CAT4139 driver equivalent, 22v high current boost white led driver.
* 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.
Features
* Switch Current Limit 750 mA
* Drives LED Strings up to 22 V
* Up to 87% Efficiency
* Low Qui.
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.
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