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參數(shù)資料
| 型號： | LM3501TL-21 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Synchronous Step-up DC/DC Converter for White LED Applications |
| 中文描述： | 0.8 A SWITCHING REGULATOR, 1150 kHz SWITCHING FREQ-MAX, PBGA8 |
| 封裝： | MICRO, SMD-8 |
| 文件頁數(shù)： | 15/18頁 |
| 文件大?。?/td> | 1039K |
| 代理商： | LM3501TL-21 |
Application Information
(Continued)
to minimize copper trace connections that can inject noise
into the system. The ground connection for the current set-
ting resistor should connect directly to the GND pin. The
AGND pin should connect directly to the GND pin. Not
connecting the AGND pin directly, as close to the chip as
possible, may affect the performance of the LM3501 and
limit its current driving capability. Trace connections made to
the inductor should be minimized to reduce power dissipa-
tion, EMI radiation and increase overall efficiency. It is good
practice to keep the V
routing away from sensitive pins
such as the FB pin. Failure to do so may inject noise into the
FB pin and affect the regulation of the device. See
Figure 3
and
Figure 4
for an example of a good layout as used for the
LM3501 evaluation board.
20065384
FIGURE 3. Evaluation Board Layout (2X Magnification)
Top Layer
20065385
FIGURE 4. Evaluation Board Layout (2X Magnification)
Bottom Layer (as viewed from the top)
L
www.national.com
15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM3501TLX-16 | PUBLICATIONS, BOOKS RoHS Compliant: NA |
| LM3519 | High Frequency Boost White LED Driver with High-Speed PWM Brightness Control |
| LM3519MK-20 | High Frequency Boost White LED Driver with High-Speed PWM Brightness Control |
| LM3519MKX-20 | High Frequency Boost White LED Driver with High-Speed PWM Brightness Control |
| LM3524DM | Regulating Pulse Width Modulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3501TL-21/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| LM3501TLX-16 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Synchronous Step-up DC/DC Converter for White LED Applications |
| LM3501TLX-16/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| LM3501TLX-21 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Synchronous Step-up DC/DC Converter for White LED Applications |
| LM3501TLX-21/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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