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3.2 Power Management
A mobile platform requires power supplies for different functions. These power supplies are generated in the integrated
power management Unit (PMU). The PMU is designed to deliver the power for a typical standard phone.
* DC/DC Step Down Converter with LDO Mode for 1.2V (VCORE)
The DC/DC converter generates a 1. V supply rail. This voltage rail is used to supply main parts of the system. Among
buck converters, VCORE also provide LDO mode for lower cost requirement.
Buck Mode
VBAT_VCORE
LGE Internal Use Only
Figure. 3.2.1 Block Figure of the PMU Modules MT6251
VCORE
LDO
VCORE
VCORE
Buck
Controller
VCORE_FB
LDO Mode
VCORE
VBAT_VCORE
VCORE
Buck
Controller
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3. TECHNICAL BRIEF
LDO
VCORE
VCORE_FB
Only for training and service purposes
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