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CAT4134 500mA Dual Channel Movie/Flash LED Driver FEATURES Dual Mode (Movie or Flash) operation Independent Movie/Flash LED current control Can drive 2, 3, 4 or 6 LEDs High LED Current (250mA max per channel) Power efficiency up to 85% Dual frequency mode 1.2MHz and
CAT4137 CMOS Boost Converter White LED Driver Description The CAT4137 is a DC/DC step-up converter that delivers a regulated output current. Operation at a constant switching frequency of 1 MHz allows the device to be used with small value external ceramic capacitors and inductor. The device drives
CAT4139 22V High Current Boost White LED Driver FEATURES Switch Current Limit 750mA Drives LED strings up to 22V Up to 87% Efficiency Low Quiescent Ground Current 0.6mA 1MHz Fixed Frequency Low noise Operation Soft start “in-rush” current li
CAT4109, CAV4109 3-Channel Constant-Current RGB LED Driver with Individual PWM Dimming Description The CAT4109/CAV4109 is a 3−channel constant−current LED driver, requiring no inductor. LED channel currents up to 175 mA are programmed independently via separate external resistors. Low output vo
CAT4106 6 W Quad Channel DC/DC LED Driver with Diagnostics Description The CAT4106 is an integrated multi−channel LED driver and high power DC/DC converter suitable for powering backlighting applications up to a total of 6 watts. Up to four matched LED strings can be accurately programmed with un
CAT4137 CMOS Boost Converter - White LED Driver Features • • • • • • • • • • • • Drives up to 5 White LEDs from 3V Power Efficiency up to 87% Low Quiescent Ground Current 0.1mA Adjustable Output Current (up to 30mA) High Frequency 1MHz Operation “Zero” current shutdown m
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