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UA7912C
UA7912C is a negative voltage regulator IC with a fixed -12V output, commonly used in power supply circuits.
UA7912C
UA7912C is a negative voltage regulator IC with a fixed -12V output, commonly used in power supply circuits.
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製造商零件號 # : UA7912C
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包裝/封裝: TO-220
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製造商: Texas Instruments
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產品分類 : Linear Regulator ICs
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UA7912C 數據表
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詳細說明
The UA7912C is a fixed voltage linear regulator that provides a stable output voltage of -12 volts. It is part of the UA79 series of regulators produced by Texas Instruments. The UA7912C has a maximum input voltage of -35 volts and a maximum output current of 1 ampere. It has a dropout voltage of 2 volts, meaning that the input voltage must be at least 2 volts higher than the output voltage for the regulator to function properly.The regulator is housed in a TO-220 package, which is a standard through-hole package that is easy to use and suitable for a wide range of applications. It has three terminals - input, output, and ground - for easy connection to external circuitry.The UA7912C is designed to be reliable and robust, with built-in thermal shutdown and overcurrent protection to prevent damage to the device in case of a fault condition. It is suitable for use in a variety of applications, including power supplies, voltage regulators, and motor speed controllers.
主要特徵
- Fixed Negative Voltage Regulator
- Output Voltage: -12V
- Output Current up to 1A
- Internal Thermal Overload Protection
- Internal Short Circuit Protection
- Output Voltage Tolerance: ±2%
- Package: TO-220
- Operating Temperature Range: 0°C to 125°C
應用
- Power supply voltage regulators
- Audio equipment
- Industrial control systems
- Automotive systems
- Telecommunication equipment
- Instrumentation
- Medical equipment
- Consumer electronics
- Computer peripherals
- Printers and scanners
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Manufacturer | Texas Instruments | Product Category ! | IC Chips |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is UA7912C?
The UA7912C is a fixed voltage regulator integrated circuit designed to provide a constant output voltage of -12V. It is commonly used in various electronic circuits and power supply applications to regulate and stabilize the output voltage.
How Does UA7912C Work?
The UA7912C operates by taking an input voltage that may vary within a specified range and providing a stable, regulated -12V output voltage. It uses internal circuitry to achieve this regulation, ensuring that the output voltage remains constant even if the input voltage fluctuates or if there are changes in load conditions.
How Many Pins does UA7912C have and What are the Functions of the Pinout Configuration?
The UA7912C is housed in a TO-220 or TO-220FP package, which typically has three pins. The pinout configuration includes:
- Input Pin (VIN): This is the pin where the input voltage is connected.
- Common/Ground Pin (COM): This pin is connected to the ground reference of the circuit.
- Output Pin (VOUT): The regulated -12V output voltage is obtained from this pin.
What are the Pros and Cons of UA7912C?
Pros:
- Regulated Output: Provides a stable -12V output voltage, useful for powering various electronic components and circuits.
- Simple to Use: Requires minimal external components for voltage regulation.
- Widely Available: The UA7912C is a commonly used and readily available voltage regulator.
Cons:
- Heat Dissipation: May require a heat sink in high-power or high-current applications to dissipate heat effectively.
- Power Dissipation: The voltage drop across the regulator results in power dissipation as heat.
Are There Any Equivalents/Alternatives to UA7912C for Recommendation?
Equivalents/Alternatives to the UA7912C include the LM7912 from Texas Instruments and the L7912 from STMicroelectronics.
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