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参数资料
| 型号： | LM26480SQX-BF/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 2.4 A SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, QCC24 |
| 封装： | 4 X 4 MM, 0.80 MM HEIGHT, LLP-24 |
| 文件页数： | 19/30页 |
| 文件大小： | 2447K |
| 代理商： | LM26480SQX-BF/NOPB |
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Analog Power Signal Routing
All power inputs should be tied to the main VDD source (i.e.
battery), unless the user wishes to power it from another
source. (i.e. powering LDO from Buck output).
The analog VDD inputs power the internal bias and error am-
plifiers, so they should be tied to the main VDD. The analog
VDD inputs must have an input voltage between 2.8 and 5.5
V, as specified in the Electrical Characteristics section of this
datasheet.
The other Vins (VINLDO1, VINLDO2, VIN1, VIN2) can actu-
ally have inputs lower than 2.8V, as long as it's higher than
the programmed output (+0.3V, to be safe). The analog and
digital grounds should be tied together outside of the chip to
reduce noise coupling.
For more information on board layout techniques, refer to Ap-
plication Note AN–1187 “Leadless Lead frame Package
(LLP)” on http://www.national.com This application note also
discusses package handling, solder stencil and the assembly
process.
www.national.com
26
LM26480
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| LM2661MM/NOPB | SWITCHED CAPACITOR CONVERTER, 80 kHz SWITCHING FREQ-MAX, PDSO8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM26484 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Power Management Unit |
| LM26484SQ | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Power Management Unit |
| LM26484SQ/NOPB | 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| LM26484SQE | 制造商:Texas Instruments 功能描述:Power Management Unit 24-Pin LLP EP T/R 制造商:Texas Instruments 功能描述:PMU MULTI FUNCTN PRINTERS 24LLP |
| LM26484SQE/NOPB | 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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