AME9002 Datasheet, PDF (30/37 Pages) Asahi Kasei Microsystems – CCFL Backlight Controller

AME, Inc.
AME9002
Preliminary
CCFL Backlight Controller
Figure 18. Four Tube Application Schematic
BATT
R1
1Meg
BRIGHT
R4
2K
R3
15k
Q1
PNP
2N3906
R6
51k
Q4
NPN
2N3904
Q5
PNP
2N3906
3
Q2 5602
1
2, 4
R8
C9 3.9k
1uF
SNUB
D2
IN914
D3
IN914
T1
2XTRANS
LX
T2
2XTRANS
C2
U1
1uF
Vref
1
AME9002
24
Vref
PNP
2
CE
23
SSV
CE
3
22
C3
SSC
BRIGHT
4
RDELTA
21
COMP
0.047uF
5
FAULTB
20
FB
6
19
R2
RT2
CT1
C1
40k
0.1u
7
VSS
8
OVPH
9
OVPL
18
VDD
17
VDD1
16
VBATT
R40
60K
C32
2200p
10
FCOMP
11
CSDET
12 _BATTFB
15
OUTA
14
OUTAPB
13
OUTC
C8
47nF
C14
1000p
R20
100k
VDD
R41
C5
10K
C4 +
C6
C7
0.047uF 100uF
0.1uF
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
R51
D19
D18
D17
D16
R50
R52
R9D
221
VDD
D20
D24
R42
D21
D25
10k
D22
D26
R43
D23
10k
R40 C34
7.5k 0.01u
30