The SY7760A is a high efficiency driver for white LEDs. It adopted boost controller to cover the voltage range of LED string and support 6-channel LED string with constant current which can be controlled by PWM input.
The SY7760A supports an input voltage range of 3.3V to 24V and output voltages up to 40V. It supports maximum current matching within 2% for excellent brightness uniformity in each string of LEDs. The SY7760A has a high efficiency with the internal 165mohm, 40V power switch and small headroom voltage.
The SY7760A contains I2C interface for controlling the dimming mode, LED maximum current, switching frequency, and internal loop parameters. SY7760A integrates a Multiple Time Programmable Memory block (MTP) which enables storing the register data without the need to reconfigure the device after every power up sequence.
The SY7760A contains four dimming modes to choose from, which are PWM mode, DC mode, MIX mode, Mix-26k mode for different applications. PFM mode can be selected in register for higher efficiency in light-load application.
The SY7760A is packaged in a compact, space-saving 24-pin thin QFN3 x 3 - 24 package making it perfectly suitable for integration into ultra-slim LCD panel designs.