DS3991 - NEW! - Low-Cost CCFL Controller

The DS3991 is a controller for cold-cathode fluorescent lamps (CCFLs) that are used to backlight liquid-crystal Displays (LCDs). The DS3991 is available for both push-pull and half-bridge drive topologies.
The DS3991 converts a DC voltage (5V to 24V) to the High-Voltage (300VRMS to 1400VRMS) AC waveform that is required to power the CCFLs. The push-pull and halfbridge drive schemes use a minimal number of external components, which reduces component and assembly cost and makes the printed circuit board (PCB) design easy to implement. Both drive schemes provide an eff 4fa icient DC to AC conversion and produce near-sinusoidal waveforms.
By Maxim Integrated Products
DS3991 's PackagesDS3991 's pdf datasheet
DS3991ZT-R-PP SOIC
DS3991ZT-R-HB SOIC
DS3991ZPP SOIC
DS3991ZHB SOIC




DS3991 Pinout, Pinouts
DS3991 pinout,Pin out
This is one package pinout of DS3991,If you need more pinouts please download DS3991's pdf datasheet.

DS3991 Application circuits
DS3991 circuits
This is one application circuit of DS3991,If you need more circuits,please download DS3991's pdf datasheet.


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