RN5T564

7-channel Power Management IC

Data Sheet
Data Sheet
Rev.1.4 (Jun.25,2009)

RN5T564 is the power management IC for Application Processors. It integrates 2 high-efficiency Step-down DCDC controllers, 5 Low dropout regulators, Power control logic, Reset Detection, I2C interface and etc.
This IC is suitable for SiRF Atlas iii, Samsung S3C24xx and S3C64xx.

  • High Efficiency Synchronous Step-down DCDC Converters
  • DC/DC1 0.9 to 1.6V by trimming @ 500mA (for Core) PWM/VFM mode
  • DC/DC2 0.9 to 3.3V by external resistor @ 500mA (for Memory)
  • * When DCDC1 is OFF, DCDC2 must not be loaded the current of 50mA or more
  • Low Drop Voltage Regulator
  • LDO1,LDO2,LDO3 1.2 to 3.3V by trimming @ 150mA
  • LDO4,LDO5 Programmable 1.2 to 3.3V @ 300mA with ECO Mode
  • Over current Protection (All Regulators)
  • I2C-Bus (Max 400kHz)
  • Address = 64h
  • ON/OFF control
  • Individual LDOs voltage value setting
  • Others
  • Soft-start circuit (DCDC1,2)
  • Short-circuit Protection and Thermal Protection
  • UVLO Function
  • Package
  • 28pin Thin QFN package (Body size: 4 x 4 x 0.8mm)
  • Process
  • CMOS process
  • ・Wireless Handset
  • ・MP3 players, PDA
  • ・Digital Still Cameras
  • ・Portable GPS
Data Sheet Package Info.
RN5T564
Rev.1.4 (Jun.25,2009)		 QFN0404-28

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