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为了降低数据中心的功耗,服务器的总线电压越来越多地改为48V。
这是用于48V服务器的AC-DC转换器。它配备了东芝最新一代功率MOSFET和SiC二极管,可在100V至200V AC输入下高效输出54.5V DC。
该参考设计提供了电路各部分的设计要点、使用方法和调整方法的说明,以及电路图、电路板图案等对您的设计很有帮助。
请注意,截至2026年4月,TA75W393FU已被指定为“不推荐用于新设计(NRND)”。
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| 输入电压 | AC 90V至264V |
|---|---|
| 输出电压 | DC 54.5V |
| 输出功率 | 0.8kW(100V输入)、1.6kW(200V输入) |
| 电路拓扑 | 有源桥式电路+交错式PFC+3相LLC+同步整流器、输出冗余电路 |
Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.
Provides circuit data that can be loaded into EDA tools, PCB layout data, and data used in PCB manufacturing. Available in formats from multiple tool vendors. You can freely edit it with your preferred tool.
| 器件型号 | 器件目录 | 搭载部位・数量 | 说明 |
|---|---|---|---|
| 功率MOSFET(N沟道500V<VDSS≤700V) | 有源桥式电路・4 | N沟道MOSFET、600V、0.024Ω@10V、TO-247、DTMOSⅥ | |
| 功率MOSFET(N沟道500V<VDSS≤700V) | PFC电路・2 | N沟道MOSFET、600V、0.08Ω@10V、TO-247、DTMOSⅥ | |
| 功率MOSFET(N沟道500V<VDSS≤700V) | LLC谐振型DC-DC转换器一次侧电路・6 | N沟道MOSFET、600V、0.125Ω@10V、TO-220SIS、DTMOSⅥ | |
| 功率MOSFET(N沟道单通道60V<VDSS≤150V) | LLC谐振型DC-DC转换器二次侧电路・6, 冗余电路・1 | N沟道MOSFET、80V、0.00243Ω@10V、SOP Advance、U-MOSⅩ-H | |
| SiC肖特基势垒二极管 | PFC电路・2 | 650V/8A SiC肖特基势垒二极管、TO-220-2L | |
| TX03 | LLC谐振DC-DC转换器的3相控制信号发生器・1 | 80MHz Cortex-M3, 128KB Flash, 6KB RAM, LQFP64, 5V |
We provide materials useful for designing and considering similar circuits, such as application notes for installed products. Please click on each tab to view the contents.