NXP Semiconductors
UBA2014
600 V driver IV for HF fluorescent lamps
Vlamp
Vlamp(max)
Vlamp(fail)
preheat state
ignition power-down
state state
Timer
on
off
Fig 6. Failure mode during ignition
time
timer
ended
mgw584
Vlamp
Vlamp(max)
Vlamp(fail)
burn state
ignition
state
power-down
state
Timer
on
off
timer
started
Fig 7. Failure mode during burn
timer
ended
time
mgw585
UBA2014_4
Product data sheet
Rev. 04 — 16 October 2008
© NXP B.V. 2008. All rights reserved.
9 of 19