2024年3月10日发(作者：)

中英文对照外文翻译

(文档含英文原文和中文翻译)

英文

：

Intelligent switch power supply

With the rapid development of electronic technology, application field of

electronic system is more and more extensive, electronic equipment, there are more

and more people work with electronic equipment, life is increasingly close

relationship. Any electronic equipment are inseparable from reliable power supply for

power requirements, they more and more is also high. Electronic equipment

miniaturized and low cost in the power of light and thin, small and efficient for

development direction. The traditional transistors series adjustment manostat is

continuous control linear manostat. This traditional manostat technology more mature,

and there has been a large number of integrated linear manostat module, has the stable

performance is good, output ripple voltage small, reliable operation, etc. But usually

need are bulky and heavy industrial frequency transformer and bulk and weight are

big filter.

In the 1950s, NASA to miniaturization, light weight as the goal, for a rocket

carrying the switch power development. In almost half a century of development

process, switch power because of its small volume, light weight, high efficiency, wide

range, voltage advantages in electric, control, computer, and many other areas of

electronic equipment has been widely used. In the 1980s, a computer is made up of all

of switch power supply, the first complete computer power generation. Throughout

the 1990s, switching power supply in electronics, electrical equipment, home

appliances areas to be widely, switch power technology into the rapid development. In

addition, large scale integrated circuit technology, and the rapid development of

switch power supply with a qualitative leap, raised high frequency power products of,

miniaturization, modular tide.

Power switch tube, PWM controller and high-frequency transformer is an

indispensable part of the switch power supply. The traditional switch power supply is

normally made by using high frequency power switch tube division and the pins, such

as using PWM integrated controller UC3842 + MOSFET is domestic small power

switch power supply, the design method of a more popularity.

Since the 1970s, emerged in many function complete integrated control circuit,

switch power supply circuit increasingly simplified, working frequency enhances

unceasingly, improving efficiency, and for power miniaturization provides the broad

prospect. Three end off-line pulse width modulation monolithic integrated circuit TOP

(Three switch Line) will Terminal Off with power switch MOSFET PWM controller

one package together, has become the mainstream of switch power IC development.

Adopt TOP switch IC design switch power, can make the circuit simplified, volume

further narrowing, cost also is decreased obviously

Monolithic switching power supply has the monolithic integrated, the minimalist

peripheral circuit, best performance index, no work frequency transformer can

constitute a significant advantage switching power supply, etc. American PI (with)

company in Power in the mid 1990s first launched the new high frequency switching

Power supply chip, known as the "top switch Power", with low cost, simple circuit,

higher efficiency. The first generation of products launched in 1994 represented

TOP100/200 series, the second generation product is the TOP Switch - debuted in