Datasheet Linear Technology LT3498EDDB#PBF

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  White LED Driver and OLED Driver with Integrated Schottkys and Output Disconnect in 3mm x 2mm DFN &mdash LT Journal
  PDF, 382 Kb, File published: Oct 16, 2007
  Extract from the document

  DESIGN FEATURES L White LED Driver and OLED Driver
  with Integrated Schottkys and Output
  Disconnect in 3mm Г— 2mm DFN
  by Alan Wei Introduction Linear Technology Magazine October 2007 VIN
  3V TO 5V 4.7ВµF 15ВµH 0.47ВµF 15ВµH 16V
  24mA 1ВµF
  CAP1 SW1 10Ω VIN SW2 CAP2 VOUT2 10µF LT3498
  LED1
  20mA CTRL1 GND1 GND2 OFF ON
  SHUTDOWN
  AND
  DIMMING
  CONTROL CTRL2 FB2 2.21MΩ OFF ON
  SHUTDOWN
  AND
  CONTROL Figure 1. Li-Ion to six white LEDs and an OLED display ing battery life in application modes
  where the LED driver is temporarily
  disabled.
  FigureВ 1 shows a typical application
  driving 6 LEDs and an OLED. Figures
  2 and 3 show the efficiency of the LED
  driver and OLED driver respectively. Features
  LED Driver High Side Sense …

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Manufacturer's Classification

• Power Management > Switching Regulator > LCD/CCD/OLED Bias
• Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost | Multiple Output Boost
• Power Management > LED Driver ICs > Step-Up (Boost) LED Drivers

Other Names:

LT3498EDDBPBF, LT3498EDDB PBF