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LP3923 - Cellular Phone Power Management

Datasheet Summary

Description

The LP3923 is a fully Integrated Power Management Unit (PMU) designed for CDMA cellular phones.

Features

  • Integrated Li-Ion battery charger with power FET, thermal.
  • regulation and 28V OVP Six Low-Noise LDOs, two LILO LDOs 3 x 300 mA 4 x 150 mA 1 x 80 mA One high efficiency Synchronous Magnetic Buck Regulators, IOUT 700 mA High efficiency PFM mode @low IOUT Auto Mode PFM/PWM switch Low inductance 2.2 µH @ 2 MHz clock I2C-compatible interface for controlling LDO outputs and charger operation Thermal Shutdown with Early Warning Alarm Under-Voltage Lockout 30-bump 3.0 x 2.5 mm micro SMD packa.

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Datasheet preview – LP3923

Datasheet Details

Part number LP3923
Manufacturer National Semiconductor
File Size 1.57 MB
Description Cellular Phone Power Management
Datasheet download datasheet LP3923 Datasheet
Additional preview pages of the LP3923 datasheet.

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Full PDF Text Transcription

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www.DataSheet.co.kr LP3923 LP3923 Cellular Phone Power Management Unit Literature Number: SNVS567A Datasheet pdf - http://www.DataSheet4U.net/ www.DataSheet.co.kr 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 status information of the PMU.
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