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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8321 датащи(PDF) 247 Page - Wolfson Microelectronics plc |
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WM8321 датащи(HTML) 247 Page - Wolfson Microelectronics plc |
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247 / 253 page  Production Data WM8321 w PD, February 2012, Rev 4.0 247 Wolfson recommends the following external components for use with DC-DC Converters 3 and 4. Note that the switching frequency of DC-DC3 and DC-DC4 is fixed at 2MHz and the output inductor must be 2.2 H in all cases. The output capacitor must be consistent with the DCm_CAP register setting. For best performance, the 47 F component is recommended. For typical applications, the 22F is suitable. The alternative values may be used for size or cost reasons if preferred. COMPONENT VALUE PART NUMBER SIZE L 2.2 H Coilcraft LPS3015-222ML_ 3 x 3 x 1.5mm COUT 47 F MuRata GRM21BR60G476MEA1 0805 22 F MuRata GRM21BR60J226ME39 0805 10 F MuRata GRM188R60J106ME84 0603 CIN 4.7 F MuRata GRM188R60J475ME84 0603 Table 86 Recommended External Components - DC-DC3, DC-DC4 |
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