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TL431ACZ
+BOMIC VREF SHUNT ADJ 1% TO92-3
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Manufactureronsemi
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Mfr. Part #TL431ACZ
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Package TO-226-2,TO-92-2(TO-226AC)
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In Stock4296
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Specifications
| Attribute | Value |
| Package | Bulk |
| ProductStatus | Obsolete |
| ReferenceType | Shunt |
| OutputType | Adjustable |
| Voltage-Output(Min/Fixed) | 2.495V |
| Voltage-Output(Max) | 36 V |
| Current-Output | 100 mA |
| Tolerance | ±1% |
| TemperatureCoefficient | 50ppm/°C Typical |
| Current-Cathode | 1 mA |
| OperatingTemperature | -25°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | TO-226-3, TO-92-3 (TO-226AA) |
Overview
Description
The TL431ACZ is a precision programmable voltage reference, commonly used in electronic circuits for voltage regulation and control. It functions as a shunt regulator, allowing it to maintain a constant output voltage by varying its resistance based on the input voltage and load conditions. The device is designed to provide a stable reference voltage of 2.5V, but it can be adjusted to any value between 2.5V and 36V using external resistors.
Key features of the TL431ACZ include a wide operating current range (typically from 1mA to 100mA), low output noise, and good temperature stability, making it suitable for a variety of applications such as power supplies, battery chargers, and adjustable regulators. The TL431ACZ is available in various package options, including TO-92 and SOT-23, providing flexibility in terms of size and thermal performance. Its precision, adjustability, and reliability make it a popular choice in both consumer electronics and industrial applications.
Key features of the TL431ACZ include a wide operating current range (typically from 1mA to 100mA), low output noise, and good temperature stability, making it suitable for a variety of applications such as power supplies, battery chargers, and adjustable regulators. The TL431ACZ is available in various package options, including TO-92 and SOT-23, providing flexibility in terms of size and thermal performance. Its precision, adjustability, and reliability make it a popular choice in both consumer electronics and industrial applications.
Equivalent
The TL431ACZ is a precision programmable voltage reference. Equivalent products include:
1. LM431
2. KA431
3. AZ431
4. LMV431
5. TLVH431
6. AS431
7. TS431
8. NCP431
These alternatives offer similar functionality and can be used in place of the TL431ACZ in various applications, though specific characteristics like tolerance and temperature range should be checked for compatibility.
1. LM431
2. KA431
3. AZ431
4. LMV431
5. TLVH431
6. AS431
7. TS431
8. NCP431
These alternatives offer similar functionality and can be used in place of the TL431ACZ in various applications, though specific characteristics like tolerance and temperature range should be checked for compatibility.
Features
The TL431ACZ is a precision programmable voltage reference with key features including:
1. Adjustability: It offers an adjustable output voltage, typically from 2.5V to 36V, allowing flexibility in various applications.
2. Precision: It provides tight voltage tolerance with an initial accuracy of ±0.5%, ensuring reliable and stable performance.
3. Temperature Stability: The device exhibits excellent temperature coefficient, which enhances performance across a wide temperature range.
4. Low Output Impedance: Features low output impedance, typically around 0.2 ohms, making it suitable for use in shunt regulator and error amplifier applications.
5. Wide Operating Current Range: It can operate over a wide current range, typically from 1mA to 100mA.
6. Versatility: Suitable for use in power supplies, voltage monitoring, and adjustable voltage and current supplies.
7. Package Options: Available in various package options, such as TO-92, providing flexibility for different design requirements.
These features make the TL431ACZ a versatile component for precision voltage regulation in diverse electronic applications.
1. Adjustability: It offers an adjustable output voltage, typically from 2.5V to 36V, allowing flexibility in various applications.
2. Precision: It provides tight voltage tolerance with an initial accuracy of ±0.5%, ensuring reliable and stable performance.
3. Temperature Stability: The device exhibits excellent temperature coefficient, which enhances performance across a wide temperature range.
4. Low Output Impedance: Features low output impedance, typically around 0.2 ohms, making it suitable for use in shunt regulator and error amplifier applications.
5. Wide Operating Current Range: It can operate over a wide current range, typically from 1mA to 100mA.
6. Versatility: Suitable for use in power supplies, voltage monitoring, and adjustable voltage and current supplies.
7. Package Options: Available in various package options, such as TO-92, providing flexibility for different design requirements.
These features make the TL431ACZ a versatile component for precision voltage regulation in diverse electronic applications.
Pinout
The TL431ACZ is a three-terminal adjustable precision shunt regulator. It is commonly used in power supply and voltage reference applications. The TL431ACZ has a typical pin configuration as follows:
1. Reference (REF): This pin is used to connect resistors that determine the reference voltage and set the operating point of the device.
2. Cathode (K): This pin serves as the cathode of the internal reference diode and is typically connected to the negative side of the load.
3. Anode (A): This pin is the anode of the internal reference diode and is typically connected to the positive side of the load or ground, depending on the configuration.
The TL431ACZ can be adjusted to regulate voltages between 2.5V and 36V by adjusting the resistors connected to the REF pin. It is widely used for its precision, low temperature coefficient, and ability to provide stable voltage references in power management systems.
1. Reference (REF): This pin is used to connect resistors that determine the reference voltage and set the operating point of the device.
2. Cathode (K): This pin serves as the cathode of the internal reference diode and is typically connected to the negative side of the load.
3. Anode (A): This pin is the anode of the internal reference diode and is typically connected to the positive side of the load or ground, depending on the configuration.
The TL431ACZ can be adjusted to regulate voltages between 2.5V and 36V by adjusting the resistors connected to the REF pin. It is widely used for its precision, low temperature coefficient, and ability to provide stable voltage references in power management systems.
Manufacturer
The TL431ACZ is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide array of electronic components and integrated circuits. TI is well-known for its innovation in the semiconductor industry, providing products for various applications including automotive, industrial, personal electronics, communication equipment, and enterprise systems. The company is headquartered in Dallas, Texas, and is considered one of the largest and most influential semiconductor manufacturers worldwide.
Application
The TL431ACZ is a precision programmable voltage reference commonly used in various applications. These include:
1. Voltage Regulation: Acts as a reference voltage in linear regulators and switching power supplies.
2. Temperature Compensation: Used in temperature sensor circuits to provide a stable reference.
3. Voltage Monitoring: Monitors battery levels and provides under-voltage lockout in power management systems.
4. Shunt Regulator: Functions as a shunt regulator in current-limiting circuits.
5. Feedback Control: Utilized in feedback loops for precise control in power converters and LED drivers.
6. Overvoltage Protection: Protects circuits by clamping voltage levels within safe limits.
These features make the TL431ACZ versatile in consumer electronics, automotive, and industrial applications.
1. Voltage Regulation: Acts as a reference voltage in linear regulators and switching power supplies.
2. Temperature Compensation: Used in temperature sensor circuits to provide a stable reference.
3. Voltage Monitoring: Monitors battery levels and provides under-voltage lockout in power management systems.
4. Shunt Regulator: Functions as a shunt regulator in current-limiting circuits.
5. Feedback Control: Utilized in feedback loops for precise control in power converters and LED drivers.
6. Overvoltage Protection: Protects circuits by clamping voltage levels within safe limits.
These features make the TL431ACZ versatile in consumer electronics, automotive, and industrial applications.
Package
The TL431ACZ is typically available in a TO-92 package. The TO-92 package is a small, plastic, through-hole component package commonly used for transistors, voltage regulators, and other semiconductor devices.
