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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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A6985F 数据表(PDF) 25 Page - STMicroelectronics |
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A6985F 数据表(HTML) 25 Page - STMicroelectronics |
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25 / 77 page  DocID027738 Rev 2 25/77 A6985F Functional description 77 5.5 Light-load operation The MLF pinstrapping during the power-up phase determines the light-load operation (refer to Table 7 on page 11, Table 8 and Table 9 on page 12). 5.5.1 Low noise mode (LNM) The low noise mode implements a forced PWM operation over the different loading conditions. The LNM features a constant switching frequency to minimize the noise in the final application and a constant voltage ripple at fixed VIN. The regulator in steady loading condition never skip pulses and it operates in continuous conduction mode (CCM) over the different loading conditions. Figure 13. Low noise mode operation Typical applications for the LNM operation are car audio, sensors. |
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