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參數(shù)資料
| 型號： | LM1577K-883 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| 中文描述： | SIMPLE SWITCHER系列- R的升壓穩(wěn)壓器 |
| 文件頁數(shù)： | 15/27頁 |
| 文件大小： | 870K |
| 代理商： | LM1577K-883 |
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Application Hints
(Continued)
C. Select an inductor from the table of Figure 10 which
cross-references the inductor codes to the part numbers
of three different manufacturers. Complete specifica-
tions for these inductors are available from the respec-
tive manufacturers. The inductors listed in this table
have the following characteristics:
AIE: ferrite, pot-core inductors; Benefits of this type are
low electro-magnetic interference (EMI), small physical
size, and very low power dissipation (core loss). Be
careful not to operate these inductors too far beyond
their maximum ratings for E
T and peak current, as this
will saturate the core.
Pulse:powdered iron, toroid core inductors; Benefits are
low EMI and ability to withstand E
T and peak current
above rated value better than ferrite cores.
Renco: ferrite, bobbin-core inductors; Benefits are low
cost and best ability to withstand E
T and peak current
above rated value. Be aware that these inductors gener-
ate more EMI than the other types, and this may inter-
fere with signals sensitive to noise.
DS011468-12
These charts assume that the inductor ripple current inductor is approximately 20% to 30% of the average inductor current (when the regulator is under
Note:
FIGURE 9. LM1577-ADJ/LM2577-ADJ Inductor Selection Graph
www.national.com
15
相關PDF資料 |
PDF描述 |
|---|---|
| LM1577KADJ | SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| LM1771SMM | Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation |
| LM1771 | Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation |
| LM1771_0608 | Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation |
| LM1771SMMX | Low-Voltage Synchronous Buck Controller with Precision Enable and No External Compensation |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM1577KADJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER-R Step-Up Voltage Regulator |
| LM1577K-ADJ/883 | 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Up 3.5V to 40V 5-Pin(4+Tab) TO-3 Tray |
| LM1578 | 制造商:Texas Instruments 功能描述: |
| LM1578A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Switching Regulator |
| LM1578AH/883 | 制造商:Rochester Electronics LLC 功能描述: |
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