LP3923 Datasheet - National Semiconductor

LP3923 Cellular Phone Power Management

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 s.

LP3923 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 inducta

LP3923 Datasheet (1.57 MB)

LP3923 Datasheet Preview — Preview of LP3923 PDF

Datasheet Details

Part number:

LP3923

Manufacturer:

National Semiconductor

File Size:

1.57 MB

Description:

Cellular phone power management.

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LP3923 Cellular Phone Power Management National Semiconductor

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