AN4304 datasheet(7/20 Pages) STMICROELECTRONICS

Part #	AN4304

Description	How to filter the input of a high-side current sensing

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AN4304

Differential mode filtering

DocID024731 Rev 1

7/20

3

Differential mode filtering

Figure 6: "Differential mode filter at 8 kHz" shows a differential mode filter with a cut-off

frequency at 8 kHz. Cut-off frequency is given by Equation 1:

Figure 6: Differential mode filter at 8 kHz

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