參數(shù)資料
型號： LX1692IPW
廠商： MITSUMI ELECTRIC
英文描述： Full Bridge Resonant CCFL Controller
中文描述： 全橋諧振CCFL控制器
文件頁數(shù)： 6/15頁
文件大?。?/td> 280K
代理商： LX1692IPW
LX1692
P
RODUCTION
D
ATA
S
HEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 6
Copyright
2004
Rev. 1.1, 2/9/2006
W
M
.
C
Full Bridge Resonant CCFL Controller
TM
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 ( C O N T I N U E D )
Unless otherwise specified, the following specifications apply over the operating ambient temperature -20
°
C
≤
T
A
≤
70
°
C except where
otherwise noted and the following test conditions:.
LX1692
Typ
Parameter
Symbol
Test Conditions
Min
Max
Units
`
`
BIAS BLOCK
Voltage at Pin I_R
Pin I_R Max Source Current
STRIKING BLOCK
ISNS Input Strike Threshold
Min ISNS Input Threshold
Lamp current Regulation Reference
Voltage During Strike Period
Number of Zero Crossing Signal
Delay Steps During Strike
Number of Pulses Zero Crossing
Signal per Step During Strike
Initial Delay Time
Last Delay Time
OVSNS Zero Comparator HIGH
OVSNS zero Comparator LOW
OVSNS Peak Comparator High
OVSNS Peak Comparator Low
`
PROTECTION
Threshold
Over Voltage Detection Threshold
Over Current Detection Threshold
Open Lamp Striking Time Out
V
_IR
I
MAX_IR
I_R = 40K
1.0
75
V
μA
VISNS_STK
VISNSMIN
1.0
0.3
Vpk
Vpk
V
REF_STK
2
V
N
STEP
128
Steps
N
PS
8
Pulses
T
FDLY
T
LDLY
V
OVZH
V
OVZL
V
OVPH
V
OVPL
After 128 steps
3.6
0.3
0.843
-0.443
2.13
-1.73
μs
us
V
V
V
V
Open Lamp Detection Enable
V
FEN
3.5
V
V
OVSTH
V
OCTH
4.5V > VDDP < 5.5V, ISNS = 0V, , C_TO = 1μF,
I_R = 40K, VC_TO > 3.5V
VISNS < 0.3V, VC_TO >3.5V,
Lamp Freq = 60Khz
4.5V > VDDP < 5.5V, ISNS = 0V, C_TO = 1μF,
I_R = 40K
VOC_SNS >2.0V, Lamp Freq = 60Khz
VOV_SNS < 0.5V, VISNS < 1V
VOV_SNS < 0.5V, VISNS > 0.3V
3.2
2.0
V
V
T
STKO
1.2
1.4
1.6
sec
Open Lamp Time Out ( After Ignition)
T
OL
2.1
msec
Short Lamp/Over Current Detection
Enable Threshold
Over Current Time Out
Short Lamp Time Out (Strike)
Short Lamp Time Out (Run)
V
DCOD
0.7
V
T
OC
T
SL_STK
T
SL_RUN
500
135
500
μsec
msec
μsec
Over Voltage Time Out
T
OSL
VOV_SNS > 3.2V, pulsed input
16
count
E
L
E
C
T
R
I
C
A
L
S
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