STLA02

STLA02 White LED driver for display backlight Features ■ Boost DC-DC converter ■ Drives up to 6 LEDs with a total current up to 20 mA ■ Output power capability up to 500 mW ■ Input voltage range 2.5 V to 18 V ■ Output current control ■ 2.3 MHz switching frequency ■ PWM input for the output current dimming with 300:1 dimming range ■ 350 mA integrated switch ■ Overvoltage protection ■ Chip overtemperature detection and protection ■ Soft-start implemented ■ Package DFN6 2 x 2 mm DFN6 (2 x 2 mm) on/off by the logic signal connected to the EN pin and this pin is also dedicated for the PWM dimming of the output current. Current mode control of the regulation allows a fast response to a change of the enable pin voltage level. Applications ■ PDA and handheld devices ■ Cellular phones ■ MP3 players Description STLA02 is a boost converter that operates from 2.5 V to 18 V and can provide an output voltage as high as 27 V and can drive up to 6 white LEDs connecte...