LXMG1615-03-02 Microsemi Analog Mixed Signal Group, LXMG1615-03-02 Datasheet - Page 5

• Manufacturer Part Number: LXMG1615-03-02
• Description: MOD INVERTER CCFL DGTL SGL OUT
• Manufacturer: Microsemi Analog Mixed Signal Group
• Series: LXMG1615-03-xxr
• Type: Inverters for CCFL and UV Lampsr

Specifications of LXMG1615-03-02

• Voltage - Input: 3.3V
• Output: 1800V
• Size / Dimension: 3.70" L x 0.59" W x 0.18" H (94mm x 15mm x 4.6mm)
• Mounting Type: Chassis Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Copyright © 2000
Rev. 1.0, 2006-03-23
HIGHLIGHTS (CONTINUED)
The LXMG1615-03-xx output current can be adjusted
lower by changing the value of one resistor (R10) on the
PCB. The following table shows the new output current
values:
•
Separate feedback loops for lamp current and open circuit
voltage regulation insure reliable strike under all operating
conditions, automatic over-voltage prevention with broken
or failed lamps, and accurate lamp current regulation.
TM
V
SYNC
0 < P.W. < 100% of period
4.0mArms
3.5mArms
3.0mArms
2.5mArms
2.0mArms
Figure 5A - PWM Brightness Control
PWM Signal
from System
BRITE
< 200µS
Figure 5 - Brightness Control
P.W.
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
LXMG1615-03-xx
3.3V
+3.3V
SYNC
DC
137K 1% (stock setting)
95.3K1%
68.1K1%
49.9K1%
36.5K1%
L X M G 1 6 1 5 - 0 3 - X X O U T P U T C U R R E N T A D J U S T
3.2V - 4.2V
H O W T H E R A N G E M A X W O R K S ( C O N T I N U E D )
or 5V
V
GND
BATT
BRITE
LXMG1615-03
V
V
LO
HI
T Y P I C A L A P P L I C A T I O N
CCFL
TUBE
Integrated Products Division
®
Microsemi
RangeMAX™
CN1
•
•
•
•
•
3.6/5V 2W, D
The Brightness control may be a voltage output DAC, or
other voltage source as shown in Figure 5. A 3.3V Logic
Level PWM signal from a micro-controller may also be
used as shown in Figure 5A.
If synchronization to the video frame rate is desired,
connect the vertical sync pulse from the system video
controller to the VSYNC input.
synchronization is desired, connect VSYNC to ground.
If you need to turn the inverter ON/OFF remotely, use the
+3.3V Logic Supply pin.
Connect VHI to high voltage wire from the lamp.
Connect VLO to the low voltage wire (wire with thinner
insulation). Never connect VLO to circuit ground as this
will defeat lamp current regulation. If both lamp wires
have heavy high voltage insulation, connect the longest
wire to VLO. This wire is typically white.
Also available in higher power single lamp inverters
LXMG1612-xx-xx,
LXMG1622-xx-xx and Quad Output LXMG1641-01
versions for multiple lamp applications.
A single input will accommodate negative and positive
vertical sync pulses at any pulse width.
R5
F1
P
RODUCTION
IGITAL
R a n g e M A X I N V E R T E R S
C9
R2
R1
D
R3
R4
IMMING
C7
R6
C8
C10
Dual
R8
D
CCFL I
ATA
LXMG1615-03-xx
S
Output
NVERTER
HEET
U1
C4
LXMG1621-01,
M
R11
ODULE
C17
If no video
C13
C15
C16
C14
D1
R10
R19
Page 5
R18