The LT1186FCS#TRPBF from Analog Devices Inc. is a CCFL controller Integrated Circuit for ballast control with a frequency range of 175 to 225 kHz, in a 16-SO package.
The LT1186FCS#PBF from Linear Technology is a DAC-programmable CCFL converter and voltage regulator Integrated Circuit with 1 output, in a 16-SO package.