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STLED25JR датащи(PDF) 21 Page - STMicroelectronics |
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STLED25JR датащи(HTML) 21 Page - STMicroelectronics |
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21 / 30 page ![]() STLED25 Application information Doc ID 022323 Rev 3 21/30 7.2 Recommended PCB layout The STLED25 is a high-frequency power switching device, so it requires a proper PCB layout in order to obtain the necessary stability and optimize line/load regulation and output voltage ripple. Input and output capacitors must be as close as possible to their relative pins. Figure 20. Top layer Table 8. Input and output capacitor Manufacturer Part number Nominal capacitance [µF] Rated voltage [V] TCC Size [mm] CIN Murata GRM155R60J155M 1.5 6.3 0402 Samsung CL05A225MQ5NSKC 2.2 6.3 0402 COUT Murata GRM219R61A106ME47 10 10 0805 |
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