New from Supertex is the HV9985, a three-channel LED driver IC designed to provide high LED current accuracy through closed loop control of the output current, making it suitable for driving multiple strings of backlight or edgelight LEDs. The IC contains three peak current mode controllers that provide feedback to the IC and ensure high efficiency and accuracy. Gate drivers within the chip are optimised for driving logic level FETs at 0,25 A sourcing or 0,5 A sinking. Each output current can be individually dimmed via linear or PWM dimming methods. The HV9985 is available in 40-lead QFN and 44-lead QSOP packages, and are RoHS compliant.
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