規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V |
| Voltage - Output (Max) | 36 V |
| Current - Output | 100 mA |
| Tolerance | ±2.2% |
| Current - Cathode | 1 mA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
概述
Description
The TL431ILPR is a precision programmable voltage reference component commonly used in electronic circuits for voltage regulation and control. It is part of the TL431 series, which provides a stable reference voltage over a wide range of input voltages and temperatures. The component is often used in power supply circuits, battery chargers, and other applications requiring precise voltage regulation.
Key features include a 2.5V reference voltage, low temperature coefficient, and the ability to adjust the output voltage with external resistors. The TL431ILPR operates over a range of 2.5V to 36V, making it versatile for various applications. It is housed in a small, leaded package suitable for through-hole or surface mounting.
The device is highly reliable and cost-effective, featuring a typical voltage tolerance of 0.5% to 1%. It also offers good line and load regulation, making it an essential component in maintaining the stability and efficiency of electronic systems. The TL431ILPR is widely used due to its flexibility, accuracy, and ease of integration into circuits.
Key features include a 2.5V reference voltage, low temperature coefficient, and the ability to adjust the output voltage with external resistors. The TL431ILPR operates over a range of 2.5V to 36V, making it versatile for various applications. It is housed in a small, leaded package suitable for through-hole or surface mounting.
The device is highly reliable and cost-effective, featuring a typical voltage tolerance of 0.5% to 1%. It also offers good line and load regulation, making it an essential component in maintaining the stability and efficiency of electronic systems. The TL431ILPR is widely used due to its flexibility, accuracy, and ease of integration into circuits.
Equivalent
The TL431ILPR is a programmable voltage reference. Equivalent products include the LM431, KA431, AZ431, and REF431. These components are generally used interchangeably in applications requiring a shunt regulator. Always verify pin configuration and electrical characteristics to ensure compatibility with your application.
Features
The TL431ILPR is a precision programmable reference voltage device. Key features include:
1. Adjustable Output Voltage: It offers an output voltage that is adjustable from 2.5V to 36V, enabling flexible application uses.
2. Precision: The device provides a high precision output with a typical tolerance of ±2%, ensuring reliable performance in voltage regulation.
3. Operating Current: It operates over a wide current range of 1 mA to 100 mA, making it suitable for various load conditions.
4. Temperature Stability: The TL431ILPR exhibits good temperature stability, which is critical for consistent performance across different thermal environments.
5. Low Temperature Coefficient: It features a low temperature coefficient, reducing voltage variation over temperature changes.
6. Package Options: Available in various package options which enhance design flexibility and integration into different circuit boards.
7. Applications: Commonly used in power supplies, voltage monitoring, and overvoltage protection circuits due to its versatility and reliability.
These features make the TL431ILPR a popular choice for precision voltage reference applications in electronic devices.
1. Adjustable Output Voltage: It offers an output voltage that is adjustable from 2.5V to 36V, enabling flexible application uses.
2. Precision: The device provides a high precision output with a typical tolerance of ±2%, ensuring reliable performance in voltage regulation.
3. Operating Current: It operates over a wide current range of 1 mA to 100 mA, making it suitable for various load conditions.
4. Temperature Stability: The TL431ILPR exhibits good temperature stability, which is critical for consistent performance across different thermal environments.
5. Low Temperature Coefficient: It features a low temperature coefficient, reducing voltage variation over temperature changes.
6. Package Options: Available in various package options which enhance design flexibility and integration into different circuit boards.
7. Applications: Commonly used in power supplies, voltage monitoring, and overvoltage protection circuits due to its versatility and reliability.
These features make the TL431ILPR a popular choice for precision voltage reference applications in electronic devices.
Pinout
The TL431ILPR is a programmable precision shunt regulator. It typically comes in a 3-pin package, such as the TO-92, SOT-23, or similar small-outline packages. The pins are:
1. Reference (Ref): This pin is used to set the reference voltage and is the input for the feedback loop.
2. Anode (A): This pin acts as the ground or negative side of the reference voltage.
3. Cathode (K): This pin is connected to the output and functions as the positive side of the reference voltage. It is where the regulated voltage is maintained.
The TL431 can be used to maintain a stable reference voltage or as a voltage regulator in various electronic circuits. Its output voltage can be adjusted from 2.5V to 36V by connecting external resistors to the reference pin. This makes it versatile for use in power supply and voltage regulation applications.
1. Reference (Ref): This pin is used to set the reference voltage and is the input for the feedback loop.
2. Anode (A): This pin acts as the ground or negative side of the reference voltage.
3. Cathode (K): This pin is connected to the output and functions as the positive side of the reference voltage. It is where the regulated voltage is maintained.
The TL431 can be used to maintain a stable reference voltage or as a voltage regulator in various electronic circuits. Its output voltage can be adjusted from 2.5V to 36V by connecting external resistors to the reference pin. This makes it versatile for use in power supply and voltage regulation applications.
Manufacturer
The TL431ILPR is manufactured by Texas Instruments Incorporated. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and integrated circuits. It is known for its wide range of products used in various applications, including consumer electronics, automotive, industrial, and communications equipment.
TI is a prominent player in the semiconductor industry and is recognized for its innovation in the design and production of analog chips and embedded processors. The company focuses on developing technologies that improve performance and efficiency, supporting a broad array of electronic systems that enhance everyday life.
In addition to its semiconductor operations, Texas Instruments invests in research and development to continually advance its product offerings and maintain its competitive edge in the technology sector. The company is headquartered in Dallas, Texas, and operates globally, serving a diverse customer base across multiple industries.
TI is a prominent player in the semiconductor industry and is recognized for its innovation in the design and production of analog chips and embedded processors. The company focuses on developing technologies that improve performance and efficiency, supporting a broad array of electronic systems that enhance everyday life.
In addition to its semiconductor operations, Texas Instruments invests in research and development to continually advance its product offerings and maintain its competitive edge in the technology sector. The company is headquartered in Dallas, Texas, and operates globally, serving a diverse customer base across multiple industries.
Application
The TL431ILPR is a precision programmable voltage reference commonly used in various applications. Its primary areas include:
1. Voltage Regulation: Serves as a precise voltage reference in linear regulators and switching power supplies.
2. Comparator: Used in comparator circuits for overvoltage or undervoltage detection.
3. Analog to Digital Conversion: Provides stable reference voltage for ADCs in microcontrollers and other digital systems.
4. Battery Chargers: Ensures accurate voltage monitoring in battery charging systems.
5. Power Supplies: Utilized in feedback loops for improved output voltage regulation.
6. LED Drivers: Ensures consistent voltage levels in LED driving circuits.
These applications benefit from its adjustable output voltage and stable temperature performance.
1. Voltage Regulation: Serves as a precise voltage reference in linear regulators and switching power supplies.
2. Comparator: Used in comparator circuits for overvoltage or undervoltage detection.
3. Analog to Digital Conversion: Provides stable reference voltage for ADCs in microcontrollers and other digital systems.
4. Battery Chargers: Ensures accurate voltage monitoring in battery charging systems.
5. Power Supplies: Utilized in feedback loops for improved output voltage regulation.
6. LED Drivers: Ensures consistent voltage levels in LED driving circuits.
These applications benefit from its adjustable output voltage and stable temperature performance.
Package
The TL431ILPR is a precision programmable voltage reference, and it typically comes in a SOT-89 package. The SOT-89 package is a small-outline transistor package that provides a compact footprint suitable for surface-mount applications.
