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| Part Number | CAT4139 |
| Distributor | Stock | Price | Buy |
|---|
| Part Number | CAT4139 |
| Manufacturer | Catalyst Semiconductor |
| Title | 22V 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 1MHz allows the device to be used with small value external ceramic capacitors and inductor. LEDs connected in series are driven with a regulated cu. |
| 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 limiting Shutdown current less than 1μA Open LED Overvoltage Protection Automatic Shutdown at 1.9V (UVLO) Thermal overload protection TSOT-23 5-Lead (1mm max height) DESCRIPTION The CAT4139 is a . |
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| 7 | CAT4104 |
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Desde 2024. D4U Semiconductor.
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