4-Channel LED Driver with Phase Shift Control and 10-Bit Dimming Resolution

The ISL97687 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
• 4x160mA, 75V Rated Channels with Integrated Channel Regulation FETs
• Channels can be Ganged for High Current
    - 2x350mA
    - 1x700mA
• 9V~32V Input Voltage
• Dimming Modes:
    - Direct PWM Dimming from 100Hz~30kHz
    - PWM Dimming with Adjustable Output Frequency
    - 10-bit Dimming Resolution
    - VSYNC Function to Synchronize PWM Signal to Frame Rate
    - Phase Shift
    - Analog to PWM Dimming with 8-bit Resolution
• 2 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/TV LED Backlighting
• General/Industrial/Automotive Lighting