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| 型号： | MC79L05ACHX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 3/6页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO -5V .1A SOT-89 |
| 产品变化通告： | Lead Dimensions Change 19/April/2007 |
| 标准包装： | 4,000 |
| 稳压器拓扑结构： | 负，固定式 |
| 输出电压： | -5V |
| 输入电压： | 可下调至 -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： | 表面贴装 |
| 封装/外壳： | TO-243AA |
| 供应商设备封装： | SOT-89-3 |
| 包装： | 带卷 (TR) |
Typical Application
Design Considerations
The MC79L05A / LC79L05A 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 maxi-
mum current the circuit will pass. In many low-current applications, compensation capacitors are not required. How-
ever, 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 ensure stable operation under all load conditions. A 0.33 μ 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.
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.
LM78L05A
MC78L05A
LM79L05A
MC79L05A
Figure 2. Positive And Negative Regulator
I
MC79L05A
LM79L05A
Figure 3. Typical Application
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 input ripple voltage.
* C I is required if regulator is located an appreciable distance from power supply filter.
** C O improves stability and transient response.
? 2004 Fairchild Semiconductor Corporation
MC79L05A / LM79L05A Rev. 1.1.0
3
www.fairchildsemi.com
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相关代理商/技术参数 |
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| MC79L05ACLP | 功能描述:线性稳压器 - 标准 5V Fixed Neg 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 |
| MC79L05ACLPE3 | 功能描述:线性稳压器 - 标准 5V 100mA Fixed Neg Voltage Regulator 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 |
| MC79L05ACLPM | 功能描述:线性稳压器 - 标准 5V 100mA Fixed Neg Voltage Regulator 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 |
| MC79L05ACLPME3 | 功能描述:线性稳压器 - 标准 5V 100mA Fixed Neg Voltage Regulator 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 |
| MC79L05ACLPR | 功能描述:线性稳压器 - 标准 .1A 5V Neg V 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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