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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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LP8773 Scheda tecnica(PDF) 2 Page - Shenzhen Xinmao Microelectronics Co., Ltd. |
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LP8773 Scheda tecnica(HTML) 2 Page - Shenzhen Xinmao Microelectronics Co., Ltd. |
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2 / 11 page  LP8773 第二代准谐振 PWM 控制器 LP8773_CN_DS_Rev.1.1 www.chip-hope.com SHENZHEN Chip Hope Micro-electronicsLTD Confidential– Customer Use Only 定购信息 定购型号 封装 包装形式 打印 LP8773 SOT23-6 编带 3,000 颗/盘 73XXXX 管脚封装 xxxx：芯片批号 GND FB 1 2 3 6 5 4 DEM GATE VDD CS 图 2 管脚封装图 管脚描述 管脚号 管脚名称 描述 1 GND 芯片地 2 FB 电压反馈脚；连接光耦调节环路；PWM 占空比靠 FB 脚反馈电压和 CS 脚采样电流信号共同产生。 3 DEM 变压器退磁检测；用来设置输出过压保护和输入断电保护 4 CS 电流采样输入 5 VDD 芯片供电 6 GATE 驱动外置 MOS 栅极 |
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