LED Backlight Power Control - Optillis
Description
LPS100A-7
LED Backlight Power Control
Product Description
The
Optillis
LPS100A
series
is
a
fixed
frequency
step-‐up
DC/DC
converter
designed
to
drive
up
to
3
strings
of
LEDs
from
a
12V
supply.
This
board
was
designed
to
work
with
displays
from
the
Optrex
and
Mitsubishi
TFT-‐LCD
displays.
Features
• • • • • • • Low
Cost
–
Constant
Current
Led
Backlight
Driver
Board
Form
Factor
and
Control
Interface
compatible
to
existing
CCFL
Driver
Boards
3
/
4
wire
operation
97%
efficiency
RoHs
Extended
Temperature
Range
Power
on
soft
start
LCD
Support
• • 8.
4”
Mitsubushi
AA084SB11
8.
4”
Mitsubushi
AA084XB11
Specifications
• • • • •
•
6
–
18
VDC
input
voltage
-‐30
to
85
C
operating
temperature
Weight
0.
4
oz
(10g)
0.
800”W
x
4.
35”L
x
0.
4”
H
(1)
SM06B-‐SHLS-‐TF
LED
connectors
(1)
640457-‐4
Tyco
power
/
control
connector
Options
• • 5V
input
voltage
Custom
form
factor,
connectors
Optillis 2011 Rev B
LPS100A-7
Electrical Characteristics (per string)
Input
PIN.
ITEM
SYMBOL
MIN.
TYP.
MAX.
UNIT
Remarks
LED
Input
Voltage
VCC
1
6
12
18
Vdc
Ground
GND
2
0
-‐-‐
-‐-‐
V
Vcontrol
VCTL
3
0
-‐-‐
18
V
*note
1
4
Enable
(on/off)
Enb
0
-‐-‐
18
V
**note
2
*
note
1
•
Brightness
Control
Input
:
0
–
5.
0
VDC
(0
–
100%)
**
note
2
•
Enable
Input:
0.
3V
or
le...
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