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參數(shù)資料
| 型號： | AAT3119IJS-5.0-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | High Efficiency 2X Charge Pump |
| 中文描述： | 高效率2倍充電泵 |
| 文件頁數(shù)： | 15/18頁 |
| 文件大?。?/td> | 529K |
| 代理商： | AAT3119IJS-5.0-T1 |
AAT3119
High Efficiency 2X Charge Pump
3119.2007.02.1.2
15
Figure 3: Flash LED Driver with Gated Flash Application.
AAT3119
IN
GND
EN
OUT
4.5V
C
OUT
1
F
C
IN
1
μ
F
R
L
R
F
1
F
C
FLY
V
IN
Enable
Flash Enable
Flash LED
Layout Considerations
For the AAT3119, the high charge pump switching
frequencies and large peak transient currents
require careful printed circuit board layout. As a
general rule for charge pump boost converters, the
three external capacitors should be located as
closely as possible to the device package with min-
imum length trace connections. Maximize ground
plane around the AAT3119 charge pump and make
sure all external capacitor are connected to the
immediate power ground plane. Alocal component
side ground plane is recommended. If this is not
possible due to layout area limitations, assure
good ground connections by the use of large or
multiple printed circuit board vias.
Refer to the basic AAT3119 evaluation board lay-
out shown in Figure 4 and the evaluation board
schematic shown in Figure 5 for an example of the
recommended charge pump layout design.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AAT3120 | 3-Channel Charge Pump For White LED Applications |
| AAT3120ITP-T1 | 3-Channel Charge Pump For White LED Applications |
| AAT3123A | High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications |
| AAT3123AITP-20-T1 | High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications |
| AAT3129 | High Efficiency 1X/1.5X/2X Charge Pump for RGB Color LED Applications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT3120 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:3-Channel Charge Pump For White LED Applications |
| AAT3120ITP-T1 | 制造商:Skyworks Solutions Inc 功能描述:LED DRIVER IC |
| AAT3122 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications |
| AAT3122_05 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications |
| AAT3122ITP-T1 | 制造商:Skyworks Solutions Inc 功能描述:1.5X, 1X WH LED CHPMP, TSOPJW-12 TR |
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