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參數(shù)資料
| 型號： | LX1692IDW-TR |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.1 A SWITCHING CONTROLLER, PDSO20 |
| 封裝： | ROHS COMPLIANT, PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 12/15頁 |
| 文件大?。?/td> | 271K |
| 代理商： | LX1692IDW-TR |
LX1692
PRODUCTION DATA SHEET
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
WWW
.Microse
m
i
.CO
M
Full Bridge Resonant CCFL Controller
TM
ELECTRICAL CHA RACTERISTICS (CONTINUED)
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
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
BIAS BLOCK
Voltage at Pin I_R
V_IR
I_R = 40K
1.0
V
Pin I_R Max Source Current
IMAX_IR
75
A
STRIKING BLOCK
ISNS Input Strike Threshold
VISNS_STK
1.0
Vpk
Min ISNS Input Threshold
VISNSMIN
0.3
Vpk
Lamp current Regulation Reference
Voltage During Strike Period
VREF_STK
2
V
Number of Zero Crossing Signal
Delay Steps During Strike
NSTEP
128
Steps
Number of Pulses Zero Crossing
Signal per Step During Strike
NPS
8
Pulses
Initial Delay Time
TFDLY
3.6
s
Last Delay Time
TLDLY
After 128 steps
0.3
us
OVSNS Zero Comparator HIGH
VOVZH
0.843
V
OVSNS zero Comparator LOW
VOVZL
-0.443
V
OVSNS Peak Comparator High
VOVPH
2.13
V
OVSNS Peak Comparator Low
VOVPL
-1.73
V
PROTECTION
Open Lamp Detection Enable
Threshold
VFEN
3.5
V
Over Voltage Detection Threshold
VOVSTH
3.2
V
Over Current Detection Threshold
VOCTH
2.0
V
Open Lamp Striking Time Out
TSTKO
4.5V > VDDP < 5.5V, ISNS = 0V, , C_TO = 1F,
I_R = 40K, VC_TO > 3.5V
1.2
1.4
1.6
sec
Open Lamp Time Out ( After Ignition)
TOL
VISNS < 0.3V, VC_TO >3.5V,
Lamp Freq = 60Khz
2.1
msec
Short Lamp/Over Current Detection
Enable Threshold
VDCOD
4.5V > VDDP < 5.5V, ISNS = 0V, C_TO = 1F,
I_R = 40K
0.7
V
Over Current Time Out
TOC
VOC_SNS >2.0V, Lamp Freq = 60Khz
500
sec
Short Lamp Time Out (Strike)
TSL_STK
VOV_SNS < 0.5V, VISNS < 1V
135
msec
Short Lamp Time Out (Run)
TSL_RUN
VOV_SNS < 0.5V, VISNS > 0.3V
500
sec
Over Voltage Time Out
TOSL
VOV_SNS > 3.2V, pulsed input
16
count
EE
LL
EE
CC
TT
RR
IICC
AA
LL
SS
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