SC658 - Semtech

SC658 Backlight Driver

The SC658 is a high efficiency charge pump LED driv.

Features

 Input supply voltage range — 2.9V to 5.5V
 Very high efficiency charge pump driver system with three modes — 1x, 1.5x and 2x
 Four programmable current sinks — 0mA to 25mA
 Up to three LED grouping options
 Fade-in/fade-out feature for main LED bank
 Charge pump frequency — 250kHz
 SemPulse single wire interface
 Backlight current accuracy — ±1.5% typical
 Backlight current matching — ±0.5% typical
 LED float detection
 Automatic sleep mode (LEDs off ) — IQ = 60µA (typ.)
 Shutdown current — 0.1µA (typical)
 Ultra-thin package — 2 x 2 x 0.6 (mm)
 Fully WEEE and RoHS compliant App.