參數(shù)資料
型號(hào): ALT01C48-N8
元件分類: 電源模塊
英文描述: 1-OUTPUT 25.05 W DC-DC REG PWR SUPPLY MODULE
文件頁數(shù): 15/28頁
文件大?。?/td> 338K
代理商: ALT01C48-N8
ALT Series Technical Reference Note
DATE: Feb. 18, 2003
MODEL : ALT
Series
S 22 / 28
Ripple Rejection Input Filter
For conditions where EMI is a concern, a different input filter can be used. Figure ‘EMI
Reduction Input Filter‘ shows an input filter designed to reduce EMI effects. L1 is a 8mH
common mode inductor, C1 is a 47
F/100V electrolytic capacitor, and C2 is a 0.47F/100V
metal film or ceramic high frequency capacitor, and Cy1 and Cy2 are each 4700pF high
frequency ceramic capacitors.
EMI Reduction Input Filter
When a filter inductor is connected in series with the power converter input, an input
capacitor C1 should be added. An input capacitor C1 should also be used when the input
wiring is long, since the wiring can act as an inductor. Failure to use an input capacitor under
these conditions can produce large input voltage spikes and an unstable output.
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