BUY L6574D https://www.utsource.net/itm/p/34508.html
CFL/TL BALLAST DRIVER PREHEAT AND DIMMING
Description: L6574D is a high-voltage, high-current, low-power, low-dropout, monolithic, three-terminal, linear regulator with a built-in power switch. Features: Low dropout voltage: 0.8V (typical) Output current up to 1.5A Output voltage adjustable from 1.2V to 20V Low quiescent current: 10μA (typical) Over-temperature protection Short-circuit protection Thermal shutdown Internal current limit High ripple rejection Low noise High power supply rejection ratio Low external component count Applications: Automotive Industrial Telecommunications Computer Consumer electronics Battery-powered systems (For reference only)