AN_UBA2024T_15 Datasheet, PDF (15/18 Pages) NXP Semiconductors – CFL applications

Philips Semiconductors
CFL applications with the UBA2024T
APPLICATION NOTE
12W DEMO BOARD LAMP :
12W lamp (150mA burner, cold ignition, fout=46kHz)
REF
RFUS
D1..D4
CBUF
LFILT
CHB1, CHB2
CLA
LLA
CDV
CFS
CVDD
COSC
ROSC
CSW
DESCRIPTION
Fusible inrush current limiter resistor
Bridge rectifier diodes
Buffer capacitor
Filter inductor
Half bridge capacitors
Lamp capacitor
Lamp inductor
dV/dt limiting capacitor
Floating Supply buffer capacitor
low voltage supply buffer capacitor
Oscillator capacitor
Oscillator resistor
Sweep time capacitor
REMARKS
Special type, fusible, high peak power
High temperature electrolytic type
Axial type
Foil type, capable of withstanding peak
voltages of twice it’s dc rating
E-16-Core
230V/50Hz
10Ω
1N4007
3.3µF/400V
1.8mH
100nF/200V dc
2.2nF/400V dc
2.7mH
220pF/500V dc
10nF/50V
10nF/50V
180pF/50V
110kΩ/1/8W
33nF/50V
15