The MAX8729EEI from Analog Devices Inc./Maxim Integrated is a CCFL controller Integrated Circuit for lighting ballast use, operating at 51.7 to 55.9 kHz with a Yes attribute, in a 28-QSOP package.
The MAX8729EEI+T from Analog Devices Inc./Maxim Integrated is a CCFL controller Integrated Circuit operating from 51.7 to 55.9 kHz (Yes), in a 28-QSOP package.