DC2113A 演示电路是一款采用 LTC3649 的高输入电压、高效率同步单片降压转换器。 DC2113A 具有 3.1V 至 60V 的宽输入电压范围。 DC2113A的输出电压可设置为3.3V或5V。 DC2113A 能够提供高达 4A 的输出电流。 DC2113A 支持三种操作模式：固定频率调制、突发模式操作，用户也可以将其与外部时钟同步。固定频率工作模式可最大限度地提高输出电流、减少输出
电压纹波并产生低噪声开关频谱。突发模式操作采用可变频率开关算法，可最大限度地减少空载输入静态电流并提高轻负载时的效率
说明
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DC2113A, Demonstration Circuit is a high input voltage, high efficiency synchronous monolithic buck converter featuring the LTC3649. The DC2113A has wide input voltage range from 3.1V up to 60V. The output voltage of the DC2113A can be set as to 3.3V or 5V. The DC2113A is capable of delivering up to 4A of output current. DC2113A supports three operation modes: Fixed-Frequency modulation, Burst Mode operation and the user can synchronize it with external clock also. Fixed-Frequency mode of operation maximizes the output current, reduces output voltage ripple and yields a low noise switching spectrum. Burst Mode operation employs a variable frequency switching algorithm that minimizes the no-load input quiescent current and improves efficiency at light loads
主要特色
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Conversion Type
DC to DC
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Input Voltage
3.1 to 60 V
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Output Voltage
3.3|5 V
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Output Current
4 A
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Efficiency
97 %
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Topology
Buck
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