Part number:
CAT4137
Manufacturer:
Catalyst Semiconductor
File Size:
328.03 KB
Description:
Cmos boost converter - white led driver.
CAT4137_CatalystSemiconductor.pdf
Datasheet Details
Part number:
CAT4137
Manufacturer:
Catalyst Semiconductor
File Size:
328.03 KB
Description:
Cmos boost converter - white led driver.
CAT4137, CMOS Boost Converter - White LED Driver
The CAT4137 is a DC/DC step-up converter that delivers a regulated output current.
Operation at a constant switching frequency of 1MHz allows the device to be used with small value external ceramic capacitors and inductor.
The device drives a string of white LEDs connected in series and provides the
CAT4137 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
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