AME9002 Datasheet, PDF (9/37 Pages) Asahi Kasei Microsystems – CCFL Backlight Controller

AME, Inc.
AME9002
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
0.047µF
4 RDELTA
5 _FAULTB
6 _RT2
R2
40K
7 _VSS
C33
100p
D17
8 _OVPH
9 _OVPL
D16
R36
C32
2.2nF
10 _FCOMP
R45
1M
11 CSDET
12 _BATTFB
PNP 24
R1
2K
Q1
SSV 23
C14
1000p
BRIGHT 22
0.1µF
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
OUTAPB ¹⁴
OUTC ¹³
Q3-1
R37
2meg
Q2
T1
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
9