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Part Number
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CAT3643 |
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Manufacturer
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Catalyst Semiconductor |
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Description
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3-Channel Ultra High Efficiency Quad-Mode TM LED Driver |
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Published
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Apr 18, 2007 |
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Detailed Description
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CAT3643
3-Channel Ultra High Efficiency Quad-Mode™ LED Driver
FEATURES
High efficiency 1.33x charge pump Quad-mode ...
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Datasheet
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CAT3643
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Overview
CAT3643
3-Channel Ultra High Efficiency Quad-Mode™ LED Driver
FEATURES
High efficiency 1.
33x charge pump Quad-mode charge pump: 1x, 1.
33x, 1.
5x, 2x Drives up to 3 LEDs at 32mA each 1-wire EZDim™ LED current programming Power efficiency up to 92% Low noise input ripple in all modes “Zero” current shutdown mode Soft start and current limiting Short circuit protection Thermal shutdown protection Tiny 12-lead XQFN, 12-lead TDFN and 16-lead TQFN packages
DESCRIPTION
The CAT3643 is a high efficiency quad-mode fractional charge pump that can drive up to three LEDs programmable by a one wire digital interface.
The inclusion of a 1.
33x fractional charge pump mode increases dev...
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