LX1688IPW Microsemi Analog Mixed Signal Group, LX1688IPW Datasheet - Page 9

• Manufacturer Part Number: LX1688IPW
• Description: IC CTRLR CCFL BACKLIGHT 24TSSOP
• Manufacturer: Microsemi Analog Mixed Signal Group
• Type: CCFL Controllerr

Specifications of LX1688IPW

• Frequency: 57 ~ 70 kHz
• Current - Supply: 5.5mA
• Current - Output: 100mA
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Copyright © 2001
Rev. 1.2, 2006-03-09
Analog Ground must
connect to power
ground at this point
only
CN1
10
7
8
9
PHA_SYNC
1
2
3
4
5
6
TM
RMP_RST
GND
GND
VBRITE
RMP_RST
PHA_SYNC
ENABLE
VDDSW
VIN
VIN
R1
80.6K 1%
10nF 16V
10%
VDD
16V 10%
470nF
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
C3
C2
Figure 1 – Schematic for LX1688 Inverter Module Configured as Master
10
12
11
2
3
4
5
6
7
8
9
1
C1
BEPOL
BRITE
VSS_P
VSS
ENABLE
AOUT
CPOR
I_R
CPWM1
CPWM2
RMP_RST
PHA_SYNC
PHA_SYNC
RMP_RST
10%
470nF 16V
VDD_SW
VCOMP
VDD_P
OLSNS
ICOMP
SLAVE
FAULT
A P P L I C A T I O N C I R C U I T S
TRI_C
BOUT
VSNS
ISNS
VDD
OPTION
Integrated Products Division
LED1
20
19
18
17
16
15
14
13
24
23
22
VDDSW
®
Microsemi
C6
82nF
16V 10%
C10
10nF
16V 10%
R3
220
C8
16V 5%
2.2nF
VDDP
R2
RangeMAX™
47
16V 10%
16V 10%
16V 10%
16V 10%
R5
220nF
R4
4.7nF
100nF
10nF
C11
C9
C5
39
C7
39
VDD
4
2
Multiple Lamp CCFL Controller
U2
SI9945AEY
16V
10%
C4
220nF
1
3
P
RODUCTION
8
7
6
5
R9
1K
+
3
2
1
C12
R10
1M
1:75
T1
220µ
25V
VDD
4
5
BC847ALT1
R6
82
1
2
Q1
D2
BAW56
BAV99
D
3
C13
0.1uF 50V
2.74K
R11
ATA
D3
1%
VDDP
10K
R7
2
3
BC847ALT1
S
Q2
1
2
3
HEET
1
BAW56
100K
C14
D1
R8
2.74K
1%
R12
2.2PF
PCB
50V 5%
C15
2.2nF
C16
COG
50V 5%
3.3nF
COG
LX1688
CN2
1
2
HV1
LV1
Page 9