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參數(shù)資料
| 型號(hào)： | AAT3153ISN-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 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(yè)數(shù)： | 12/14頁(yè) |
| 文件大小： | 248K |
| 代理商： | AAT3153ISN-T1 |
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trolytic counterparts. A ceramic capacitor has very
low ESR, is lowest cost, has a smaller PCB foot-
print, and is non-polarized. Low ESR ceramic
capacitors help to maximize charge pump transient
response. Since ceramic capacitors are non-polar-
ized, they are not prone to incorrect connection
damage.
Equivalent Series Resistance
ESR is an important characteristic to consider
when selecting a capacitor. ESR is a resistance
internal to a capacitor that is caused by the leads,
internal connections, size or area, material compo-
sition, and ambient temperature. Capacitor ESR is
typically measured in milliohms for ceramic capac-
itors and can range to more than several ohms for
tantalum or aluminum electrolytic capacitors.
Ceramic Capacitor Materials
Ceramic capacitors less than 0.1μF are typically
made from NPO or C0G materials. NPO and C0G
materials generally have tight tolerance and are
very stable over temperature. Larger capacitor val-
ues are usually composed of X7R, X5R, Z5U, or
Y5V dielectric materials. Large ceramic capacitors
(i.e., greater than 2.2μF) are often available in low-
cost Y5V and Z5U dielectrics, but capacitors
greater than 1μF are not typically required for
AAT3153 applications.
Capacitor area is another contributor to ESR.
Capacitors that are physically large will have a lower
ESR when compared to an equivalent material
smaller capacitor. These larger devices can improve
circuit transient response when compared to an
equal value capacitor in a smaller package size.
AAT3153
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
12
3153.2005.12.0.93
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| AAT3158 | High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT3155 | 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 |
| AAT3155ITP-T1 | 制造商:Skyworks Solutions Inc 功能描述:1X,1.5X,2X WLED CHPMP 12TSOPJW TR 制造商:Skyworks Solutions Inc 功能描述:LED DRIVER IC |
| AAT3156 | 制造商:AAT 制造商全稱:AAT 功能描述:High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications |
| AAT3156_05 | 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 |
| AAT3156ISN-T1 | 制造商:Skyworks Solutions Inc 功能描述:1X,1.5X,2X WLED CHPMP 16QFN TR 制造商:Skyworks Solutions Inc 功能描述:LED DRIVER IC |
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