lx1695 Microsemi Corporation, lx1695 Datasheet - Page 5

• Manufacturer Part Number: lx1695
• Description: Switched Royer Ccfl Inverter Monitor Ic
• Manufacturer: Microsemi Corporation

Copyright © 2004
Rev. 1.0a, 2006-01-06
Approximate
DIM FREQ =
LX1695 Circuit
Enable
BRITE_IN
ENABLE
GND
+5V
VIN
TM
CN1
6300
R2
+5V
[Hz], R [K ]
R5 2.2M
R2 24.9K 1%
1µF
C5
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Q3 DTA114
Option: If system can not
provide 5V, use this circuit.
Ω
VINS
1
2
3
4
DIM_FREQ
ENA
FLT_DLY
BRITE_IN
LX1695
Q5 DTC144
F1
+5V
R6 10K
ROYER
OLSNS
A P P L I C A T I O N C I R C U I T
VINS
GND
VDD
C1
Figure 2 – Typical Application
Integrated Products Division
8
7
6
5
D2
5.6V
®
+5V
Microsemi
Q4
BC847A
R1 510
1µF
C6
L1
Switched Royer CCFL Inverter Monitor IC
R3
56K
D1
BAV70
C4
0.22µF
N.C.
P
R4
470
RODUCTION
VIN
Royer Input Voltage (Buck Output)
+5V
5VDC for LX1695
5V ±5%
100mA
ENABLE
CIRCUIT On / Off Signal
5V Logic Level > 2.4V : On | <0.8V : Off
BRITE_IN
Burst Duty Control Voltage
0V ~ 2V = 3.125% ~ 100%
Q1
C3
D
ATA
S
Q2
HEET
ROYER TX
T1
C2
LX1695
CN2
Page 5