사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| ReferenceType | Shunt |
| OutputType | Adjustable |
| Voltage-Output(Min/Fixed) | 1.24V |
| Voltage-Output(Max) | 16 V |
| Current-Output | 20 mA |
| Tolerance | ±1% |
| Current-Cathode | 80 µA |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-5 Thin, TSOT-23-5 |
개요
Description
The TLV431ASNT1G is a precision programmable shunt voltage reference from ON Semiconductor. It is widely used in applications requiring precise voltage regulation, such as power supplies, battery-operated devices, and adjustable voltage references. The device operates as a low-voltage adjustable zener diode, providing a stable reference voltage over a wide operating temperature range.
Key features include a typical output voltage tolerance of ±0.5%, adjustable output voltage from 2.5V to 36V, and a wide operating current range from 1 mA to 100 mA. The TLV431ASNT1G is designed for a broad temperature range, making it suitable for industrial and commercial applications. It is packaged in a small SOT-23, making it ideal for space-constrained applications.
The device offers good thermal stability, low output noise, and low temperature coefficient, ensuring reliable performance. It's commonly used for voltage monitoring, precision current sources, and as a reference for analog-to-digital or digital-to-analog converters. The TLV431ASNT1G is a versatile component for ensuring stable voltage in various electronic circuits.
Key features include a typical output voltage tolerance of ±0.5%, adjustable output voltage from 2.5V to 36V, and a wide operating current range from 1 mA to 100 mA. The TLV431ASNT1G is designed for a broad temperature range, making it suitable for industrial and commercial applications. It is packaged in a small SOT-23, making it ideal for space-constrained applications.
The device offers good thermal stability, low output noise, and low temperature coefficient, ensuring reliable performance. It's commonly used for voltage monitoring, precision current sources, and as a reference for analog-to-digital or digital-to-analog converters. The TLV431ASNT1G is a versatile component for ensuring stable voltage in various electronic circuits.
Equivalent
The TLV431ASNT1G is a programmable voltage reference. Equivalent products from other manufacturers include:
1. LMV431 from Texas Instruments
2. TLVH431 from Texas Instruments
3. NCP431 from ON Semiconductor
4. LM431 from Texas Instruments
5. KA431 from ON Semiconductor
6. AZ431 from Diodes Incorporated
These components share similar functionality and can often be used as substitutes, but always verify the specific parameters and pin configurations for compatibility.
1. LMV431 from Texas Instruments
2. TLVH431 from Texas Instruments
3. NCP431 from ON Semiconductor
4. LM431 from Texas Instruments
5. KA431 from ON Semiconductor
6. AZ431 from Diodes Incorporated
These components share similar functionality and can often be used as substitutes, but always verify the specific parameters and pin configurations for compatibility.
Features
The TLV431ASNT1G is a precision programmable voltage reference with the following key features:
1. Voltage Reference: It provides an adjustable shunt regulator with an output voltage that can be set anywhere between Vref (approximately 1.24V) and 36V.
2. Accuracy: Offers high precision with a reference voltage tolerance typically around 0.5%.
3. Low Operating Current: It requires a low cathode current, typically around 80 μA, which is beneficial for power-sensitive applications.
4. Temperature Range: Operates efficiently over a wide temperature range of -40°C to +125°C, making it suitable for industrial and automotive applications.
5. Package Options: Available in small package types like SOT-23-3, which is ideal for space-constrained applications.
6. Stability: Designed to maintain a stable output voltage despite variations in temperature, input voltage, and load conditions.
These features make the TLV431ASNT1G suitable for use in power supply regulation, voltage monitoring, and precision current sources.
1. Voltage Reference: It provides an adjustable shunt regulator with an output voltage that can be set anywhere between Vref (approximately 1.24V) and 36V.
2. Accuracy: Offers high precision with a reference voltage tolerance typically around 0.5%.
3. Low Operating Current: It requires a low cathode current, typically around 80 μA, which is beneficial for power-sensitive applications.
4. Temperature Range: Operates efficiently over a wide temperature range of -40°C to +125°C, making it suitable for industrial and automotive applications.
5. Package Options: Available in small package types like SOT-23-3, which is ideal for space-constrained applications.
6. Stability: Designed to maintain a stable output voltage despite variations in temperature, input voltage, and load conditions.
These features make the TLV431ASNT1G suitable for use in power supply regulation, voltage monitoring, and precision current sources.
Pinout
The TLV431ASNT1G is a three-pin device, which functions as a programmable precision shunt regulator. Its primary role is to maintain a stable reference voltage, making it suitable for various applications like voltage monitoring, switching power supplies, and adjustable voltage sources.
Here's a brief description of its pin functions:
1. Anode (A): This pin is typically connected to the negative side of the power supply. It serves as the ground return path for the device.
2. Cathode (K): This pin is the output of the device where the regulated voltage is maintained. It is connected to the load and the positive side of the power supply.
3. Reference (R): This pin allows the user to set the output voltage by connecting it to a voltage divider. It is used to provide feedback to the internal comparator to regulate the cathode voltage.
The TLV431ASNT1G offers adjustable output voltage options and is designed for low-voltage operation, typical for applications requiring precision voltage regulation in compact designs.
Here's a brief description of its pin functions:
1. Anode (A): This pin is typically connected to the negative side of the power supply. It serves as the ground return path for the device.
2. Cathode (K): This pin is the output of the device where the regulated voltage is maintained. It is connected to the load and the positive side of the power supply.
3. Reference (R): This pin allows the user to set the output voltage by connecting it to a voltage divider. It is used to provide feedback to the internal comparator to regulate the cathode voltage.
The TLV431ASNT1G offers adjustable output voltage options and is designed for low-voltage operation, typical for applications requiring precision voltage regulation in compact designs.
Manufacturer
The TLV431ASNT1G is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a leading semiconductor supplier focused on energy-efficient electronics. The company designs and manufactures a wide range of semiconductor components used in various applications, including automotive, industrial, cloud power, and Internet of Things (IoT) sectors. onsemi specializes in power and signal management, logic, discrete, and custom devices that help customers solve design challenges related to power efficiency, reliability, and functionality.
Application
The TLV431ASNT1G is a precision programmable voltage reference suitable for various applications. Key areas include:
1. Voltage Regulation: Used in power supply circuits for creating accurate reference voltages.
2. Shunt Regulator: Operates as a low-cost shunt regulator in battery-operated devices.
3. Comparator Applications: Functions as a comparator with integrated reference for various control systems.
4. Analog and Digital Circuit Calibration: Provides precise voltage references for calibration purposes in mixed-signal circuits.
5. Data Acquisition Systems: Enhances the accuracy of A/D converters by providing stable reference voltages.
6. Instrumentation: Used in measurement equipment for consistent voltage references.
These applications leverage its precision, low voltage operation, and stability.
1. Voltage Regulation: Used in power supply circuits for creating accurate reference voltages.
2. Shunt Regulator: Operates as a low-cost shunt regulator in battery-operated devices.
3. Comparator Applications: Functions as a comparator with integrated reference for various control systems.
4. Analog and Digital Circuit Calibration: Provides precise voltage references for calibration purposes in mixed-signal circuits.
5. Data Acquisition Systems: Enhances the accuracy of A/D converters by providing stable reference voltages.
6. Instrumentation: Used in measurement equipment for consistent voltage references.
These applications leverage its precision, low voltage operation, and stability.
Package
The TLV431ASNT1G is typically available in a SOT-23 package type, which is a small-outline transistor package commonly used for surface-mount applications.
