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STM32MP157C Datasheet(PDF) 134 Page - STMicroelectronics |
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STM32MP157C Datasheet(HTML) 134 Page - STMicroelectronics |
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134 / 258 page  Electrical characteristics STM32MP157C 134/258 DS12505 Rev 2 6.3.5 Embedded regulators characteristics The parameters given in Table 18, Table 19, Table 20 are derived from tests performed under ambient temperature and VDD supply voltage conditions summarized in Table 13: General operating conditions. REG1V1 embedded regulator (USB_PHY) REG_1V2 embedded regulator (DSI) Table 18. REG1V1 embedded regulator (USB_PHY) characteristics(1) Symbol Parameter Condition Min Typ Max Unit VDDA1V1_ REG Regulated output voltage - 1.045 1.1 1.155 V CL Load Capacitor - 1.1 2.2(2) 3.3 µF esr Equivalent Serial Resistor of Cload - 0.1 25 600 mΩ Iload Static load current(3) -0 - 30 mA tSTART Start-up time. from PWR_CR3.REG11EN = 1 to PWR_CR3.REG11RDY = 1 CL=2.2uF - 93 - µs CL=3.3uF - - 180 IINRUSH VDD Inrush Current to load external capacitor at start - - 50 60 mA IVDD Regulator Current consumption on VDD Regulator Enabled and Iload = 0 mA - 150 205 µA Regulator Enabled and Iload = 30 mA - 176 242 1. Guaranteed by design. 2. For better dynamic performances a 2.2 μF typical value external capacitor is recommended. 3. Load is for internal STM32MP157C analog blocks, no additional external load is accepted unless mentioned. Table 19. REG1V2 embedded regulator (DSI) characteristics(1) Symbol Parameter Condition Min Typ Max Unit VDD1V2_D SI_REG Regulated output voltage - 1.15 1.2 1.26 V CL Load Capacitor - 0.5 2.2(2) 3.3 µF esr Equivalent Serial Resistor of Cload - 0.1 25 600 mΩ Iload Static load current(3) - - - 50 mA tSTART Start-up time. from DSI_WRPCR.REGEN = 1 to DSI_WISR.RRS = 1 CL=2.2uF - 84 - µs CL=3.3uF - - 164 IINRUSH VDD Inrush Current to load external capacitor at start - - 45 60 mA |
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