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參數(shù)資料
| 型號(hào)： | ML4877 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | LCD Desktop Backlight Lamp Driver(LCD桌面背光燈驅(qū)動(dòng)器) |
| 中文描述： | 液晶背光燈驅(qū)動(dòng)器桌面（液晶桌面背光燈驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 3/11頁(yè) |
| 文件大?。?/td> | 288K |
| 代理商： | ML4877 |
ML4877
3
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VDD = 5V ±5%, T
A
= Operating Temperature Range, C
T
= 47pF, R
T
= 82k
W
(Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT REGULATOR
ERROR AMPLIFIER
Open Loop Gain
60
70
dB
Output High
I
LOAD
= 5μA
2.8
3.0
V
Output Low
I
LOAD
= 25μA
0.4
0.7
V
Bandwidth (-3dB)
1
MHz
Common Mode Voltage Range
0
1.0
V
Input Bias Current
50
100
nA
Input Offset Voltage
-5
0
5
mv
Soft Start Charge Current
V
SSCAP
= 1V
550
750
950
nA
Soft Start Threshold (LEA OUT)
V
SSCAP
= 1V
2
2.5
V
CURRENT LIMIT COMPARATOR
Current Threshold
450
500
550
mV
Input Bias Current
V
ILIM
= 0.1V
50
100
nA
Propagation Delay
(Note 2)
150
250
ns
OUTPUT DRIVERS
Output High - B SYNC OUT, B OFF
VDD 5V, I
LOAD
= 12mA
4.625
4.8
V
Output Low - B SYNC OUT, B OFF
I
LOAD
12mA
0.2
0.375
V
Rise & Fall time - B SYNC OUT, B OFF
C
LOAD
=100pF
20
50
ns
Output High - B ON
VDD 5V, I
LOAD
= 12mA
4.625
4.8
V
Output Low - B ON
I
LOAD
50mA
0.2
0.375
V
Fall Time - B ON
C
LOAD
= 2400pF (Note 2)
45
80
ns
ONE SHOT
Pulse Width
100
150
200
ns
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which
the device could be permanently damaged. Absolute
maximum ratings are stress ratings only and functional
device operation is not implied.
Supply Current (I
CC
) ............................................... 75mA
Output Current, Source or Sink............................. 250mA
Voltage on Pins LEA+, AZR, SS CAP, R
T
, VREF,
L ILIM, LEA-, LEA OUT, C
T
, B SYNC OUT, VDD,
L GATE 1, ON/OFF, L GATE 2, PGND, GND,
B ON, B OFF ............................... –0.3V to VDD +0.3V
Voltage on HVIDD .................................................... 20V
Current into L RTD ...............................................±10mA
Junction Temperature.............................................. 150oC
Storage Temperature Range .......................-65oC to 150oC
Lead Temperature (Soldering 10 sec.) ..................... 260oC
Thermal Resistance (
q
JA
).................................... 100oC/W
OPERATING CONDITIONS
Temperature Range
ML4877C ................................................... 0oC to 70oC
ML4877E...............................................–20oC to 70oC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4877CR | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:LCD Desktop Backlight Lamp Driver |
| ML4877ER | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:LCD Desktop Backlight Lamp Driver |
| ML4880 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Portable PC/PCMCIA Power Controller |
| ML4880CS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Portable PC/PCMCIA Power Controller |
| ML4880ES | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Portable PC/PCMCIA Power Controller |
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