RN5T653 Series

Charge pump for White LED

Data Sheet
Data Sheet
Rev. 1.8 (1.26MB)

RN5T653 contains a constant frequency charge pump, which is optimized for White LED application. Output enable/disable, LEDs current and LDOs output voltage are individually controllable through single wire serial pulse I/F.

  • White LED Charge Pump
  • Current capability: Up to 80mA
  • 1x/1.5x switchable charge pump mode
  • Power up four LEDs for backlight: Up to 20mA/LED
  • Luminance control through 16-logarithmic scale
  • Soft-start
  • Power Supply Function
  • LDO (150mA) x 2 (ON/OFF through single wire serial pulse I/F)
  • Over current protection (All Regulators) and thermal shut-down
  • Others
  • UVLO
  • Short-circuit Protection
  • Package
  • 20pin QFN package (Body size: 3.0 x 3.0mm, Pin pitch 0.4mm)
  • Process
  • CMOS process
  • ・Wireless Handset
  • ・MP3 players, PDA
  • ・Digital Still Cameras
  • ・Portable GPS
Data Sheet Package Info.
RN5T653 Series
Rev. 1.8 (1.26MB)		 QFN20

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