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參數資料
| 型號： | ML4876 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | LCD Backlight Lamp Driver(LCD背光燈驅動器) |
| 中文描述： | 液晶背光燈驅動器（液晶背光燈驅動器） |
| 文件頁數： | 4/9頁 |
| 文件大?。?/td> | 171K |
| 代理商： | ML4876 |
ML4876
4
ELECTRICAL CHARACTERISTICS
(Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
FLYBACK REGULATOR
(Continued)
Current Limit Comparator
Threshold
70
100
130
mV
Input Bias Current
V
LILIM
= 0.1V
50
100
nA
Propagation Delay
125
250
ns
Output Drivers
Output High - F Gate
VDD = 5V, I
LOAD
= 12mA
4.625
4.8
V
Output Low - F Gate
I
LOAD
= 50mA
0.2
0.375
V
Rise & Fall Time
C
LOAD
= 1000pF
20
50
ns
HIGH VOLTAGE INVERTER
Oscillator
Nominal Frequency
59
70
81
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
0.75
1.1
1.45
V
Hysteresis
250
500
750
mV
Lamp Out Detect
Threshold
16
18
20
V
Under Voltage Detector
Start Up Threshold
3.8
4.1
4.4
V
Hysteresis
150
300
450
mV
Logic Interface (On/Off, L ON)
VIH
2.6
V
VIL
0.5
V
Input Bias Current
V
I
= 3V
10
25
μA
Linear Regulator
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
mV
Drop Out Voltage
I
HVDD
= 5mA
125
275
mA
HVDD Input Voltage Range
5
18
V
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ML4876CR | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Fairchild Semiconductor Corporation 功能描述: |
| ML4876CR/301ER20 UP WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| ML4876CRX | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Fairchild Semiconductor Corporation 功能描述: |
| ML4876ER | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:LCD Backlight Lamp Driver with Contrast |
| ML4876ER-NL4C0092 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Fairchild Semiconductor Corporation 功能描述: |
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