DC2479A-B 演示电路采用 LTM4650EY-1,这是一款高效率、高密度、双路 25A、单路 50A 开关模式降压
电源模块稳压器,具有外部补偿功能。输入电压为4.5V至15V。输出电压可编程范围为 0.6V 至 1.8V。 DC2479A-B 配置为双相、单输出,最大可提供高达 50A 的电流。该电路板采用最少的元件进行设计,以展示这种高效率、高密度的模块。如数据表中所述,对于某些 VIN、VOUT 和热条件,需要降低输出电流额定值。 LTM4650EY-1 的这些特性以及采用紧凑型 16mm × 16mm × 5.01mm BGA 封装的可用性使其成为许多高密度负载点应用的理想选择
说明
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DC2479A-B, Demonstration Circuit features the LTM4650EY-1, high efficiency, high density, dual 25A, single 50A switch mode step-down power module regulator with external compensation. The input voltage is from 4.5V to 15V. The output voltage is programmable from 0.6V to 1.8V. The DC2479A-B is configured as dual-phase, single-output, which can deliver up to 50A maximum. The board designs with minimum components to demonstrate this high efficiency, high density module. As explained in the data sheet, output current de-rating is necessary for certain VIN, VOUT and thermal conditions. These features and the availability of the LTM4650EY-1 in a compact 16mm × 16mm × 5.01mm BGA package make it ideal for use in many high-density point-of-load applications
主要特色
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Conversion Type
DC to DC
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Input Voltage
4.5 to 15 V
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Output Voltage
0.6 to 1.8 V
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Output Current
50 A
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Efficiency
86.6 %
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Topology
Buck