UBA2021
Overview
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 Table
- Quick reference data Symbol Parameter High voltage supply VFS high side supply voltage Start-up state VVS(start) oscillator start voltage VVS(stop) oscillator stop voltage IVS(standby) standby current Preheat mode fstart start frequency tph preheat time VRS(ctrl) control voltage at pin RS Frequency sweep to ignition fB bottom frequency tign ignition time Normal operation fB bottom frequency tno non-overlap time Conditions IFS < 15 µA; t < 0.5 s VVS = 11 V CCP = 100 nF Min Typ Max Unit -- 630 V - 11.95 - 10.15 - 200 - V V µA - 108 - 666 - -600 - kHz ms mV - 42.9 - 625 - kHz ms - 42.9 - 1.4 - kHz µs NXP Semiconductors UBA2021 630 V driver IC for CFL and TL lamps Table
- Quick reference data Symbol Parameter Itot total supply current RG1(on), RG2(on) high and low side on resistance RG1(off), RG2(off) high and low side off resistance Feed-forward fff feed-forward frequency Ii(RHV) operating range of input current at pin RHV Conditions fB = 43 kHz IRHV = 0.75 mA IRHV = 1.0 mA Min Typ -1 - 126 - 75 Max Unit - mA -Ω -Ω - 63.6 - kHz - 84.5 - kHz 0- 1000 µA
