White LED Step-Up Regulator

The EL7513 is a constant current boost regulator specially designed for driving white LEDs. It can drive 4 LEDs in series or up to 12 LEDs in parallel/series configuration and achieves efficiency up to 91.

Features

• 2.6V to 13.2V input voltage

• 18V maximum output voltage

• Drives up to 12 LEDs

• 1MHz switching frequency

• Up to 91 efficiency

• 1µA maximum shut-down current

• Dimming control

• 8 Ld TSOT and 8 Ld MSOP packages

• Pb-free plus anneal available (RoHS compliant)

Applications

• PDAs

• Cellular phones

• Digital cameras

• White LED backlighting