AME9003 Datasheet, PDF (10/39 Pages) Asahi Kasei Microsystems – CCFL Backlight Controller

AME, Inc.
AME9003
Preliminary
CCFL Backlight Controller
n Application Schematic
Figure 2. Double Tube Application Schematic (7V < Vbatt < 24V)
1 _VREF
C2
1µF
2 CE
3 SSC
V _DD
R3
15k
C3
0.047 µF
C31
0.47µF
R2
40K
4 _RDELTA
5 _SSC1ST
6 _RT2
7 _VSS
D17
8 _OVPH
C33
100p
9 _OVPL
D16
R36
10 FCOMP
C32
2.2nF
R45
1M
11 CSDET
12 _BATTFB
10
PNP 24
R1
2K
Q1
SSV 23
C14
1000p
BRIGHT 22
0.1 µF
COMP ²¹
C8
47nF
FB
CT1
VDD
BRPOL
20
R7
30K
19
C4
0.047µF
18
HI=Reverse
LO=Normal
17
C7
4.7µF
VBATT 16
OUTA 15
Q2
T1
OUTAPB 14
Q3-1
OUTC ¹³
R37
2meg
R35
2meg
R40
60k
Q3-2
R41
10k
R40
7.5k
C34
0.01u
R38
3k
R36
3k
R10
680
D23 D22 D21 D20
R9B
221
R42,43
10k
VDD
R9A
221