參數(shù)資料
型號(hào)： MAX8722
廠商： Maxim Integrated Products, Inc.
英文描述： Low-Cost CCFL Backlight Controller
中文描述： 低成本CCFL背光控制器
文件頁(yè)數(shù)： 4/20頁(yè)
文件大小： 331K
代理商： MAX8722
M
Low-Cost CCFL Bac klight Controller
4
_______________________________________________________________________________________
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
0.8
UNITS
V
V
μA
SHDN
Input Low Voltage
SHDN
Input High Voltage
SHDN
Input Bias Current
2.1
-1
+1
FREQ Dual Mode
Input High
Level
V
CC
-
0.35
V
FREQ Input Regulation Level
FREQ Input Bias Current
V
CC
/ 2
230
1.00
-1
116
4.10
V
μA
FREQ = V
CC
V
ISEC
< 1.25V and V
IFB
< 600mV; V
FLT
= 2V
V
ISEC
< 1.25V and V
IFB
> 600mV; V
FLT
= 2V
V
ISEC
> 1.25V and V
IFB
< 600mV; V
FLT
= 2V
0.95
1.05
TFLT Charge Current
μA
TFLT Trip Threshold
3.95
4.20
V
Dual Mode is a trademark of Maxim Integrated Products, Inc.
ELECTRICAL CHARACTERISTIC
(Circuit of Figure 1. V
BATT
= 12V, V
CC
= V
DD
, V
SHDN
= 5.3V,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
4.6
5.5
TYP
MAX
5.5
28.0
2
2
UNITS
V
CC
= V
DD
= V
BATT
V
CC
= V
DD
= open
BATT Input Voltage Range
V
V
BATT
= 28V
V
BATT
= V
CC
= 5V
BATT Quiescent Current
V
SHDN
= V
CC
, V
IFB
= 1V
mA
BATT Quiescent Current,
Shutdown
SHDN
= GND
20
μA
V
CC
Output Voltage, Normal
Operation
V
SHDN
= 5.5V, 6V < V
BATT
< 28V
0 < I
LOAD
< 20mA
SHDN
= GND, no load
V
CC
rising (leaving lockout)
V
CC
falling (entering lockout)
5.25
5.55
V
V
CC
Output Voltage, Shutdown
3.5
5.5
4.58
V
V
CC
Undervoltage-Lockout
Threshold
4.0
V
GH1, GH2, GL1, GL2 On-
Resistance, High
I
TEST
=10mA, V
CC
= V
DD
= 5.3V
37
GH1, GH2, GL1, GL2 On-
Resistance, Low
I
TEST
=10mA, V
CC
= V
DD
= 5.3V
20
BST1, BST2 Leakage Current
Resonant Frequency Range
Minimum Off-Time
Maximum Off-Time
V
BST
_ = 12V, V
LX
_ = 7V
Guaranteed by design
5
μA
kHz
ns
μs
30
340
24
80
600
43
Current-Limit Threshold
LX1 - PGND, LX2 - PGND (Fixed)
ILIM = V
CC
180
220
mV
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MAX8722AEEG-T 功能描述:顯示驅(qū)動(dòng)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
MAX8722AETE+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
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