AN ON-BOARD POWER-SUPPLY MODULE FOR TELECOMMUNICATIONS SYSTEMS

被引：0

作者：

MURAKAMI, N

ASOH, J

SAKAKIBARA, K

YACHI, T

机构：

来源：

NTT REVIEW | 1992年 / 4卷 / 03期

关键词：

D O I：

暂无

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：

A high-efficiency low-profile 30-W power supply module suitable for telecommunications systems, such as ISDN, has been developed. A simple MOSFET synchronous rectifier reduces loss by 18% and raises the efficiency by 2% compared to a Schottky diode rectifier. The result is an overall efficiency of 90% at 5 V and 6 A rated output. A low-profile E core and planar windings achieve a flat transformer with a height of 5.5 mm. This results in a module with a height of 7.2 mm and volume of 37 cm3, which is haff the size of a conventional module using natural convection cooling.

引用

页码：51 / 55

页数：5