LP3923 - Cellular Phone Power Management

National Semiconductor

Datasheet Details

Part number	LP3923
Manufacturer	National Semiconductor
File Size	1.57 MB
Description	Cellular Phone Power Management
Datasheet	LP3923_NationalSemiconductor.pdf

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.

📁 LP3923 Similar Datasheet

LP3921 - Battery Charger Management/Regulator (Texas Instruments)
LP3905 - Power Management (Texas Instruments)
LP3906 - Dual High-Current Step-Down DC/DC and Dual Linear Regulator (Texas Instruments)
LP3907 - Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDO (Texas Instruments)
LP3907-Q1 - Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDO (Texas Instruments)
LP3910 - Power Management (Texas Instruments)
LP3913 - Power Management (Texas Instruments)
LP3918 - Battery Charge Management/Regulator (Texas Instruments)

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 |