CAT3644 driver equivalent, 4-channel ultra high efficiency led driver.
* High Efficiency 1.33x Charge Pump
* .
The CAT3644 is a high efficiency fractional charge pump that can drive up to four LEDs programmable by a one wire digital interface. The inclusion of a 1.33x fractional charge pump mode increases device efficiency by up to 10% over traditional 1.5x c.
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