The boost inductor value is determined by the outputpower and the mini translation - The boost inductor value is determined by the outputpower and the mini Chinese Traditional how to say

The boost inductor value is determi

The boost inductor value is determined by the output
power and the minimum switching frequency. The
minimum switching frequency must be higher than the
maximum audible frequency band of 20kHz. Minimum
frequency near 20kHz can decrease switching loss with
the cost of increased inductor size and line filter size. Toohigh
minimum frequency may increase the switching loss
and make the system respond to noise. Selecting in the
range of about 30~60kHz is a common choice; 40~50kHz
is recommended with FAN7930.
The minimum switching frequency may appear at
minimum input voltage or maximum input voltage,
depending on the output voltage level. When PFC output
voltage is less than 405V, minimum switching appears at
the maximum input voltage, according to Fairchild
application note AN-6086. The inductance is obtained
using the minimum switching frequency:
0/5000
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升壓電感值確定由輸出電源和開關頻率最小值。的開關頻率的最小值必須高於最大可聽見的頻率 20 千赫的樂隊。最低近 20 千赫頻率可以減小開關損耗與成本增加的電感大小和行篩選器。設得過高最小頻率可能會增加開關損耗使系統回應雜訊。在中選擇範圍的約 30 ~ 60 千赫是一種常見的選擇;40 ~ 50 千赫我們建議對 FAN7930。開關頻率的最小可能會出現在最低輸入的電壓或最大輸入的電壓,取決於輸出電壓電平。當 PFC 輸出電壓小於 405V,最小開關出現在最大輸入的電壓,根據飛兆半導體應用筆記 6086。電感被獲得使用最小開關頻率︰
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升壓電感值由輸出來確定
功率和最小開關頻率。的
最小開關頻率必須大於高
為20kHz的最大可聽頻帶。最小
20kHz的鄰近頻率可以降低與開關損耗
增加電感器的尺寸和線路濾波器尺寸的成本。Toohigh
最小頻率可能增加開關損耗
,使系統對噪聲響應。在選擇
30〜60kHz的範圍是一種常見的選擇; 40〜50kHz的
建議與FAN7930。
的最小開關頻率可能會出現在
最小輸入電壓或最大輸入電壓,
根據輸出電壓電平。當PFC輸出
電壓低於405V,最小開關出現在
最大輸入電壓,根據飛兆半導體
應用筆記AN-6086。得到的電感
使用最小開關頻率:
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升壓電感值由輸出確定功率和最小開關頻率。這個最小開關頻率必須高於20kHz最大可聽頻帶。最小頻率20kHz可以降低開關損耗近電感器的尺寸和線路濾波器尺寸新增的成本。過高最小頻率可能會新增開關損耗並使系統對雜訊的響應。選擇在約30 ~ 60kHz的範圍,是一種常見的選擇;40 ~ 50kHz建議fan7930。最小開關頻率可能會出現在最小輸入電壓或最大輸入電壓,根據輸出電壓水准。當PFC輸出電壓小於405v,最小開關出現在最大輸入電壓,根據Fairchild應用筆記an-6086。電感得到使用最小開關頻率:
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