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| 型号： | MC78L05ACPRA |
| 厂商： | ON Semiconductor |
| 文件页数： | 8/14页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V .1A TO92 |
| 产品变化通告： | Product Discontinuation 26/Sept/2008 |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 30V |
| 电压 - 压降（标准）： | 1.7V @ 40mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 100mA |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-226-3、TO-92-3（TO-226AA）成形引线 |
| 供应商设备封装： | TO-92-3 |
| 包装： | 剪切带 (CT) |
| 其它名称： | MC78L05ACPRAOSCT |
MC78L00A Series, NCV78L00A
APPLICATIONS INFORMATION
Design Considerations
The MC78L00A 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 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 lengths, or if the output load capacitance is large. The
input bypass capacitor should be selected to provide good
high ? frequency characteristics to insure stable operation
under all load conditions. A 0.33 m 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 regulators input terminals. 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.
+20V
MC78L15A
+V O
0.33 m F
Input MC78L05A
R
Constant
Current to
Grounded Load
I O
The MC78L00 regulators can also be used as a current source
0.33 m F
0.33 m F
20V
6
MPS U55
7
-
MC1741
+
4
6.5
2
3
MPS A70
10k
10k
-V O
when connected as above. In order to minimize dissipation the
MC78L05C is chosen in this application. Resistor R determines
the current as follows:
Figure 10. + 15 V Tracking Voltage Regulator
I O =
5.0 V
R
+ I B
+V I
MC78LXXA
+V O
I IB = 3.8 mA over line and load changes
0.33 m F
0.1 m F
For example, a 100 mA current source would require R to be a
50 W , 1/2 W resistor and the output voltage compliance would be
the input voltage less 7 V.
-V I
0.33 m F
MC79LXXA
0.1 m F
-V O
Figure 9. Current Regulator
http://onsemi.com
8
Figure 11. Positive and Negative Regulator
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC78L05ACPRAG | 功能描述:线性稳压器 - 标准 5V 100mA Postive RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MC78L05ACPRAG-CUT TAPE | 制造商:ON 功能描述:MC78L00A Series 30 V 100 mA Through Hole Positive Voltage Regulator - TO-92 |
| MC78L05ACPRE | 功能描述:线性稳压器 - 标准 5V 100mA Postive RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MC78L05ACPREG | 功能描述:线性稳压器 - 标准 5V 100mA Postive RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MC78L05ACPRM | 功能描述:线性稳压器 - 标准 5V 100mA Postive RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
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