AS3694 Product Brief www.
DataSheet4U.
com AS3694 12 channel high precision LED driver for LCD backlight and 3 DCDC Step Up controller Product Brief 1 General Description The AS3694 is a 12 cannels high precision LED driver with build in PWM generators for building backlight panels in LCD-TV-sets.
3 DCDC Step Up controllers can be used to build the power supplies for red, green and blue LED strings.
External clock and synchronizing inputs allow the synchronization of the LCD backlight with the TV picture.
Local dimming and scan dimming is supported by 12 independent PWM generators with programmable delay, period and duty cycle.
Three free configurable dynamic power feedback circuits make th...

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