Intersil Launches A New Family of Innovative Multi-channel LED Drivers

Intersil Corporation has developed a new family of innovative multi-channel LED drivers, which provide an ultra-low dimming capability that can significantly extend battery life in notebook, netbook and tablet computers.

The new, highly integrated ISL97671/2/3/4 series reduces undesirable backlight-induced visual artifacts such as flickering, shimmering and banding that are observed when using conventional LED drivers.

The devices minimize power loss by using a proprietary dynamic headroom control circuit to detect the highest voltage LED string, and then regulate the boost output to the minimum required voltage.

The devices drive up to six 40mA strings of LEDs from a 4.5V to 26V input. A highly accurate LED current matching circuit achieves an industry-best +/-0.7% current matching between LED strings.
The ISL97671/2/3/4 series also includes an integrated boost converter to step-up the input voltage to support LED stack voltages up to 45V.

About Intersil Intersil Corporation
Intersil Intersil Corporation is a leader in the design and manufacture of high-performance analog, mixed signal and power management semiconductors. The Company's products address some of the fastest growing markets within the communications, computing, consumer and industrial industries.

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