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SPC58ECX 数据表(PDF) 63 Page - STMicroelectronics |
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SPC58ECX 数据表(HTML) 63 Page - STMicroelectronics |
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63 / 153 page  DS11620 Rev 8 63/153 SPC584Cx, SPC58ECx Electrical characteristics 72 4.15 Power management The power management module monitors the different power supplies as well as it generates the required internal supplies. The device can operate in the following configurations: 4.15.1 Power management integration Use the integration schemes provided below to ensure the proper device function, according to the selected regulator configuration. The internal regulators are supplied by VDD_HV_IO_MAIN supply and are used to generate VDD_LV supply. Place capacitances on the board as near as possible to the associated pins and limit the serial inductance of the board to less than 5 nH. It is recommended to use the internal regulators only to supply the device itself. Table 33. Power management regulators Device External regulator Internal SMPS regulator Internal linear regulator external ballast Internal linear regulator internal ballast Auxiliary regulator Clamp regulator Internal standby regulator(1) SPC584Cx SPC58ECx —— X X(2) XX X 1. Standby regulator is automatically activated when the device enters standby mode. 2. The operability of the device with internal ballast can be limited by the maximum thermal dissipation of the device in the application. The internal ballast option is available only on specific devices, contact the local sales. |
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