A Study of Novel Flyback Converter with Very Low Power Consumption At the Standby Operating Mode

被引：6

作者：

Kim, Eun-Soo ^{[1
]}

Chung, Bong-Gun ^{[1
]}

Jang, Sang-Ho ^{[1
]}

Choi, Mun-Gi ^{[2
]}

Kye, Moon-Ho ^{[3
]}

机构：

[1] Jeonju Univ, 1200 Hyoja Dong, Jeonju 560759, Jeonbuk, South Korea

[2] LG innotek 379, SMPS gr, Osan 447705, South Korea

[3] Powerplaza USA, Santa Ana, CA 92705 USA

来源：

2010 TWENTY-FIFTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2010年

关键词：

D O I：

10.1109/APEC.2010.5433482

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Recently, although the power consumption of green mode flyback converters at the light load and standby operating mode was minimized by the burst mode operation of PWM IC, the flyback converter has still about 0.3W similar to 0.5W power consumption caused by the high magnetizing current flowing through magnetizing inductance of high frequency transformer in the primary side. PDP TV is required to reduce the standby power consumption by 0.2W. This paper proposes a novel topology of green mode flyback converter to decrease the standby power consumption by reducing the magnetizing current at the standby mode operation. A 70W prototype flyback converter for an auxiliary power module installed in 50 '' PDP TV is built, tested and verified. Its experimental results are described.

引用

页码：1833 / 1837

页数：5

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