Datasheet

UBA2028 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 02 — 19 July 2010 9 of 23
NXP Semiconductors
UBA2028
600 V dimmable power IC for compact fluorescent lamps
Fig 3. Oscillator and drive signals
Fig 4. Normal ignition behavior
mgw58
2
V
CF
V
GL
V
(GH-SH)
0
0
0
time
0
0
V
ACM
V
halfbridge
mgw583
burn state
ignition
statepreheat state
f
min
detection
Timer
on
time
off
V
lamp(fail)
V
lamp(max)
V
lamp