LED lighting, the replacement of traditional fluorescent LED lamp increasingly clear trend. Compared to traditional fluorescent lamp LED can save more than at least 30%, and the lifetime is 5-8 times the conventional fluorescent lamp. Currently fluorescent lamp design limitations, mainly in thermal design, power supply design two aspects. The heat dissipation design has evolved from the original full PC tube to the current semi-PC semi-aluminum tube structure. Each heat dissipation design has its own advantages. At present, the whole industry pays attention to heat dissipation and heat dissipation design is much more mature than it was a year ago; It is a new generation of energy-saving products, so from the beginning of product definition, it puts high demands on the power supply, mainly in high performance, long life, small volume, low temperature rise, high reliability and so on.
The FT880 is a new generation of products newly developed for the existing LED fluorescent lamps on the market. It has the following features:
1. FT880 is manufactured by 500V high-voltage process, which makes the circuit have the characteristics of dynamic self-power supply, feedback zero current supply, 2ms ultra-fast start, etc. The long-term working circuit is more reliable;
2, the circuit can be configured as Buck, Buck-Boost, Boost and other circuit topologies to facilitate different LED application needs.
3. FT880 has PWM\PFM working mode, which enables the circuit to apply the patented “full voltage constant current technology†and can be flexibly configured to meet different topology and LED configurations for different working modes;
4, the chip operating frequency is adjustable, and can be configured as a fixed off-time mode, making the circuit application more flexible;
5, for the LED application to increase the linear dimming, PWM dimming function, you can input the dimming signal from the outside, you can also use FMD's patented LED dimming mode;
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