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參數(shù)資料
| 型號： | AAT3157 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications |
| 中文描述： | 高效率1x/1.5x/2x電荷泵白光LED應(yīng)用 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 302K |
| 代理商： | AAT3157 |
Typical Characteristics
C
IN
= C
OUT
= C
1
= C
2
= 1.0μF; T
A
= 25°C, V
IN
= 3.6V, unless otherwise noted.
Diode Current vs. Temperature
(20mA/ch)
Temperature (
°
C)
D
18.0
18.5
19.0
19.5
20.0
20.5
21.0
21.5
22.0
-40
-25
-10
5
20
35
50
65
80
I
D3
I
D2
I
D1
Turn-Off to 1.5X Mode
(V
IN
= 3.5V; 20mA/ch Load)
Time (100μs/div)
EN/SET
(2V/div)
V
LED
(1V/div)
I
IN
(100mA/div)
Turn-On to 2X Mode
(V
IN
= 2.8V; 20mA/ch Load)
Time (100μs/div)
EN/SET
(2V/div)
V
OUT
(2V/div)
V
SINK
(2V/div)
I
IN
(200mA/div)
Turn-On to 1.5X Mode
(V
IN
= 3.5V; 20mA/ch Load)
Time (100μs/div)
EN/SET
(2V/div)
V
OUT
(2V/div)
I
IN
(100mA/div)
V
SINK
(2V/div)
Turn-On to 1X Mode
(V
IN
= 4.2V; 20mA/ch Load)
Time (100
μ
s/div)
EN/SET
(2V/div)
V
OUT
(2V/div)
I
IN
(100mA/div)
V
SINK
(2V/div)
Efficiency vs. Supply Voltage
Supply Voltage (V)
E
30
40
50
60
70
80
90
100
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
4.3
5mA/ch
V
F
= 2.7V
20mA/ch
V
F
= 3.4V
10mA/ch
V
F
= 3.1V
AAT3157
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
3157.2006.05.1.2
5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT3157ITP-T1 | 制造商:Skyworks Solutions Inc 功能描述:IC LED DRVR BCKLGHT FLASH 12TSOP 制造商:Skyworks Solutions Inc 功能描述:LED DRIVER IC |
| AAT3158 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications |
| AAT3158ITP-T1 | 制造商:Skyworks Solutions Inc 功能描述:LED DRIVER IC |
| AAT3159 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications |
| AAT3159ITO-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications |
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