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參數(shù)資料
| 型號(hào)： | LM26480QSQ-CF/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.4 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, QCC24 |
| 封裝： | 4 X 4 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, LLP-24 |
| 文件頁(yè)數(shù)： | 19/30頁(yè) |
| 文件大?。?/td> | 2455K |
| 代理商： | LM26480QSQ-CF/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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| LM26480QSQX-8D/NOPB | 制造商:Texas Instruments 功能描述:Externally Programmable Dual High-Curren |
| LM26480QSQX-AA/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LM26480QSQX-CF/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LM26480SQ-AA | 制造商:Texas Instruments 功能描述:DC/ DC STEP DOWN, DUAL LINEAR REG, IC |
| LM26480SQ-AA/NOPB | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) DUAL HI-CRNT STEP- DOWN DC/DC RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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