SC905A: CDMA Cellular Phone Power Management IC

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.


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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

Diagrams

Typical Application Circuit

SC905A - Typical Application Circuit

Click diagram to enlarge

Applications

  • CDMA Cellular Handsets
  • PDAs/Smartphones
  • Wireless VOIP Handsets

Packaging

MLPQ-32 (5X5 mm)

Order Codes
  • SC905AMLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
Order Sample Button
Pb-Free/RoHS/WEEE Status

Related Documents

Datasheets