FAN5353 是一款步降开关稳压器，基于 2.7V 至 5.5V 的输入电压提供可可调输出。FAN5353 采用具有同步整流功能的专属结构，能够以超过 85% 的能效提供 3 A 电流，同时保持高达 90% 的极高能效。该稳压器的标称固定运行频率为 3 MHz，会将输出电感器的外部组件值降至 470 nH，将输出电容器的外部组件值降至 10 µF。如果需要在瞬变期间进行更严格的调节，还可以增加附加输出电容，而不会影响稳定性。该稳压器包括一个开漏电源正常 (PGOOD) 信号，当输出未处于调节状态时，该信号会拉低。在关断模式下，电源电流降至 1 µA 以下，减少了功耗。FAN5353 采用 12 引线 3x3.5mm MLP 封装。
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FAN5353MPX
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WDFN-12
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260
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3000
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2.7
5.5
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3
85
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