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| 型號： | LXM1621-02 |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, XMA |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 206K |
| 代理商： | LXM1621-02 |
DIGITAL DIMMING DUAL LAMP CCFL INVERTER MODULE
LXM1621-xx
PRODUCT DA T ABOOK 1996/1997
Copyright 1999
Rev. 0.5 11/99
2
P RELIMINAR Y D ATA S HEET
P A TENT P ENDING
RangeMAXTM
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (V
IN) ........................................................................................................................................................ -0.3V to 18V
Output Voltage, no load .............................................................................................................................. Internally Limited to 1800V
RMS
Output Current ............................................................................................................................................. 10.0mA
RMS (Internally Limited)
Output Power (per Lamp) .................................................................................................................................................................... 6.0W
Input Signal Voltage (BRITE Input) ....................................................................................................................................... -0.3V to 6.5V
Input Signal Voltage (SLEEP, V
SYNC Inputs) ................................................................................................................................... -0.3V to VIN
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.
RECOMMENDED OPERA TING CONDITIONS (R.C.)
This module has been designed to operate over a wide range of input and output conditions. However, best efficiency and performance
will be obtained if the module is operated under the condition listed in the 'R.C.' column. Min. and Max. columns indicate values beyond
which the inverter, although operational, will not function optimally.
Input Supply Voltage Range (Functional)
V
IN
Input Supply Voltage (Fully Regulated Lamp Current)
Output Power (per Lamp)
LXM1621-01
P
O
LXM1621-02
Brightness Control Input Voltage Range
V
BRT ADJ
Lamp Operating Voltage
LXM1621-01
V
LAMP
LXM1621-02
Lamp Current (Full Brightness - per Lamp)
LXM1621-01
I
OLAMP
LXM1621-02
Operating Ambient Temperature Range
T
A
Parameter
Symbol
Units
Recommended Operating Conditions
Min.
R.C.
Max.
812
18
V
10.2
12
13.8
V
45
W
2.5
3
W
0.0
2.5
V
500
625
750
V
RMS
350
425
500
V
RMS
7.0
mA
RMS
6.0
mA
RMS
070
°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, these specifications apply over the recommended operating conditions and 25°C ambient temperature for the LXM1621.
Full Bright Lamp Current
1621-01
I
L (MAX)
V
BRT ADJ = 2.5VDC, SLEEP = HIGH, Burst Duty = 100%, VIN = 12VDC
(per Lamp)
1621-02
V
BRT ADJ = 2.5VDC, SLEEP = HIGH, Burst Duty = 100%, VIN = 12VDC
Minimum Lamp Current (per Lamp)
I
L (MIN)
V
BRT ADJ = 0VDC, SLEEP = HIGH, Burst Duty = 2%, VIN = 9VDC
(Notes 2 & 3)
V
BRT ADJ = -50mVDC, SLEEP = HIGH, Burst Duty = 0.5%, VIN = 9VDC
Lamp Start Voltage
V
LS
0°C < T
A < 40°C, VIN ≥ 10.8VDC
Operating Frequency
f
O
V
BRT ADJ = 2.5VDC, SLEEP = HIGH, VIN = 12VDC
Output Pin Characteristics
Parameter
Symbol
Test Conditions
Units
LXM1621-01
Min.
Typ.
Max.
6.3
7.0
7.7
mA
RMS
5.5
6.0
6.5
mA
RMS
0.14
mA
RMS
0.035
mA
RMS
1500
1800
V
RMS
52
57
62
KHz
BRITE Input
Input Current
I
BRT
V
BRT ADJ = 0VDC
Input Voltage for Max. Lamp Current
V
C
I
O (LAMP) = 100% Duty Cycle
Input Voltage for Min. Lamp Current
V
C
I
O (LAMP) = 2% Duty Cycle
(Note 3)
I
O (LAMP) = 0.5% Duty Cycle
-6
-8
-10
A
DC
2.5
2.6
V
DC
00
V
DC
-50
mV
DC
2.2
V
IN
V
DC
-0.3
0.8
V
DC
70
75
100
A
DC
RUN Mode
V
SLEEP (HI)
SLEEP Mode
V
SLEEP (LO)
Input Current
I
SLEEP
SLEEP = 5.0V
SLEEP Input
Note 2. Minimum lamp current required to maintain even light output may vary with display panel.
3. See 1000:1 Dimming Application section for details.
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