RN5T649 Series

Data Sheet
Data Sheet
Rev. 1.2 (1.00MB)
Charge pump for White LED
RN5T649 contains a constant frequency charge pump, which is optimized for White LED application.
Output enable/disable, LEDs current and LDOs ON/OFF are individually controllable through single wire serial pulse I/F.
White LED Charge Pump
  ・Current capability: Up to 92mA
・1x/1.33x/1.5x switchable charge pump mode
・Power up four LEDs for backlight: Up to 23mA/LED
・Luminance control with 32steps from 0.25mA to 23mA
・Soft-start
Power Supply Function
  ・LDO (150mA) × 2 (ON/OFF control through single wire serial pulse I/F)
・LDO output voltage is settable in 0.05V step in range of 1.2V to 3.3V
・Over current protection (All Regulators) and thermal shutdown
Others
  ・UVLO
・Short-circuit Protection
Package
  ・20pin QFN package (Body size: 3.0 x 3.0 x 0.75mm, Pin pitch 0.4mm)
Process
  ・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
(PDF) 		Package Info.
(PDF)
RN5T649 Series
Rev. 1.2 (1.00MB) 		QFN28

All PDF files are less than 1MB unless otherwise stated.

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