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The early power supply capacity of the high-voltage module power supply is usually the DC module power supply container, but now it has changed from DC power supply to communication power supply, from low temperature power supply to high temperature power supply, power supply from general power supply, from common structure to chip, from tablet to book, etc. development of. The upper limit capacity has been expanded to about 4f, the application frequency has reached 30khz, the operating temperature level has reached -55℃-125℃, and some are even as high as 150℃. The additional module power supply voltage has reached 700V. Of course, the more products you choose, the more choices you have. How to choose a high-voltage module power supply to solve the problem of module power supply capacity.

How to choose the power supply capacity of high voltage module

1. To solve the problem of power supply capacity as much as possible, the original high-voltage module power supply must be selected.

2. Generally, there is a large error in the power supply capacity of the high-voltage module power supply solution module, which will not affect the normal operation of the module power supply circuit, so the module power supply container with a slightly larger or smaller module power supply capacity can be replaced. However, in the frequency division module power supply circuit, proofreading module power supply circuit, vibration circuit and loop, the power supply capacity of the module should meet the accounting requirements as much as possible. In some filter networks, requirements are also set for the power capacity of the power release module of the Black King Kong module and the power capacity of the module power solution module, and the error should be less than ±0.3-0.5.

3. The pressure requirement must be barehanded, and the selected pressure value should be equal to or greater than the original value.

4. Normally, the power supply capacity of the non-polar module is replaced by the power supply capacity of the non-polar module. If there is no alternative, it can be replaced by the reverse series of two polar modules with twice the capacity. The method is to connect the positive poles of the power capacity of the two polarity modules (or connect their two negative poles).

5. When selecting the power supply capacity of the high-voltage module, select the high-voltage module power supply capacity of the high-temperature resistant module for Chengdu personnel assessment. The high operating temperature of the power supply capability of the high temperature resistant module is 105°C. When the power supply capacity of the high-temperature module runs at a higher working temperature, it can ensure that the normal working time is about 2000 hours. When the power supply capacity of the module is 80°C, the life span can reach 22000 hours at 50°C. If the high temperature and high voltage module is used for power supply at this time, the life of the module's power supply capacity can reach 90,000 hours.