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SC905A - CDMA Cellular Phone Power Management IC

General Description

The SC905A is a power management integrated circuit (PMIC) designed for the latest CDMA chip sets.

The device provides four general purpose low dropout regulators (LDOs), and five low noise LDOs designed for analog circuits.

Key Features

  • 9 LDO Linear Regulators CORE: 1.35V - 2.90V @ 300mA ANA: 2.55V - 2.90V @ 200mA PAD: 1.75V - 3.30V @ 300mA RX: 2.75V - 3.10V @ 150mA TX: 2.75V - 3.10V @ 150mA TCXO: 2.75V - 3.10V @ 80mA PLL: 2.75V - 3.10V @ 80mA Camera: 1.75V - 3.30V @ 100mA Motor Drive: 1.75V - 3.30V @ 150mA I2C Interface for Microprocessor Control Less than 1μA Quiescent Current in Shutdown 65dB PSRR for Analog LDOs Over-Temperature Protection Power-On Control Small 5mm x 5mm 32-Pin MLPQ Package.

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Datasheet Details

Part number SC905A
Manufacturer SEMTECH
File Size 649.02 KB
Description CDMA Cellular Phone Power Management IC
Datasheet download datasheet SC905A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CDMA Cellular Phone www.DataSheet4U.com IC Power Management POWER MANAGEMENT Description The SC905A is a power management integrated circuit (PMIC) designed for the latest CDMA chip sets. The device provides four general purpose low dropout regulators (LDOs), and five low noise LDOs designed for analog circuits. The VMOT LDO can be used as a general purpose regulator or as an adjustable motor drive output that can supply up to 150mA to drive a vibrator motor. Each LDO’s enable and output voltage are controlled via the I2C bus. The VTCXO output has an external enable pin that can be used instead of the register bit when timing is critical for minimizing sleep current. The VMOT also has an external enable pin for additional flexibility.