AME9003 Datasheet, PDF (31/39 Pages) Asahi Kasei Microsystems – CCFL Backlight Controller

AME, Inc.
AME9003
Preliminary
CCFL Backlight Controller
Figure 18. Four Tube Application Schematic
BATT
BRIGHT
R1
1Meg
R4
2K
R3
15k
Q1
PNP
2N3906
R6
51k
Q4
NPN
2N3904
Q5
PNP
2N3906
Q2
1
3
5602
2, 4
R8
C9 3.9k
1uF
SNUB
D2
IN914
D3
IN914
T1
2XTRANS
LX
T2
2XTRANS
C2
1uF
Vref
1
2
U1
Vref
CE
AME9003
24
PNP
23
SSV
CE
3
22
C3
SSC
BRIGHT
0.047uF C31
4 _RDELTA
5
SSC1ST
COMP ²¹
20
FB
0.47uF 6
R2
RT2
19
CT1
C1
0.1u
40k
R40
60K
C32
2200p
7 _VSS
8
OVPH
9
OVPL
10
FCOMP
11
CSDET
12 _BATTFB
18
VDD
17
VDD1
16
VBATT
15
OUTA
14
OUTAPB
13
OUTC
C8
47nF
C14
1000p
R20
100k
VDD
R41
10K
C5
C4
+
0.047uF 100uF
C6
0.1uF
C7
4.7uF
R7
30.1k
Q3-1
IRFR3303
Q3-2
IRFR3303
303
D6
1N5819
D4
OUT-1
IN914
R10
680
R35
D5
IN914
R36
R9A
221
R9B
221
R37
R38
R9C
221
R39
R50
R9D
221
R51
D19
D18
D17
D16
R52
VDD
D20
D24
R42
D21
D25
1 0k
D22
D26
R43
D23
1 0k
R40
C34
7.5 k 0 .0 1u
31