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參數(shù)資料
| 型號： | TQFN34-20 |
| 廠商： | ANADIGICS, Inc. |
| 英文描述： | Four-Channel Backlight Driver with Dual LDOs |
| 中文描述： | 四通道雙LDO的背光驅(qū)動器 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 392K |
| 代理商： | TQFN34-20 |
Typical Characteristics
LDOA/LDOB Load Regulation
Load Current (mA)
O
-1.0
-0.5
0.0
0.5
1.0
0.1
1
10
100
1000
LDOA
LDOB
LDOA/LDOB Line Regulation
Input Voltage (V)
O
-1.000
-0.500
0.000
0.500
1.000
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
LDOA
LDOB
Turn On to 2X Mode Backlight
(20mA/Channel; Address 0, Data 1; V
IN
= 3.2V)
Time (200μs/div)
V
OUT
(2V/div)
V
EN/SET
(2V/div)
V
DX
(500mV/div)
I
IN
(200mA/div)
Turn Off from 1.5X Mode Backlight
(20mA/Channel; Address 0, Data 1; V
IN
= 3.6V)
Time (100μs/div)
V
OUT
(2V/div)
V
EN/SET
(2V/div)
I
LED
(20mA/div)
Turn On to 1X Mode Backlight
(20mA/Channel; Address 0, Data 1; V
IN
= 4.2V)
Time (500ns/div)
V
OUT
(2V/div)
V
EN/SET
(2V/div)
V
DX
(500mV/div)
I
IN
(100mA/div)
Turn On to 1.5X Mode Backlight
(20mA/Channel; Address 0, Data 1; V
IN
= 3.5V)
Time (200μs/div)
V
OUT
(2V/div)
V
EN/SET
(2V/div)
V
DX
(500mV/div)
I
IN
(200mA/div)
AAT2847
Four-Channel Backlight Driver with Dual LDOs
8
2847.2007.09.1.0
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