| 一种新型高压输入开关电源的设计 |
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| 引用本文： | 李江达,韩留军,曾正.一种新型高压输入开关电源的设计[J].电子与封装,2012(5):18-21. |
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| 作者姓名： | 李江达 韩留军 曾正 |
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| 作者单位： | 1. 无锡中微爱芯电子有限公司,江苏无锡214035
2. 中国电子科技集团公司第58研究所,江苏无锡214035 |
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| 摘 要： | 大规模集成电路的出现,促进了电子设备的高功率密度化。这要求为之供电的直直变换器也随之高功率密度化。高频、高效开关变换是直直变换器实现高功率密度的基础。文章阐述了一种采用UC3844集成芯片实现的新型高压输入DC/DC反激开关电源,并给出了详细的电路参数及高频变压器的设计方法,该开关稳压电源采用双闭环电流控制模式,其输入、输出电路采用光耦隔离。
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| 关 键 词： | 双管反激 变换器 光耦隔离 开关电源 |
A New Design of High Voltage Input Flyback Switch-mode Power Supply |
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| LI Jiang-da,HAN Liu-jun,ZENG Zheng.A New Design of High Voltage Input Flyback Switch-mode Power Supply[J].Electronics & Packaging,2012(5):18-21. |
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| Authors: | LI Jiang-da HAN Liu-jun ZENG Zheng |
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| Affiliation: | 2 Wuxi I-CORE Electronics Co., Ltd, Wuxi 214035, China; 2. China Electronics Technology Group Corporation No.58 Research Institute, Wuxi 214035, China) |
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| Abstract: | The advent of large-scale integrated circuit has prompted the high power density of electronic equipments, which calls for the high power density of DC/DC convener. Nowadays, DC/DC convener with high power density continuously pays more and more attention on high frequency and high efficiency. Here, in this paper, a new high voltage input flyback switch-mode power supply applied UC3844 intergrated chips is illustrated,and the detailed circuit parameters and the design method of high-frequency transformer is given as well.this switch-mode power supply uses double-loop current control mode,and the input and output circuits applies photocoupler isolation. |
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| Keywords: | double switch flyback convener supply photocoupler isolation switch-mode power |
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