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參數(shù)資料
| 型號： | LM78LXX |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 3-Terminal Positive Regulators |
| 中文描述： | 三端穩(wěn)壓器正 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大小： | 685K |
| 代理商： | LM78LXX |
Typical Applications
Fixed Output Regulator
00774408
*Required if the regulator is located more than 3" from the power supply filter.
**See (Note 4) in the electrical characteristics table.
Adjustable Output Regulator
00774409
V
OUT
= 5V + (5V/R1 + I
Q
) R2
5V/R1
>
3 I
Q
, load regulation (L
r
)
≈
[(R1 + R2)/R1] (L
r
of LM78L05)
Current Regulator
00774410
I
OUT
= (V
OUT
/R1) + I
Q
>
I
Q
= 1.5mA over line and load changes
5V, 500mA Regulator with Short Circuit Protection
00774411
*Solid tantalum.
**Heat sink Q1.
***Optional: Improves ripple rejection and transient response.
Load Regulation: 0.6% 0
≤
I
L
≤
250mA pulsed with t
ON
= 50ms.
L
www.national.com
9
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM78LXX_10 | 制造商:HTC 制造商全稱:HTC Korea TAEJIN Technology Co. 功能描述:3-TERMINAL 0.1A POSITIVE VOLTAGE REGULATOR |
| LM78LXX_12 | 制造商:HTC 制造商全稱:HTC Korea TAEJIN Technology Co. 功能描述:3-TERMINAL 0.1A POSITIVE VOLTAGE REGULATOR |
| LM78LXXA | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Terminal 0.1A Positive Voltage Regulator |
| LM78LXXA3 | 制造商:CYSTEKEC 制造商全稱:Cystech Electonics Corp. 功能描述:Low Current Positive Voltage Regulator |
| LM78LXXM3 | 制造商:CYSTEKEC 制造商全稱:Cystech Electonics Corp. 功能描述:Low Current Positive Voltage Regulator |
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