UBA2024 NXP Semiconductors, UBA2024 Datasheet - Page 7

• Manufacturer Part Number: UBA2024
• Description: Half-bridge Power Ic For Cfl Lamps
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
2004 Feb 03
Sweep function
I
t
ch(sw)
sweep
SYMBOL
Half-bridge power IC for CFL lamps
AC mains
(230 V)
supply
charge current for sweep
sweep time
R FUS
33
D1
D3
Fig.5 Typical integrated CFL application with UBA2024P at f = 46 kHz.
PARAMETER
D2
D4
1.8 mH
4.7 uF
C BUF
L FILT
C HB2
47 nF
C HB1
47 nF
11 W/150 mA
max. 550 V
1.5 nF
C LA
V
C
SW
SW
3.1 mH
= 0 V
= 33 nF; V
L LA
7
CONDITIONS
C DV
100 pF
C FS
10 nF
PGND
DD
OUT
HV
FS
= 12.2 V
6
3
5
4
UBA2024P
1
7
8
2
SW
V
RC
SGND
DD
215
0.28
MIN.
R OSC
110 K
C OSC
180 pF
280
0.35
TYP.
Product specification
UBA2024
C VDD
10 nF
345
0.45
MAX.
mdb033
C SW
33 nF
nA
s
UNIT