LP3923 - Cellular Phone Power Management

Product Overview

National Semiconductor

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

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

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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Other Datasheets by National Semiconductor

LP3927 - Cellular/PCS System Power Management
LP3928 - High Speed Bi-Directional Level Shifter and Ultra Low-Dropout CMOS Voltage Regulator
LP3929 - High Speed Bi-Directional Level Shifter and Ultra Low-Dropout CMOS Voltage Regulator
LP3917 - CDMA Cellular Phone Power Management
LP3919 - CDMA Power Management
LP3931 - Dual RGB LED Driver

Published: Dec 15, 2011 |