DESCRIPTION

· The SP7121 LED driver offers a straightforward solution for matched current sources in common cathode LEDs of any color.

· It features a common cathode connection that enhances LED power dissipation by linking cathodes to the circuit board's ground plane.

· Output current is adjustable via an external resistor.

· In shutdown mode (EN pin LOW), the supply current is typically reduced to 0.04 μA.

· Available in a compact, RoHS compliant, lead-free, and halogen-free 6-pin SOT23 package.

FEATURES

· Drives common cathode parallel connected LEDs with an ultra-low dropout voltage of 300mV at 25mA.

· Operates without EMI or switching noise.

· Includes integrated current matching and PWM brightness control.

· Features enable/shutdown control with a shutdown current of less than 1 μA.

· Adjustable output current up to 30mA per channel.

· Comes in RoHS compliant, lead-free, and halogen-free SOT23-6 packages.

APPLICATIONS

· Mobile phones.

· PDAs, DSCs, MP3 players.

· Handheld computers.

· Keypads and display backlights.