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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） |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 288K |
| 代理商： | ML4877 |
ML4877
4
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DELAY TIMER
Delay Time
20
35
55
ns
HIGH VOLTAGE INVERTER
Oscillator
Nominal Frequency
68
80
92
kHz
Discharge Current
V
CT
= 2V
500
700
900
μA
Peak Voltage
2.3
2.5
2.7
V
Valley Voltage
0.8
1
1.2
V
Output Drivers
Output High - L GATE 1, 2
VDD = 5V, I
LOAD
12mA
4.625
4.8
V
Output Low - L GATE 1, 2
I
LOAD
= 50mA
0.2
0.375
V
Rise & Fall Time - L GATE 1, 2
C
LOAD
=1000pF
20
50
ns
Resonant Threshold Detector
Threshold
0.45
0.8
1.15
V
Hysteresis
0.15
03
0.45
mV
Lamp Out Detect
Threshold
-2
VDD
2
%
Latch Inhibit Threshold (SSCAP)
LRTD > VDD + 0.1V
2.5
V
Under Voltage Detector
Start Up Threshold
3.8
4.1
4.4
V
Hysteresis
150
300
450
mV
Logic Interface
(ON/OFF)
V
IH
2.5
V
V
IL
0.5
V
Input Bias Current
ON/OFF = 3V
10
25
μA
Linear Regulator
Aux Zener Reference Voltage (AZR)
I
AZR
= 10μA
12.3
13.5
14.7
V
Regulator Voltage (VDD)
HVDD = 12V
4.75
5.0
5.35
V
Regulator Source Current
External to device
10
mA
Drop Out Voltage
I
HVDD
= 1mA
30
90
mA
Drop Out Voltage
l
HVDD
= 5mA
125
275
mA
HVDD Input Voltage Range
5
18
V
ELECTRICAL CHARACTERISTICS
(Continued)
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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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