The ISL97686 is a PWM controlled LED driver that supports 4 channels of LED current for monitor and TV LCD backlight applications. It is capable of driving 160mA per channel from a 9V to 32V input supply, with current sources rated up to 75V absolute maximum.

Features

• 4 x 160mA, 75V rated channels with integrated channel

regulation FETs

• Channels can be ganged for high current

- 2 x 350mA

- 1 x 700mA

• 9V~32V input voltage

• Dimming modes:

- Independent channel dimming control with SPI

- PWM dimming with adjustable output frequency

- 10-bit dimming resolution

- VSYNC mode

• Two selectable current levels for 3D applications

• Current matching of ±1

• Integrated fault protection features such as string open

circuit protection, string short circuit protection, overvoltage

protection, and over-temperature protection

• 28 Ld 5x5mm TQFN and 28 Ld 300mil SOIC packages

available

Applications

• Monitor and TV LED backlighting

• General, industrial, and automotive lighting