UBA2024AT PHILIPS [NXP Semiconductors], UBA2024AT Datasheet - Page 11

• Manufacturer Part Number: UBA2024AT
• Description: Half-bridge power IC for CFL lamps
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
12. Application information
UBA2024
Product data sheet
Fig 6.
Fig 7.
AC mains
(120 V)
supply
AC mains
(230 V)
supply
Schematic of 230 V standard compact fluorescent lamp application using UBA2024
Schematic of 120 V standard compact fluorescent lamp application using UBA2024B
R FUS
4.7 Ω
R FUS
33 Ω
D1
D4
D1
D3
D2
D3
D2
D4
1.5 mH
C BUS
33 μF
150 nF
L FILT
C HB2
1.8 mH
4.7 μF
C BUF
L FILT
C HB1
150 nF
24 W/300 mA
All information provided in this document is subject to legal disclaimers.
C HB2
47 nF
C HB1
47 nF
10 nF
CFL
C RS
11 W/150 mA
maximum 300 V
max. 550 V
Rev. 6.2 — 1 November 2010
1.5 nF
CFL
C LA
0.66 mH
C DVDT
820 pF
L R
3.1 mH
L LA
C FS
10 nF
PGND
OUT
C FS
10 nF
C DV
100 pF
HV
FS
PGND
OUT
UBA2024B
HV
FS
UBA2024
Half-bridge power IC for CFL lamps
V
RC
SW
SGND
DD
SW
V
RC
SGND
DD
C SW
470 nF
R OSC
110 kΩ
C OSC
180 pF
R SW
4.7 MΩ
UBA2024
© NXP B.V. 2010. All rights reserved.
C VDD
10 nF
001aam620
R OSC
26.1 kΩ
C OSC
1.2 nF
001aan022
C SW
33 nF
11 of 17
C VDD
10 nF