參數(shù)資料
型號： MAX8722EEG
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Low-Cost CCFL Backlight Controller
中文描述： FLUORESCENT LIGHT CONTROLLER, PDSO24
封裝： 0.150 INCH, 0.250 INCH PITCH, MO-137AE, QSOP-24
文件頁數(shù)： 3/20頁
文件大?。?/td> 331K
代理商： MAX8722EEG
M
Low-Cost CCFL Bac klight Controller
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1. V
BATT
= 12V, V
CC
= V
DD
, V
SHDN
= 5.3V,
T
A
= 0°C to +85°C
.
Typical values are at T
A
= +25°C, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Zero-Current Crossing Threshold
LX1 to GND, LX2 to GND
1
6
12
mV
Current-Limit Leading Edge
Blanking
240
350
460
ns
IFB Input Voltage Range
IFB Regulation Point
-2
770
-2
-150
560
60
7
+2
810
+2
V
790
mV
0 < V
IFB
< 2V
-2V < V
IFB
< 0
IFB Input Bias Current
μA
IFB Lamp-Out Threshold
IFB to COMP Transconductance
COMP Output Impedance
600
100
10
640
160
18
mV
μS
M
0.5V < V
COMP
< 4V
COMP Discharge Current During
Overvoltage or Overcurrent Fault
V
IFB
= 800mV, V
ISEC
= 2V
400
μA
COMP Discharge Current During
DPWM Off-Time
CNTL = GND, V
COMP
= 2V
100
μA
DPWM Rising to Falling Ratio
ISEC Overcurrent Threshold
ISEC Input Bias Current
VFB Input Bias Current
VFB Overvoltage Threshold
V
IFB
= 0
2.5
1.21
1.15
-0.3
-0.3
2.2
1.28
+0.3
+0.3
2.4
V
μA
μA
V
0 < V
ISEC
< 2V
V
VFB
= 0.5V
2.3
343
209
106
R
FREQ
= 100k
R
FREQ
= 169k
R
FREQ
= 340k
SYNC = V
CC
, R
FREQ
= 169k
SYNC = V
CC
, R
FREQ
= 169k
SYNC = V
CC
, R
FREQ
= 169k
SYNC = V
CC
, R
FREQ
= 169k
SYNC = GND, FREQ = V
CC
SYNC = V
CC
, FREQ = V
CC
204
214
DPWM Chopping Frequency
Hz
DPWM Input Low Voltage
DPWM Input High Voltage
DPWM Input Hysteresis
DPWM Input Bias Current
DPWM Output Low Resistance
DPWM Output High Resistance
SYNC Input Low Voltage
SYNC Input High Voltage
SYNC Input Hysteresis
SYNC Input Bias Current
SYNC Input Frequency Range
0.8
V
V
2.1
100
mV
μA
k
k
V
V
mV
μA
kHz
-0.3
+0.3
2.4
2.4
0.8
2.1
100
V
SYNC
= 2V
-0.3
10
+0.3
50
CNTL Minimum Duty-Cycle
Threshold
0.20
0.23
0.26
V
CNTL Maximum Duty-Cycle
Threshold
1.9
2.0
2.1
V
CNTL Input Current
DPWM ADC Resolution
0 < V
CNTL
< V
CC
Guaranteed monotonic
-0.1
+0.1
μA
Bits
5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX8722EEG+ 功能描述:顯示驅(qū)動器和控制器 CCFL Backlight Controller RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel
MAX8722EEG+T 功能描述:顯示驅(qū)動器和控制器 CCFL Backlight Controller RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel
MAX8722EEG-T 功能描述:顯示驅(qū)動器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel
MAX8722EVKIT 功能描述:顯示開發(fā)工具 Low-Cost CCFL Backlight Controller RoHS:否 制造商:4D Systems 產(chǎn)品:4Display Shields 工具用于評估:?OLED-160-G1, ?OLED-160-G2 接口類型:Serial 工作電源電壓:5 V
MAX8723ETE+ 功能描述:顯示驅(qū)動器和控制器 Int-Switch Step-Down Regulator for LCDs RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel
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