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PCA9450 데이터시트(PDF) 11 Page - NXP Semiconductors |
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PCA9450 데이터시트(HTML) 11 Page - NXP Semiconductors |
11 / 96 page NXP Semiconductors PCA9450 Power management IC for i.MX 8M application processor family PCA9450 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2019. All rights reserved. Product data sheet Rev. 1.0 — 19 November 2019 11 / 96 aaa-035706 VDD_DRAM VDD_G/VPU BUCK3 PHY_0P9 LDO4 VDD_SOC VDDA_1P8 VDDA_DRAM NVCC_1V8 NVCC_3V3 NVCC_DRAM POR_B BUCK1 LDO3 BUCK5 BUCK4 BUCK6 PMIC_STBY_REQ PMIC_ON_REQ VDD_ARM BUCK2 NVCC_SD2 LDO5 tOFF_DEB tPOR_B tOFF_Step tOFF_Step tOFF_Step SNVS RUN SNVS Mode Masked PWRDN tstep tstep POK POK POK POK POK POK POK POK POK Masked PWRUP tON_DEB tOFF_Step tOFF_Step tstep tstep tstep tstep tstep tstep tOFF_Step tOFF_Step tOFF_Step tOFF_Step LDO4/BUCK3 is MTP programmable to be selected in power up/down sequence. Figure 6. PCA9450A power ON/OFF sequence BUCK3 and LDO4 are OFF by default in PCA9450B and PCA9450C. Those regulators are removed in the power up sequence, shown in Figure 7. |
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