General Description
The AP3029 is an inductor-based DC/DC converter designed to drive up to six white LEDs in series or 2 rows of LEDs with 5 for each in parallel for backlight. Only one feedback resistor is needed to control the LED current and obtain required brightness.
   
Features
• Inherently Uniform LED Current
• High Efficiency up to 83.5%
• No Need for External Schottky Diode
• Over Output Voltage Protection
• Drives 2 to 6 LEDs in Series or 2 Rows of LEDs
    with 5 for Each in Parallel
• Fast 1.2MHz Switching Frequency
• Uses Tiny 1mm Tall Inductor
• Requires Only 0.22µF Output Capacitor
   
Applications
• Cellular Phones
• Digital Cameras
• LCD modules
• GPS Receivers
• PDAs, Handheld Computers