ICB2FL02G Datasheet, PDF (11/55 Pages) Infineon Technologies AG – Smart Ballast Control IC for Fluorescent Lamp Ballasts

2^nd Generation FL-Controller for FL-Ballasts
Functional Description
2
Functional Description
2.1 Typical Application Circutry
L101 D1...4
C1
90 ...
270 VAC
C2
R41
L1
R34
D5 ^R13
R14
R1 _Q1
R15
R2
R16
C10
R11
PFCZCD
PFCGD
PFCVS
PFCCS
R12
R35
Q2
R26
HSGD
HSVCC
HSGND
C14
Q3
R27
LSGD
LSCS
D6
R18 C11 R20
R30
DR12
D9
C12
R21R22R23
C13
R25
R42 R43 R44
C40
L2
R45
C17
C15
C24
C16
R36
D7
D8
C19
Figure 3 Application Circuit of Ballast for a single Fluorescent Lamp (FL)
The schematic in Figure 3 shows a typical application for a T5 single fluorescence lamp. It is designed
for universal input voltage from 90 V_AC until 270 V_AC. The following chapters are explaining the
components and referring to this schematic.
Preliminary Datasheet
Page 11 of 55
ICB2FL02G
V1.2