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PCA9450 데이터시트(PDF) 11 Page - NXP Semiconductors

부품명 PCA9450
상세설명  Power management IC for i.MX 8M application processor family
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
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PCA9450 데이터시트(HTML) 11 Page - NXP Semiconductors

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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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