ON Semiconductor NCL30001 LED driver

An LED driver NCL30001, which integrates PFC and isolated step-down AC-DC power conversion in a single stage, has been created by ON Semiconductor.

It is designed to operate in CCM and can be configured as either a constant current or fixed output voltage driver for LED-based street lighting and architectural lighting applications of between 40W and 150W.

It features an adjustable operating frequency of 20 kHz to 250 kHz and a multi-function latch-off pin able to implement an overtemperature shutdown circuit.There is also a high voltage start-up circuit, voltage feed forward which is designed to improve loop response.

The chip has a brownout detector, internal overload timer, latch input and a high accuracy multiplier to reduce input line harmonics.

An isolated single stage power factor corrected LED Driver evaluation board is available for this device that is intended for applications ranging from 40 W - 100 W that require a direct constant current output.

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