Intersil Introduces Highly Integrated Backlight LED Driver

[ High-tech LED ] On June 28, Intersil Corporation (Nasdaq Global Transaction Code: ISIL), a global leader in high-performance analog mixed-signal semiconductor design and manufacturing, announced the release of its latest backlight LED driver - ISL97682, ISL97683 And ISL97684.

These devices feature the industry's best performance in current regulation and channel matching for multi-channel LED backlighting in small form factor LCD screens for portable electronics such as smartphones, tablets and netbooks.

The ISL97682, ISL97683, and ISL97684 are compact 2, 3, and 4 LED drivers with an input voltage range of 4V to 26.5V and an output voltage of up to 45V. In bootstrap mode, the driver can also operate at a low voltage of 3V and output up to 26.5V, which can support direct power supply from a single lithium battery.

The device automatically switches between PWM and PFM modes, ensuring an input voltage and output load range of up to 90% for optimum efficiency. All devices feature a current accuracy of 1.5% and a channel-to-channel current match of 0.7%, ensuring uniform backlight brightness for backlighting solutions from 6" to 15" TFT LCDs. Its high performance and versatility make these products suitable for display devices in industrial and automotive applications.

It is understood that the current ISL97682/3/4 is available in a 3mm x 3mm 16-pin TQFN package and is priced at $1.35 in 1,000-piece quantities.

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