LTC3220/-1: general purpose LED driver

LTC3220/-1: universal LED driver; 18 20mA independent configurable general current source, with 64 linear brightness control level; each current source are available two wire I2C interface ON/OFF, independent control of brightness level, flicker and gray; multi mode (1x/1.5x/2x) low noise charge pump with high efficiency up to 91%; the switch rate is limited the reduced conduction and radiation noise (EMI); the total output current up to 360mA; 2.9V to 5.5V input voltage range for lithium ion polymer application and optimization; internal current reference; a single reset pin for asynchronous shutdown and all data register reset; provide two I2C addresses (LTC3220:0011100; LTC3220-1:0011101); automatic or mandatory mode switching; internal soft start limits inrush current; short circuit / overheat protection; (0.55mm) 4mm x 4mm thin QFN-28 package. LTC3220/-1 is suitable for cellular phone display screen and other programmable lighting applications.

Source: China Power Grid