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The NCL30386A1DR2G is a dimmable current mode controller for LED lighting applications, manufactured by onsemi. It supports Boost, Buck, Flyback, and SEPIC topologies within a 9-pin SOIC package. The device operates with a fixed switching frequency of 65 kHz and accepts an input voltage of 12 V. It provides constant current output capability with a maximum supply voltage range from 12 V to 12 V. The component functions reliably across an extended temperature range of -40°C to +125°C.
Verify the lifecycle status carefully, as this specific part number is listed as obsolete or end-of-life in available distributor records. Confirm availability through authorized channels or consider alternative sourcing strategies due to potential discontinuation. Ensure the datasheet matches the exact suffix requirements for your design implementation.
Select this component when designing drivers requiring support for various isolated and non-isolated topologies like Flyback or SEPIC. The fixed 65 kHz frequency simplifies magnetic component selection. Verify that the 12 V supply requirement aligns with the system power stage before integration into the final LED application.
This device belongs to the NCL30386 series of LED drivers. Related variants include the NCL30386B1DR2G, which shares similar packaging and operational characteristics but may differ in specific electrical parameters or pinout configurations. Both are designed for general LED lighting applications.
NCL30386B1DR2G is identified as a potential replacement option for this discontinued part number.