Datasheet Details
Part number:
CAT4139
Manufacturer:
File Size:
386.01 KB
Description:
22V High Current Boost White LED Driver
Features
* Switch Current Limit 750 mA
* Drives LED Strings up to 22 V
* Up to 87% Efficiency
* Low Quiescent Ground Current 0.6 mA
* 1 MHz Fixed Frequency Low Noise Operation
* Soft Start “In
* rush” Current Limiting
* Shutdown Current Less than 1 mA
* Open LED Overvolt
CAT4139, 22V High Current Boost White LED Driver
The CAT4139 is a DC/DC step *up converter that delivers an accurate constant current ideal for driving LEDs.
Operation at a fixed switching frequency of 1 MHz allows the device to be used with small value external ceramic capacitors and inductor.
LEDs connected in series are driven with a reg
CAT4139 Distributor
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