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參數(shù)資料
| 型號： | MAX754 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | CCFL Backlight and LCD Contrast Controllers(CCFT背光和液晶顯示器對比度控制器（電源）) |
| 中文描述： | CCFL背光燈及LCD對比度控制負壓控制器 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 137K |
| 代理商： | MAX754 |
M
CCFL Bac klight and
LCD Contrast Controllers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
DD
to GND.................................................................-0.3V, +7V
PGND to GND.....................................................................±0.3V
BATT to GND.............................................................-0.3V, +36V
LX to GND............................................................................±50V
CS to GND.....................................................-0.6V, (V
DD
+ 0.3V)
Inputs/Outputs to GND (LADJ , CADJ , LON,
CON, REF, CFB, CC, CDRV, LDRV, LFB) .....-0.3V, (V
DD
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
Plastic DIP (derate 10.53mW/°C above +70°C) ...........842mW
Narrow SO (derate 8.70mW/°C above +70°C) .............696mW
ELECTRICAL CHARACTERISTICS
(V
DD
= 5V, BATT = 15V, CON = LON = 5V, LX = GND = PGND = 0V, I
REF
= 0mA, all digital input levels are 0V or 5V,
T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Ranges
MAX75_C_ _ ........................................................0°C to +70°C
MAX75_E_ _......................................................-40°C to +85°C
J unction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
Guaranteed monotonic
Maximum, CFB = 0V
Minimum, CFB = 5V
V
CS
= 0V
LON, CON, CADJ , LADJ ; V
DD
= 5.5V
LON, CON, CADJ , LADJ ; V
IN
= 0V or 5V
LON, CON, CADJ , LADJ ; V
DD
= 4.5V
LDRV, CDRV;
V
DD
= 4.5V
No external load
4V < V
DD
< 6V
0μA < I
L
< 100μA
LON = CON = CS = LFB = CFB =
LADJ = CADJ = 5V
LON = CON = CS = LFB = CFB = LADJ
= CADJ = LX = BATT = 0V (Note 1)
LDRV = CDRV = 2V
CONDITIONS
Bits
5
DAC Resolution
85
115
kHz
32
47
VCO Frequency
μA
-5
CS Input Bias Current
V
1.2
1.3
Overcurrent-Comparator Threshold Voltage (CS)
mV
-10
20
Zero-Crossing-Comparator Threshold Voltage (CS)
7
10
Driver On-Resistance
A
0.5
Driver Sink/Source Current
μA
±1
Input Leakage Current
V
V
4.5
1.21
5.5
1.29
0.1
15
V
DD
Supply Range
REF Output Voltage
REF Line Regulation
REF Load Regulation
V
4
30
BATT Input Range
V
2.4
Input High Voltage
V
0.8
Input Low Voltage
μA
25
40
V
DD
Shutdown Current
1.25
%/V
mV
5
mA
0.5
2
V
DD
Quiescent Current
UNITS
MIN
TYP
MAX
PARAMETER
Output high
Output low
SUPPLY AND REFERENCE
DIGITAL INPUTS AND DRIVER OUTPUTS
CCFT CONTROLLER
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