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): 6/20頁
文件大?。?/td> 392K
代理商: TQFN34-20
Typical Characteristics
Logic High Threshold Voltage
vs. Input Voltage
Input Voltage (V)
V
I
,
I
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
-40°C
25°C
85°C
Logic Low Threshold Voltage
vs. Input Voltage
Input Voltage (V)
V
I
,
I
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
-40°C
25°C
85°C
EN/SET Latch Timeout vs. Input Voltage
Input Voltage (V)
T
L
50
100
150
200
250
300
350
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
-40°C
85°C
25°C
EN/SET Off Timeout vs. Input Voltage
Input Voltage (V)
T
O
50
100
150
200
250
300
350
400
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
-40°C
85°C
25°C
Backlight Efficiency vs. Input Voltage
Input Voltage (V)
E
30
40
50
60
70
80
90
100
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
20mA/Channel
1mA/Channel
14.5mA/Channel
Backlight Current Matching vs. Temperature
(I
OUT
= 20mA/Channel; V
IN
= 4.2V)
Temperature (°C)
L
18.5
19
19.5
20
20.5
21
-40
-15
10
35
60
85
AAT2847
Four-Channel Backlight Driver with Dual LDOs
6
2847.2007.09.1.0
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