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參數(shù)資料
| 型號： | LX1692BIPW-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, TSSOP-20 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 300K |
| 代理商： | LX1692BIPW-TR |
LX1692B
PRODUCTION DATA SHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 6
Copyright
2005
Rev. 1.1, 12/20/2006
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:.
LX1692B
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
0.9
1.0
1.1
Vpk
Min ISNS Input Threshold
VISNSMIN
0.27
0.3
0.33
Vpk
Lamp current Regulation reference
voltage during strike period
VREF_STK
1.8
2
2.2
V
PROTECTION
Open Lamp Detection Enable
Threshold
VFEN
3.5
V
Over Voltage Detection Threshold
VOVSTH
3.0
3.2
3.4
V
Over Current Detection Threshold
VOCTH
1.8
2.0
2.2
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
Over Current Time Out
TOC
VOC_SNS >2.0V, Lamp Freq = 60Khz
500
sec
Over Voltage Time Out
TOSL
VOV_SNS > 2.9V, pulsed input
16
count
PWM BLOCK
ISNS Input Voltage Range
VR_ISNS
Maximum recommended for linear operation of
error amplifier
-4
+4
Vpk
OC_SNS Input Voltage Range
VR_OC
-4
+4.0
Vpk
OV_SNS Input Voltage Range
VR_OV
-4
+4.0
Vpk
VIN_SNS Input Voltage Range
VR_VINS
-0.3
VDDP
Vpk
ICOMP Error Amp
Transconductance
GM_EAMP
ISNS =1.5V
100
220
410
mho
ICOMP Output Source Current
IS_EAMP
ΔV_EAIN = 1.0V
100
A
ICOMP Output Sink Current
ISK_EAMP
ΔV_EAIN = 1.0V
100
A
ICOMP Output Voltage Range
VR_EAMP
0
VDDA
V
ISNS-BRITE_A Input Offset Voltage
VOS_EAMP
ISNS=1.5V, TA=25°C
-100
0
100
mV
ICOMP Discharge Current
ID_ICOMP
10
mA
ICOMP to A/B Output Propagation
Delay
TD_COMP
1100
ns
VCOMP High voltage
VHI_VCOMP
VOVSNS = 0V,
VDDA
V
VCOMP Sink Current
ILO_VCOMP
VVCOMP = 2V
1.5
mA
OUTPUT BUFFER BLOCK
Output Resistance
RON_SRC
VDDP = 5V
30
Output Resistance
RON_SINK
VDDP = 5V
30
Pull Up Resistance
RUP
COUT, DOUT
20
K
Ω
Pull Down Resistance
RDN
Aout, BOUT
20
K
Ω
Output voltage High
VOH
CAOUT = CBOUT= CCOUT = CDOUT=2000pF
VDDP-0.4
VDDP
V
Output voltage low
VOL
CAOUT = CBOUT= CCOUT = CDOUT=2000pF
0
0.4
V
Min off time
tOFF
200
320
550
ns
EE
LL
EE
CC
TT
RR
IICC
AA
LL
SS
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