사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| ReferenceType | Shunt |
| OutputType | Adjustable |
| Voltage-Output(Min/Fixed) | 2.5V |
| Voltage-Output(Max) | 36 V |
| Current-Output | 100 mA |
| Tolerance | ±0.5% |
| TemperatureCoefficient | 82ppm/°C |
| Current-Cathode | 35 µA |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
개요
Description
The ATL431BQDBZR is a precision programmable voltage reference from Texas Instruments. It operates similarly to a Zener diode but with enhanced stability, accuracy, and flexibility. This component is part of the ATL431 family, which is characterized by its adjustable output voltage, allowing it to be configured for different reference voltages via external resistors. The device operates over a wide voltage range of 2.5V to 36V.
Key features include a temperature range of -40°C to 125°C, low dynamic output impedance, and enhanced stability. It's typically used in applications like voltage regulation, shunt regulators, and as a reference in analog-to-digital converters. The BQ in its name refers to its tolerance and temperature coefficient specifications, ensuring high precision in various conditions. The DBZR suffix indicates the package type, which is a small outline transistor (SOT-23-3) package, making it suitable for compact designs. Overall, the ATL431BQDBZR is a versatile component essential for precision voltage control applications.
Key features include a temperature range of -40°C to 125°C, low dynamic output impedance, and enhanced stability. It's typically used in applications like voltage regulation, shunt regulators, and as a reference in analog-to-digital converters. The BQ in its name refers to its tolerance and temperature coefficient specifications, ensuring high precision in various conditions. The DBZR suffix indicates the package type, which is a small outline transistor (SOT-23-3) package, making it suitable for compact designs. Overall, the ATL431BQDBZR is a versatile component essential for precision voltage control applications.
Equivalent
The ATL431BQDBZR is a programmable shunt voltage reference. Equivalent products include:
1. TL431 series by Texas Instruments
2. LM431 series by ON Semiconductor
3. KA431 series by Fairchild Semiconductor
4. AS431 series by Diodes Incorporated
5. AZ431 series by BCD Semiconductor
These products offer similar voltage reference functionality, with slight variations in electrical characteristics and package options. Always check datasheets to ensure compatibility with specific application requirements.
1. TL431 series by Texas Instruments
2. LM431 series by ON Semiconductor
3. KA431 series by Fairchild Semiconductor
4. AS431 series by Diodes Incorporated
5. AZ431 series by BCD Semiconductor
These products offer similar voltage reference functionality, with slight variations in electrical characteristics and package options. Always check datasheets to ensure compatibility with specific application requirements.
Features
The ATL431BQDBZR is a precision programmable shunt voltage reference, commonly used in electronic circuits for maintaining a stable voltage. Here are its key features:
1. Reference Voltage Range: It offers a programmable output voltage range from 2.5V to 36V.
2. Accuracy: Features a typical initial accuracy of 0.5%, making it reliable for precision applications.
3. Temperature Stability: Excellent thermal stability with a temperature coefficient of 50 ppm/°C.
4. Output Current Capability: Supports a cathode current range from 1 mA to 100 mA.
5. Adjustable Output: The output voltage can be adjusted using two external resistors, allowing for flexible design implementations.
6. Package Options: Available in multiple package types, including SOT-23, which is beneficial for compact designs.
7. Low Dynamic Impedance: Offers low dynamic output impedance, enhancing performance in various load conditions.
8. Applications: Suitable for use in voltage monitoring, over-voltage protection, and as a reference in power supplies and battery-operated devices.
These features make the ATL431BQDBZR a versatile component for precision voltage regulation tasks.
1. Reference Voltage Range: It offers a programmable output voltage range from 2.5V to 36V.
2. Accuracy: Features a typical initial accuracy of 0.5%, making it reliable for precision applications.
3. Temperature Stability: Excellent thermal stability with a temperature coefficient of 50 ppm/°C.
4. Output Current Capability: Supports a cathode current range from 1 mA to 100 mA.
5. Adjustable Output: The output voltage can be adjusted using two external resistors, allowing for flexible design implementations.
6. Package Options: Available in multiple package types, including SOT-23, which is beneficial for compact designs.
7. Low Dynamic Impedance: Offers low dynamic output impedance, enhancing performance in various load conditions.
8. Applications: Suitable for use in voltage monitoring, over-voltage protection, and as a reference in power supplies and battery-operated devices.
These features make the ATL431BQDBZR a versatile component for precision voltage regulation tasks.
Pinout
The ATL431BQDBZR is a three-terminal adjustable shunt regulator. It is typically available in a SOT-23-3 package, which means it has 3 pins. The functions of these pins are as follows:
1. Reference (REF) - This is the input to the internal error amplifier. The voltage at this pin is compared to the internal reference voltage.
2. Cathode (K) - This acts as the output pin and is connected to the anode through a resistive divider network in application circuits. The cathode is connected to the negative side in the application, and it serves as the control point for the output.
3. Anode (A) - This is the ground or negative supply voltage connection for the device. It also serves as the return path for the current flowing through the cathode.
The ATL431BQDBZR is used for precision voltage regulation and reference applications, capable of maintaining a stable output voltage over a wide range of input voltages, making it suitable for power supply and other electronic circuit applications.
1. Reference (REF) - This is the input to the internal error amplifier. The voltage at this pin is compared to the internal reference voltage.
2. Cathode (K) - This acts as the output pin and is connected to the anode through a resistive divider network in application circuits. The cathode is connected to the negative side in the application, and it serves as the control point for the output.
3. Anode (A) - This is the ground or negative supply voltage connection for the device. It also serves as the return path for the current flowing through the cathode.
The ATL431BQDBZR is used for precision voltage regulation and reference applications, capable of maintaining a stable output voltage over a wide range of input voltages, making it suitable for power supply and other electronic circuit applications.
Manufacturer
The ATL431BQDBZR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronic devices globally. TI is known for its innovation in the electronics industry and supplies products to a wide array of sectors, including consumer electronics, automotive, communications, and industrial equipment. The company focuses on developing analog chips and embedded processors, and it plays a significant role in driving advancements in electronic design and manufacturing.
Application
The ATL431BQDBZR is a programmable shunt voltage reference often used in various electronic applications. Key application areas include:
1. Voltage Regulation: Ensures stable output voltage in power supply circuits.
2. Switching Power Supplies: Acts as a reference for feedback control.
3. Battery Chargers: Provides accurate voltage reference for charging circuits.
4. Data Acquisition Systems: Stabilizes analog-to-digital converter performance.
5. Telecommunications: Utilized in voltage level monitoring and regulation.
6. Instrumentation: Offers precision in measurement devices.
7. Consumer Electronics: Used in devices requiring stable voltage reference.
Its versatility and precision make it suitable for diverse applications demanding reliable voltage regulation.
1. Voltage Regulation: Ensures stable output voltage in power supply circuits.
2. Switching Power Supplies: Acts as a reference for feedback control.
3. Battery Chargers: Provides accurate voltage reference for charging circuits.
4. Data Acquisition Systems: Stabilizes analog-to-digital converter performance.
5. Telecommunications: Utilized in voltage level monitoring and regulation.
6. Instrumentation: Offers precision in measurement devices.
7. Consumer Electronics: Used in devices requiring stable voltage reference.
Its versatility and precision make it suitable for diverse applications demanding reliable voltage regulation.
Package
The ATL431BQDBZR is a three-terminal adjustable shunt regulator packaged in a SOT-23-3 form factor. This small-outline transistor package is suitable for surface-mount applications, offering compact size and efficient thermal performance for voltage regulation tasks.
