WHITE LED STEP-UP CONVERTER
DESCRIPTION
The UTC L5109 is an inductor-based DC/DC converter
designed to drive up to six white LEDs in series or 2 rows or
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
* OVP
* 1.2MHz Switching Frequency |