ON Semiconductor further expands its lineup of LED lighting solutions with the introduction of a new off-line LED driver with single-stage integrated power factor correction (PFC) and isolated step-down AC-DC (AC-DC) power conversion - NCL30001. The device saves the dedicated PFC boost section, reduces component count, reduces solution cost, and improves the total energy efficiency of the LED power system for LED street lights, low ceiling lights, wallpacks, and building lighting applications.
The NCL30001 operates in continuous conduction mode (CCM) and can be configured as a constant current driver or a fixed output voltage driver, making it ideal for designs with power requirements from 40 W to 150 W. The controller is available in a SOIC-16 package and operates from 20 kHz to 250 kHz. The multi-function latch pin features an overtemperature shutdown circuit that provides circuit designers with a high degree of flexibility.
Other specifications of the NCL30001 controller include high voltage start-up circuitry, voltage feedforward for improved loop response, input undervoltage detection, internal overload timer, latch input, and high precision multipliers that reduce input line harmonics. ON Semiconductor also offers an isolated single-segment power factor correction LED driver evaluation board for this device for applications requiring direct constant current output from 40W to 100W. The current can be adjusted from 0.7 A to 1.5 A for a wider range of high power, high brightness LEDs.
Christophe Warin, AC-DC business unit manager at ON Semiconductor, said: "With the increasing popularity and rapid increase in LED-based lighting design, the need for energy-efficient, cost-effective integrated system management devices is even better. The NCL30001 is fully compatible with these. Demand, providing engineers with flexible single-segment topology LED drivers, is ideally suited for their new LED lighting products. This is another powerful example of ON Semiconductor's ongoing development of lighting solutions tailored to customer needs.
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