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LP3923
LP3923 Cellular Phone Power Management Unit
Literature Number: SNVS567A
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LP3923 Cellular Phone Power Management Unit
October 4, 2011
LP3923 Cellular Phone Power Management Unit
General Description
The LP3923 is a fully Integrated Power Management Unit (PMU) designed for CDMA cellular phones.
The LP3923 PMU contains a fully integrated Li-Ion battery charger with power FET and over-voltage-protection (OVP), one Buck
regulator, 8 low-noise low-dropout (LDO) voltage
regulators, and a high-speed serial interface to program on/ off conditions and output voltages of individual
regulators, and to read s...