UBA2021

INTEGRATED CIRCUITS DATA SHEET UBA2021 630 V driver IC for CFL and TL lamps Product specification Supersedes data of 2000 Jul 24 File under Integrated Circuits, IC11 2001 Jan 30 Philips Semiconductors 630 V driver IC for CFL and TL lamps Product specification UBA2021 FEATURES Adjustable preheat and ignition time Adjustable preheat current Adjustable lamp power Lamp temperature stress protection at higher mains voltages Capacitive mode protection Protection against a too-low drive voltage for the power MOSFETs. GENERAL DESCRIPTION The UBA2021 is a high-voltage IC intended to drive and control Compact Fluorescent Lamps (CFL) or fluorescent TL-lamps. It contains a driver circuit for an external half-bridge, an oscillator and a control circuit for starting up, preheating, ignition, lamp burning and protection. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT High voltage supply VFS high side supply voltage IFS < 15 µA; t < 0.5 s − Start-up state VVS(start) VVS(stop) IVS(standby) oscillator start voltage oscillator stop voltage standby current VVS = 11 V − − − Preheat mode fstart tph VRS(ctrl) start frequency preheat time control voltage at pin RS CCP = 100 nF − − − Frequency sweep to ignition fB bottom frequency tign ignition time − − Normal operation fB tno Itot RG1(on), RG2(on) RG1(off), RG2(off) bottom frequency non-overlap time total supply current high and low side on resistance high and low side off resistance fB...