逐周期电流限制\n• 内置前沿消隐\n• 内置斜坡补偿\n• 低启动电流\n• 输出最高钳位\n• 封装形式 SOP8、DIP8;

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

High Performance Current Mode Controllers The UC3844, UC3845 series are high performance fixed frequency current mode controllers. They are specifically designed for Off–Line and dc–to–dc converter applications offering the designer a cost effective solution with minimal external components. Thes

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off–Line and dc–to–dc converter applications offering the designer a cost–effective solution with minimal external components. These integrated circuits feature an oscillat

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and dc−dc converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature an oscillator,

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

High Performance Current Mode Controllers The UC3844, UC3845 series are high performance fixed frequency current mode controllers. They are specifically designed for Off–Line and dc–to–dc converter applications offering the designer a cost effective solution with minimal external components. Thes

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

High Performance Current Mode Controllers The UC3844, UC3845 series are high performance fixed frequency current mode controllers. They are specifically designed for Off–Line and dc–to–dc converter applications offering the designer a cost effective solution with minimal external components. Thes