Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Box (TB) |
| Part Status | Obsolete |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage - Output (Max) | 36 V |
| Current - Output | 100 mA |
| Tolerance | ±0.4% |
| Temperature Coefficient | 30ppm/°C Typical |
| Current - Cathode | 1 mA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
Обзор
Description
The TL431BILP is a precision programmable voltage reference from the TL431 series, commonly used in electronic circuits for voltage regulation and precision voltage reference applications. This component is a three-terminal adjustable shunt regulator with a typical output voltage range of 2.5V to 36V, achieved through external resistors configured as a voltage divider.
The "B" in TL431BILP often indicates a tighter tolerance version compared to standard models, offering enhanced precision and stability. Key features include a low-temperature coefficient, which ensures that its performance remains consistent across varying temperatures, and a sharp turn-on characteristic for reliable operation.
This device is popular in power supply units, battery chargers, and other applications requiring precise voltage control. Its adjustable nature makes it versatile for various design needs. Encased in a TO-92 or similar package, the TL431BILP is typically easy to integrate into both new and existing designs, making it a staple in the toolkit of electronic engineers focused on precision regulation.
The "B" in TL431BILP often indicates a tighter tolerance version compared to standard models, offering enhanced precision and stability. Key features include a low-temperature coefficient, which ensures that its performance remains consistent across varying temperatures, and a sharp turn-on characteristic for reliable operation.
This device is popular in power supply units, battery chargers, and other applications requiring precise voltage control. Its adjustable nature makes it versatile for various design needs. Encased in a TO-92 or similar package, the TL431BILP is typically easy to integrate into both new and existing designs, making it a staple in the toolkit of electronic engineers focused on precision regulation.
Equivalent
The TL431BILP is a voltage reference chip. Equivalent products include the LM431, KA431, AS431, AZ431, and TL431A. These components are generally interchangeable in circuits where a precise voltage reference is needed, and they share similar electrical characteristics and pin configurations. Always check the specific datasheets for compatibility in your application.
Features
The TL431BILP is a precision programmable voltage reference. Key features include:
1. Adjustable Shunt Regulator: Operates with a wide range of reference voltages from 2.5V to 36V, allowing for flexible application in various circuits.
2. Precision Voltage Reference: Offers a precise voltage reference with a tolerance of ±0.5%, ensuring accuracy in voltage regulation.
3. Temperature Stability: Provides excellent temperature stability with a typical temperature coefficient of 50ppm/°C, making it reliable over a broad temperature range.
4. Low Dynamic Output Impedance: Features a low dynamic output impedance of approximately 0.2Ω, which enhances load regulation.
5. Wide Operating Current Range: Can operate over a broad current range from 1mA to 100mA, suitable for different load requirements.
6. Package Options: Available in various package types, including TO-92, SOT-23, and SOIC, to accommodate different design needs.
7. High Reliability: Designed for use in environments requiring high reliability, such as industrial and consumer electronics.
These features make the TL431BILP suitable for use in power supplies, battery chargers, and other applications requiring precise voltage regulation.
1. Adjustable Shunt Regulator: Operates with a wide range of reference voltages from 2.5V to 36V, allowing for flexible application in various circuits.
2. Precision Voltage Reference: Offers a precise voltage reference with a tolerance of ±0.5%, ensuring accuracy in voltage regulation.
3. Temperature Stability: Provides excellent temperature stability with a typical temperature coefficient of 50ppm/°C, making it reliable over a broad temperature range.
4. Low Dynamic Output Impedance: Features a low dynamic output impedance of approximately 0.2Ω, which enhances load regulation.
5. Wide Operating Current Range: Can operate over a broad current range from 1mA to 100mA, suitable for different load requirements.
6. Package Options: Available in various package types, including TO-92, SOT-23, and SOIC, to accommodate different design needs.
7. High Reliability: Designed for use in environments requiring high reliability, such as industrial and consumer electronics.
These features make the TL431BILP suitable for use in power supplies, battery chargers, and other applications requiring precise voltage regulation.
Pinout
The TL431BILP is a three-pin adjustable precision shunt regulator. The pin functions are as follows:
1. Reference (Ref): This pin is used to set the reference voltage. By connecting a resistor network, you can adjust the output voltage from 2.5V to 36V. The reference pin is crucial for setting the desired output voltage level.
2. Anode (A): This pin is the anode terminal of the internal reference diode. It is connected to the negative side of the power supply or ground in typical configurations.
3. Cathode (K): This pin is the cathode terminal and serves as the output. The cathode pin acts as the control pin where the regulated output voltage is obtained.
The TL431BILP is widely used for voltage reference and regulation applications due to its stability, precision, and ease of use in various electronic circuits.
1. Reference (Ref): This pin is used to set the reference voltage. By connecting a resistor network, you can adjust the output voltage from 2.5V to 36V. The reference pin is crucial for setting the desired output voltage level.
2. Anode (A): This pin is the anode terminal of the internal reference diode. It is connected to the negative side of the power supply or ground in typical configurations.
3. Cathode (K): This pin is the cathode terminal and serves as the output. The cathode pin acts as the control pin where the regulated output voltage is obtained.
The TL431BILP is widely used for voltage reference and regulation applications due to its stability, precision, and ease of use in various electronic circuits.
Manufacturer
The TL431BILP is manufactured by ON Semiconductor, which is now known as onsemi. onsemi is a leading supplier in the semiconductor industry, providing a wide range of semiconductor solutions including power and signal management, logic, discrete, and custom devices. These components are used in various applications across different sectors such as automotive, industrial, consumer, communications, computing, and aerospace/defense. The company focuses on energy-efficient innovations, enabling customers to reduce global energy use.
Application
The TL431BILP is a programmable precision reference used in various applications, including power supply regulation, voltage monitoring, and adjustable voltage references. It is commonly utilized in switching power supplies to provide accurate reference voltage for error amplifiers, ensuring stable output voltage. Additionally, it is employed in battery chargers and voltage level shifters due to its precise voltage regulation capabilities. Its versatility makes it suitable for use in feedback circuits, precision current limiters, and comparator circuits. The TL431BILP is also found in industrial and consumer electronics where stable voltage reference is crucial for optimal performance.
Package
The TL431BILP is a programmable precision reference with a package type of TO-92, which is a through-hole, three-lead package commonly used for small signal transistors and similar components.
