RangeMAX™
TM
®
LX1688
Multiple Lamp CCFL Controller
P
RODUCTION
D
ATA
S
HEET
TYPICAL SLAVE APPLICATIONS
WWW .
Microsemi
.C
OM
CN
1
1
2
3
4
5
6
7
8
9
1
0
VBRITE
RMP_RST
PHA_SYNC
VIN
VIN
GND
GND
C1
470nF 16V
10%
VDDP
C2
470nF 16V
10%
1
AOUT
VSS_P
BOUT
VDD_P
VDD
VDD_SW
24
2
23
3
ENABLE
VDDSW
R2
47
VDD
C4
220nF
16v 10%
VSS
BEPOL
22
VDD
VBRITE
4
21
VDDSW
C5
C6
C7
C8
5
20
BRITE
6
TRI_C
19
C3 10nF
16V 10%
CPOR
7
OLSNS
18
ENABLE
8
ISNS
ICOMP
VCOMP
VSNS
SLAVE
FAULT
13
17
Power
Output
Section
I_R
R1
9
80.6K 1%
10
C9
16
CPWM1
CPWM2
C10
15
C11
14
RMP_RST
PHA-SYNC
11
RMP_RST
12
PHA_SYNC
R3
220
C5 : 220nF 16V 10%
C6 : 82nF 16V 10%
C7 : 100nF 16V 10%
C8 : 2.2nF 50V 5%
C9 : 4.7nF 16V 10%
C10-11 : 10nF 16V 10%
C1a
470nF 16V
10%
Master
LED1
VDDP
CN1
VIN
VIN
GND
GND
CN1
VIN
VIN
GND
GND
1
2
3
4
5
6
7
8
9
10
C1b
470nF 16V
10%
VDDP
1
2
VBRITE
RMP_RST
PHA_SYNC
C2a
470nF 16V
10%
3
1
AOUT
VSS_P
BOUT
VDD_P
VDD
VDD_SW
24
4
5
2
23
3
ENABLE
VDDSW
R2a
47
22
VDD
C4a
220nF
16v 10%
6
7
8
9
10
VBRITE
RMP_RST
PHA_SYNC
C2b
470nF 16V
10%
1
AOUT
VSS_P
BOUT
VDD_P
VDD
VDD_SW
24
2
23
VSS
BEPOL
3
ENABLE
VDDSW
R2b
47
VDD
C4b
220nF
16v 10%
VDD
VBRITE
4
21
VDDSW
C5a
C6a
C7a
C8a
VSS
BEPOL
22
VDD
VBRITE
4
21
VDDSW
C5b
C6b
C7b
C8b
5
20
BRITE
6
TRI_C
19
5
20
BRITE
18
TRI_C
19
C3a 10nF
16V 10%
CPOR
7
OLSNS
ISNS
ICOMP
VCOMP
VSNS
SLAVE
13
17
ENABLE
8
Power
Output
Section
6
C3b 10nF
16V 10%
CPOR
7
OLSNS
18
ENABLE
8
ISNS
ICOMP
VCOMP
VSNS
SLAVE
13
17
I_R
R1a
9
80.6K 1%
10
Power
Output
Section
C9a
16
I_R
R1b
9
80.6K 1%
10
CPWM1
CPWM2
C10a
C9b
16
CPWM1
CPWM2
C10b
15
15
C11a
14
11
C11b
14
11
RMP_RST
12
RMP_RST
RMP_RST
12
RMP_RST
PHA-SYNC
PHA_SYNC FAULT
PHA-SYNC
PHA_SYNC FAULT
R3a
220
VDDSW
R13a
100K
R3b
220
VDDSW
R13b
100K
C5a: 220nF 16V 10%
C6a: 82nF 16V 10%
C7a: 100nF 16V 10%
C8a: 2.2nF 50V 5%
C9a: 4.7nF 16V 10%
C10-11a: 10nF 16V 10%
Slave 1
LED1a
C5b: 220nF 16V 10%
C6b: 82nF 16V 10%
C7b: 100nF 16V 10%
C8b: 2.2nF 50V 5%
C9b: 4.7nF 16V 10%
C10-11b: 10nF 16V 10%
Slave 2
LED1b
Figure 2 –
Schematic Modules Connected as a Master and Slave
A
PPLICATIONS
A
PPLICATIONS
Copyright
©
2001
Rev. 1.2, 2006-03-09
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 11
MICROSEMI [ MICROSEMI CORPORATION ]
