
D
IRECT
D
RIVE
D
UAL
L
AMP
CCFL I
NVERTER
M
ODULE
LX M1620-01
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
Copyright 2000
Rev. 0.9 10/00
2
P
R E L I M I N A R Y
D
A T A
S
H E E T
R E C O M M E N D E D O P E R AT I N G C O N D I T I O N S
(R.C.)
This module has been designed o operate over a wide range of nput and output conditions. However, best efficiency and performance will be obtained f he module s operated
under he condition isted n he
R.C.
' column. Min. and Max. columns ndicate values beyond which he nverter, although operational, will not unction optimally.
Input Supply Voltage Range (Functional)
Input Supply Voltage (Fully Regulated Lamp Current)
Output Power (per Lamp)
V
IN
LXM1620-01
P
O
Brightness Control Input Voltage Range
Lamp Operating Voltage
V
BRT ADJ
V
LAMP
LXM1620-01
Lamp Current (Full Brightness - per Lamp)
Operating Ambient Temperature Range
I
OLAMP
T
A
Parameter
Symbol
Units
Recommended Operating Conditions
Min.
R.C.
Max.
10.2
10.2
12
12
4
16
13.8
5
V
V
W
0.0
500
5.0
750
V
625
V
RMS
6.0
mA
RMS
°C
0
70
E L E C T R I C A L C H A R A C T E R I S T I C S
Unless otherwise specified, these specifications apply over the recommended operating conditions and 25°C ambient temperature for the LXM1620.
Full Bright Lamp Current
1620-01
(per Lamp)
Minimum Lamp Current (per Lamp)
(Note 2)
Lamp Start Voltage
Operating Frequency
BRITE Input
Input Current
Input Voltage for Max. Lamp Current
Input Voltage for Min. Lamp Current
SLEEP Input
I
L (MAX)
V
BRT ADJ
= 5.0V
DC
, SLEEP = HIGH, V
IN
= 12V
DC
I
L (MIN)
V
BRT ADJ
= 0V
DC
, SLEEP = HIGH, V
IN
= 12V
DC
V
LS
f
O
0°C < T
A
< 40°C, V
IN
≥
10.8V
DC
V
BRT ADJ
= 5.0V
DC
, SLEEP = HIGH, V
IN
= 12V
DC
Output Pin Characteristics
Parameter
Symbol
Test Conditions
Units
LXM1620-xx
Min.
Typ.
Max.
5.4
6.0
6.6
mA
RMS
0.5
mA
RMS
1500
52
1800
62
V
RMS
KHz
57
I
BRT
V
C
V
C
V
BRT ADJ
= 0V
DC
I
O (LAMP)
= 100%
I
O (LAMP)
= Minimum
-6
-8
5.0
0
-10
μA
DC
V
DC
V
DC
2.2
-0.3
60
V
IN
0.8
180
V
DC
V
DC
μA
DC
120
RUN Mode
SLEEP Mode
Input Current
Power Characteristics
Sleep Current
V
SLEEP (HI)
V
SLEEP (LO)
I
SLEEP
SLEEP = 5.0V
Note 2. Minimum lamp current required to maintain even light output may vary with display panel.
A B S O L U T E M A X I M U M R AT I N G S
(Note 1)
Input Supply Voltage (V
) ............................................................................................................................................................-0.3V to 18V
Output Voltage, no load .....................................................................................................................................Internally Limited to 1800V
Output Current ..................................................................................................................................................10.0mA
(Internally Limited)
Output Power (per Lamp) ........................................................................................................................................................................ 6.0W
Input Signal Voltage, (SLEEP and BRITE Inputs) ..........................................................................................................................-0.3V to V
IN
Ambient Operating Temperature ....................................................................................................................................................0°C to 70°C
Storage Temperature Range.........................................................................................................................................................-40°C to 85°C
Note 1.
Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of the
specified terminal.
I
IN (MIN)
V
IN
= 12V
DC
, SLEEP = 0V
DC
0
1
50
μA
DC