TARGET SPECIFICATION

This is preliminary information on a new product foreseen to be developed. Details are

subject to change without notice.

January 2006

Rev1

1/9

9

L6585D

PFC and Ballast Control IC

Features

■

Pre-heating and ignition phases independently

programmable

■

Programmable and precise End-of-life

protection compliant with all ballast

configurations

■

Half-bridge over-current control

■

Ignition voltage control

■

Automatic Re-lamp

■

1.25

µs dead time

■

3% Oscillator precision

■

Transition mode PFC with over-current

protection

■

PFC over-voltage protection and feedback

disconnection

■

Under-voltage lock-out

Applications

■

Electronic ballast

SO-20

www.st.com

Block diagram