OC5801L 宽输入电压降压型恒压恒流 DC-DC 控制器
■OC5801L 是一款支持宽电压输入的开关降压型 DC-DC 控制器,最高输入电压可超过 150V。OC5801L 具有低待机功耗、高效率、低纹波、优异的母线电压调整率和负载调整率等特性。支持大电流输出,输出电流可高达 10A 以上。
■OC5801L 同时支持输出恒压和输出恒流功能。通过设置 CS 电阻可设置输出恒流值。通过设置 FB1、FB2 引脚的分压电阻可设置输出恒压值。
■OC5801L 采用固定频率的 PWM 控制方式,典型开关频率为 140KHz。轻载时会自动降低开关频率以获得高的转换效率。
■OC5801L 内部集成软启动以及过温保护电路,输出短路保护,限流保护等功能,提高系统可靠性。
■OC5801L 采用 SOP8 封装。
●特点
■宽输入电压范围:8V~150V
■输出电压从 4.2V 到 30V 可调
■支持输出恒压恒流
■支持输出 12V/10A,5V/5A
■高效率:可高达 96%
■工作频率:140KHz
■低待机功耗
■内置过温保护
■内置软启动
■内置输出短路保护
Datasheet |
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Please see the document for details |
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SOP8 |
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English Chinese Chinese and English Japanese |
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2023/3/6 |
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V6.0 |
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647 KB |
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