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參數(shù)資料
| 型號： | ML4876 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | LCD Backlight Lamp Driver(LCD背光燈驅(qū)動器) |
| 中文描述： | 液晶背光燈驅(qū)動器（液晶背光燈驅(qū)動器） |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 171K |
| 代理商： | ML4876 |
ML4876
2
PIN CONFIGURATION
PIN DESCRIPTION
PIN
NAME
DESCRIPTION
1
FEA OUT
Output of flyback (contrast) error
amplifier
2
FEA–
Negative input of flyback
(contrast) error amplifier
3
FEA+
Positive input of flyback (contrast)
error amplifier
4
L ON
Logic input. A ”0“ on this pin
disables the lamp driver section
only
5
VREF
Voltage reference output
6
ON/OFF
Logic input. A ”0“ on this pin
disables the linear regulator
7
LEA–
Negative input for lamp error
amplifier
8
LEAOUT
Output of lamp error amplifier
9
C
T
Oscillator timing capacitor
10
L RTD
Input to resonant threshold detector
PIN
NAME
DESCRIPTION
11
B SYNC OUT
Output of MOSFET driver.
Connects to gate of synchronous
FET catch diode.
12
F GATE
Connects to gate of MOSFET in
primary side of contrast control
13
VDD
Output of linear regulator. Positive
power for IC.
14
L GATE1
Output of MOSFET driver.
Connection to gate of one side of
inverter FET drive pair
15
HVDD
Battery power input to linear
regulator
16
L GATE2
Output of MOSFET driver.
Connection to gate of one side of
inverter FET drive pair
17
GND
Ground
18
B ON
Connection to primary side of gate
pulse transformer
19
B OFF
Output of MOSFET driver.
Connection to gate of FET that
disables the input power.
20
F ILIM
Input to current limit comparator
F ILIM
B OFF
B ON
GND
L GATE2
HVDD
L GATE1
VDD
F GATE
B SYNC OUT
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
FEA OUT
FEA–
FEA+
L ON
VREF
ON/OFF
LEA–
LEA OUT
CT
L RTD
TOP VIEW
ML4876
20-Pin SSOP (R20)
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相關代理商/技術參數(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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