通信电源架构-广电电器网（Communication power supply structure - Radio and television network）.docVIP

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通信电源架构-广电电器网（Communication power supply structure - Radio and television network）.doc

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通信电源架构-广电电器网（Communication power supply structure - Radio and television network） The application of SP766X in distributed power architecture Sipex FAE Lin Junming Abstract: the introduction of the design process of Sipex company launched PowerBlox chip POL as the power supply in the power structure of the distributed. Keywords the iterative calculation of compensation structure of PowerBlox distributed power output capacitors and inductors The intermediate bus architecture Intermediate Bus Architecture rate (IBA) and distributed power architecture Distributed exergy rate Power Architecture (DPA) are the two main power supply structure of exergy in communication power supply system for power supply voltage but with more and more low in Higher requirements in distributed power architecture is more and more high efficiency and low cost more and more because of the above conditions are satisfied, and become the mainstream. from Figure2 can be seen in non isolated power supply module in the DPA architecture as a function of POL in the system to important respectively. Partial power supply. With the development of semiconductor integrated power switch in IC can already assume non isolated power supply module The function will require only a few external components can be designed with comparable non isolated power module circuit in this paper is This paper introduces how to apply the PowerBlox series power chip introduced by Sipex company to design the POL of DPA power supply system Power Supply。 48V 3.3V 2.5V 1.8VIsolate Brick Power module Isolate Brick Power module Isolate Brick Power module 48V 3.3V 2.5V 1.8VNon-Isolate Power module Non-Isolate Power module Non-Isolate Power module Isolate Brick Bus Converter12V Figure1:IBA Figure2:DPA 48V3.3V2.5V1.8VPowerblox IC Isolate Brick Bus Converter12VPowerblox IC Powerblox IC Figure3: (Powerblox, replace, Non-Isolate, power, module.) Launched by Sipex PowerBlox contains SP765X and SP766X two series in which SP765X need to pro