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Datasheet CAT4139 Equivalent ( PDF ) |
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| 2 | CAT4139 | 22V High Current Boost White LED Driver
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 |
 Catalyst Semiconductor |
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| 1 | CAT4139 | 22V High Current Boost White LED Driver CAT4139
22 V High Current Boost White LED Driver
Description
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 |
 ON Semiconductor |
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