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參數(shù)資料
| 型號(hào)： | ML4876 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | LCD Backlight Lamp Driver(LCD背光燈驅(qū)動(dòng)器) |
| 中文描述： | 液晶背光燈驅(qū)動(dòng)器（液晶背光燈驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大?。?/td> | 171K |
| 代理商： | ML4876 |
ML4876
3
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VDD = 5V ±5%, C
T
= 47pF, T
A
= Operating Temperature Range (Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT REGULATOR
Error Amplifier
Open Loop Gain
60
70
dB
Bias Point
Closed loop
0.18
0.2
0.22
V
Output High
I
LOAD
= 5μA
2.8
3.0
V
Output Low
I
LOAD
= 25μA
0.4
0.7
V
Bandwidth (–3dB)
1
MHz
Input Voltage Range
–0.3
0.2
VREF
V
Input Bias Current
50
100
nA
Current Limit Comparator
Current Threshold
450
500
550
mV
Input Bias Current
V
LILIM
= 0.1V
50
100
nA
Propagation Delay
(Note 2)
30
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
DELAY TIMER Delay Time
20
35
55
ns
FLYBACK REGULATOR
Error Amplifier
Open Loop Gain
60
70
dB
Offset Voltage
–15
15
mV
Output High
I
LOAD
= 5μA
2.8
3.0
V
Output Low
I
LOAD
= 25μA
0.4
0.7
V
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 HVDD ..................................................... 20V
Current into L RTD ...............................................±10mA
Transient Voltage on B ON ..........................................9V
Voltage on Any Other Pin ............... –0.3V to VDD +0.3V
Junction Temperature..............................................150°C
Storage Temperature Range ..................... –65°C to 150°C
Lead Temperature (Soldering 10 sec.) .....................260°C
Thermal Resistance (q
JA
) Plastic SSOP............... 100°C/W
OPERATING CONDITIONS
Temperature Range
ML4876C................................................... 0°C to 70°C
ML4876E ............................................... –20°C to 70°C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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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