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參數(shù)資料
| 型號： | L78M08CDT |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| 中文描述： | 5.0放大器正電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 12/17頁 |
| 文件大?。?/td> | 1475K |
| 代理商： | L78M08CDT |
L78M00AB/AC SERIES
12/17
APPLICATIONS INFORMATION
DESIGN CONSIDERATIONS
The L78M00AB Series of fixed voltage regulators are designed with Thermal Overload Protection that
shuts down the circuit when subjected to an excessive power overload condition, Internal Short-Circuit
Protection that limits the maximum current the circuit will pass, and Output Transistor Safe-Area
Compensation that reduces the output short-circuit as the voltage across the pass transistor is increased.
In many low current applications, compensation capacitors are not required. However, it is recommended
that the regulator input be bypassed with a capacitor if the regulator is connected to the power supply filter
with long wire lengths, or if the output load capacitance is large. An input bypass capacitor should be
selected to provide good high-frequency characteristics to insure stable operation under all load
conditions. A 0.33μF or larger tantalum, mylar, or other capacitor having low internal impedance at high
frequencies should be chosen. The bypass capacitor should be mounted with the shortest possible leads
directly across the regulators input terminals. Normally good construction techniques should be used to
minimize ground loops and lead resistance drops since the regulator has no external sense lead.
Figure 13 :
Current Regulator
Figure 14 :
Adjustable Output Regulator
The addition of an operational amplifier allows adjustment to higher or intermediate values while retaining regulation characteristics. The min-
imum voltage obtainable with this arrangement is 2.0V greater than the regulator voltage.
1
I
O
=
+ I
d
V
O
, 7.0V to 20V
V
I
- V
O
≥
2.0V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L78M08CDT-1 | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| L78M08CP | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| L78M08CS | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| L78M08CV | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| L78M08CX | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L78M08CDT-1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:POSITIVE VOLTAGE REGULATORS |
| L78M08CDT-TR | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 8.0V 0.5A Positive 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 |
| L78M08CP | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 8.0V 0.5A Positive 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 |
| L78M08CS | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:POSITIVE VOLTAGE REGULATORS |
| L78M08CV | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 8.0V 0.5A Positive 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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