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參數(shù)資料
| 型號(hào)： | MC79L12ABPRA |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 100 mA Negative Voltage Regulators |
| 中文描述： | 12 V FIXED NEGATIVE REGULATOR, PBCY3 |
| 封裝： | TO-92, TO-226, 3 PIN |
| 文件頁(yè)數(shù)： | 5/11頁(yè) |
| 文件大?。?/td> | 115K |
| 代理商： | MC79L12ABPRA |
MC79L00, MC79L00A Series
http://onsemi.com
5
APPLICATIONS INFORMATION
Design Considerations
The MC79L00, A Series of fixed voltage regulators are
designed with Thermal Overload Protections 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.
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 length, or if the output load capacitance is large. An
input bypass capacitor should be selected to provide good
highfrequency characteristics to insure stable operation
under all load conditions. A 0.33 F 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 regulator’s 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. Bypassing the output is also
recommended.
Figure 2. Positive and Negative Regulator
Figure 3. Standard Application
+V
in
+V
O
0.1 F
V
in
V
O
0.33 F
MC78LXX
MC79LXX
0.1 F
0.33 F
Input
Output
C
O
**
0.1 F
C
I
*
0.33 F
MC79LXX
A common ground is required between the input and the output
voltages. The input voltage must remain typically 2.0 V above
the output voltage even during the low point on the ripple voltage.
* C
I
is required if regulator is located an appreciable
*
distance from the power supply filter
** C
O
improves stability and transient response.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC79L12ABPRAG | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 12V 100mA Negative 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 |
| MC79L12AC | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:100 mA Negative Voltage Regulators |
| MC79L12ACD | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 12V Fixed Neg 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 |
| MC79L12ACDE4 | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 12V 100mA Fixed Neg Voltage Regulator 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 |
| MC79L12ACDG | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 12V 100mA Negative 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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