PFC/PWM Controller Combination

文件：647.31 Kbytes 页数：24 Pages

Fairchild

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CCM PFC + PWM 组合控制器

高度集成的 FAN4800A/C 和 FAN4801/02/02L 特别为由升压 PFC 和 PWM 组成的电源设计。仅需要极少的外部元件便可实现各种保护/补偿。采用 16 引脚 DIP 和 SOP 封装。PWM 可用于电流或电压模式中。在电压模式中，基于 PFC 输出总线的前馈可减少次级输出的纹波。与先前的产品相比，ML4800、FAN4800 和 FAN4800A/C 具有较低的工作电流，可减少外部器件的功耗。FAN4800A/C 和 FAN4801/02/2L 具有 PWM 的 49.9% 精确占空比（最大值），从而能够延长保持时间。ML4800 和 FAN4800 没有欠压保护 •与 ML4800、FAN4800、CM6800 和 CM6800A 保持引脚到引脚的兼容性。\n•可为 PWM 配置电流模式或前馈电压模式操作\n•在一个 IC 中具有内部同步的前沿 PFC 和后沿 PWM\n•低工作电流\n•创新性开关电荷乘法器除法器\n•平均电流模式，可实现输入电流整形应用\n•PFC 过压和欠压保护\n•PFC 反馈开环保护\n•PWM 逐周期限流\n•启动时序控制和软启动\n•欠压保护\n•交错式 PFC/PWM 开关\n•FAN4801/02/02L 在轻载情况下提高效率\n•fRTCT=4\n• fPFC=4\n•fRTCT=4\n• fPWM （针对 FAN4;

ONSEMI

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PFC/PWM Controller Combination

Introduction This application note describes step-by-step design considerations for a power supply using the FAN480X controller. The FAN480X combines a PFC controller and a PWM controller. The PFC controller employs average current mode control for Continuous Conduction Mode (CCM) boost converter

文件：659.78 Kbytes 页数：24 Pages

Fairchild

仙童半导体

PFC/PWM Controller Combination

Introduction This application note describes step-by-step design considerations for a power supply using the FAN480X controller. The FAN480X combines a PFC controller and a PWM controller. The PFC controller employs average current mode control for Continuous Conduction Mode (CCM) boost converter

文件：659.78 Kbytes 页数：24 Pages

Fairchild

仙童半导体

PFC/PWM Controller Combination

Introduction This application note describes step-by-step design considerations for a power supply using the FAN480X controller. The FAN480X combines a PFC controller and a PWM controller. The PFC controller employs average current mode control for Continuous Conduction Mode (CCM) boost converter

文件：659.78 Kbytes 页数：24 Pages

Fairchild

仙童半导体

PFC/PWM Controller Combination

Description The highly integrated FAN4800AS/CS/01S/02S parts are specially designed for power supplies that consist of boost PFC and PWM. They require very few external components to achieve versatile protections / compensation. They are available in 16-pin DIP and SOP packages. The PWM can

文件：583.48 Kbytes 页数：19 Pages

Fairchild

仙童半导体

PFC/PWM Controller Combination

Description The highly integrated FAN4800AS/CS/01S/02S parts are specially designed for power supplies that consist of boost PFC and PWM. They require very few external components to achieve versatile protections / compensation. They are available in 16-pin DIP and SOP packages. The PWM can

文件：583.48 Kbytes 页数：19 Pages

Fairchild

仙童半导体

PFC/PWM Controller Combination

Introduction This application note describes step-by-step design considerations for a power supply using the FAN480X controller. The FAN480X combines a PFC controller and a PWM controller. The PFC controller employs average current mode control for Continuous Conduction Mode (CCM) boost converter

文件：659.78 Kbytes 页数：24 Pages

Fairchild

仙童半导体

PFC/PWM Controller Combination

文件：647.31 Kbytes 页数：24 Pages

Fairchild

仙童半导体

PFC/PWM Controller Combination

文件：647.31 Kbytes 页数：24 Pages

Fairchild

仙童半导体