Resonant Fluorescent Lamp Driver

The UC1871 Family of ICs is optimized for highly efficient fluorescent lamp control. An additional PWM Controller is integrated on the IC for applications re- quiring an additional supply, as in LCD Displays When disabled the IC draws only 1A, providing a true disconnect feature, which is optimum for battery powered systems. The switching frequency of all outputs are synchronized to the resonant frequency of the external passive network, which provides Zero Voltage Switching on the Push-Pull drivers. Soft-Start and open lamp detect circuitry have been incorporated to minimize component stress. An open lamp is detected on the completion of a soft-start cycle. The Buck controller is optimized for smooth duty cycle control to 100%, while the flyback control ensures a maximum duty cycle of 95%. Other features include a precision 1% reference, under voltage lockout, flyback current limit, and accurate minimum and maximum frequency control. By Texas Instruments
UC1871 's PackagesUC1871 's pdf datasheet



UC1871 Pinout, Pinouts
UC1871 pinout,Pin out
This is one package pinout of UC1871,If you need more pinouts please download UC1871's pdf datasheet.

UC1871 Application circuits
UC1871 circuits
This is one application circuit of UC1871,If you need more circuits,please download UC1871's pdf datasheet.


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