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The RT9731A/B is a dual channel power distribution switch intended for applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered. This device offers a programmable current limit threshold between 560mA and 2.8A (typ.) per channel via an external resistor. The power-switch's rising and falling times are controlled to minimize current surges during on/off transitions. <p align="justify">Each channel of the RT9731A/B limits the output current to a safe level by switching into constant-current mode whenever the output load exceeds the current limit threshold. The FLAG logic output of each channel independently asserts low during over current. </p><p align="justify">The RT9731A/B is available in a thin WDFN-10L 3x3 package.</p>
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- 2.5V至5.5V输入电压范围
- 两个独立的限流通道
- 符合USB限流要求
- 可调电流限制从560mA到2.8A
- 2.8A时的±7.5%电流限制精度
- 两个44mΩ上桥MOSFET
- 2μA最大待机电源电流
- 内置软启动
- 薄型10引脚WDFN封装
- UL认证 - E219878
- Nemko认证 - NO65969
- 符合 RoHS 标准及不含卤素
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USB接口/集线器 数字TV 机顶盒 因特网电话
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