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ATL431AQDBZR
+BOMIC VREF SHUNT ADJ 1% SOT23-3
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #ATL431AQDBZR
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在庫状況1402
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Active |
| Base Product Number | ATL431 |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min / Fixed) | 2.5V |
| Current - Output | 100 mA |
| Tolerance | ±1% |
| Temperature Coefficient | 82ppm/°C |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
| Voltage - Output (Max) | 36 V |
| Current - Cathode | 35 µA |
概要
Description
The ATL431AQDBZR is a precision adjustable voltage reference from Texas Instruments, commonly used in electronic circuits to maintain a constant voltage level. It functions similarly to a Zener diode but offers enhanced accuracy and stability. The device can be set to output voltages ranging from 2.5V to 36V by using two external resistors. Its main features include low output noise, low temperature coefficient, and a wide operating temperature range, making it suitable for various applications like power supply regulation, data acquisition systems, and voltage monitoring.
The ATL431AQDBZR comes in a SOT-23-3 package, which is compact and suitable for surface-mount technology (SMT), saving space on printed circuit boards. This device is designed for low power consumption and can handle a wide range of cathode currents, which adds flexibility in design. Its precision and reliability are vital for critical applications, ensuring consistent performance over time. Overall, the ATL431AQDBZR is a versatile component for engineers needing a dependable voltage reference in their electronic designs.
The ATL431AQDBZR comes in a SOT-23-3 package, which is compact and suitable for surface-mount technology (SMT), saving space on printed circuit boards. This device is designed for low power consumption and can handle a wide range of cathode currents, which adds flexibility in design. Its precision and reliability are vital for critical applications, ensuring consistent performance over time. Overall, the ATL431AQDBZR is a versatile component for engineers needing a dependable voltage reference in their electronic designs.
Equivalent
Equivalent products to the ATL431AQDBZR, which is a programmable precision shunt regulator, 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. TLVH431 series by Texas Instruments (low-voltage version)
Always verify the specifications and pin configurations to ensure compatibility with your application.
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. TLVH431 series by Texas Instruments (low-voltage version)
Always verify the specifications and pin configurations to ensure compatibility with your application.
Features
The ATL431AQDBZR is a precision programmable voltage reference with several key features:
1. Adjustable Shunt Regulator: It allows for voltage adjustment, making it versatile for various applications.
2. Precision Voltage Reference: It typically offers a reference voltage of 2.5V, ensuring accurate and stable performance.
3. Wide Operating Range: The device operates over a wide voltage range, typically accommodating input voltages from VREF to 36V.
4. Temperature Stability: It provides stable performance across a broad temperature range, ensuring reliability in different environments.
5. Low Output Noise: The device features low output noise, which is beneficial in applications requiring precision and minimal interference.
6. Programmable Output Voltage: The output voltage can be set using external resistors, allowing flexibility in design.
7. Low Dynamic Output Impedance: This feature ensures good performance even with varying loads.
These features make the ATL431AQDBZR ideal for applications in power supplies, data acquisition systems, and other precision electronics needing a stable voltage reference.
1. Adjustable Shunt Regulator: It allows for voltage adjustment, making it versatile for various applications.
2. Precision Voltage Reference: It typically offers a reference voltage of 2.5V, ensuring accurate and stable performance.
3. Wide Operating Range: The device operates over a wide voltage range, typically accommodating input voltages from VREF to 36V.
4. Temperature Stability: It provides stable performance across a broad temperature range, ensuring reliability in different environments.
5. Low Output Noise: The device features low output noise, which is beneficial in applications requiring precision and minimal interference.
6. Programmable Output Voltage: The output voltage can be set using external resistors, allowing flexibility in design.
7. Low Dynamic Output Impedance: This feature ensures good performance even with varying loads.
These features make the ATL431AQDBZR ideal for applications in power supplies, data acquisition systems, and other precision electronics needing a stable voltage reference.
Pinout
The ATL431AQDBZR is a precision programmable shunt voltage reference. It typically comes in a 3-pin package such as SOT-23, though the exact package type might slightly vary. The pin functions are as follows:
1. Reference (REF): This pin is used to set the reference voltage through an external resistor divider network. It controls the cathode current, maintaining it at a precise reference voltage level.
2. Anode (A): This is the ground pin in most configurations. It is connected to the lower potential side of the voltage reference circuit.
3. Cathode (K): This pin acts as the output and is connected to the load. It sources the current necessary to maintain the reference voltage across the REF pin.
The ATL431AQDBZR functions as an adjustable voltage reference, offering a stable voltage over a wide current range and temperature. It is used in various applications, such as voltage regulation, switching power supplies, and battery-operated devices.
1. Reference (REF): This pin is used to set the reference voltage through an external resistor divider network. It controls the cathode current, maintaining it at a precise reference voltage level.
2. Anode (A): This is the ground pin in most configurations. It is connected to the lower potential side of the voltage reference circuit.
3. Cathode (K): This pin acts as the output and is connected to the load. It sources the current necessary to maintain the reference voltage across the REF pin.
The ATL431AQDBZR functions as an adjustable voltage reference, offering a stable voltage over a wide current range and temperature. It is used in various applications, such as voltage regulation, switching power supplies, and battery-operated devices.
Manufacturer
The ATL431AQDBZR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of integrated circuits and electronic components. They are well-known for their innovations in analog and embedded processing technologies. TI serves a diverse array of markets, including automotive, industrial, personal electronics, communications, and enterprise systems. The company is recognized for its commitment to quality, reliability, and technological advancement in the semiconductor industry.
Application
The ATL431AQDBZR is a programmable shunt voltage reference used in various applications. Its primary areas include:
1. Voltage Regulation: Utilized in power supply circuits to maintain a stable output voltage.
2. Precision Current Limiting: Ensures consistent current flow in circuits.
3. Data Acquisition: Used in ADCs (Analog-to-Digital Converters) for accurate signal conversion.
4. Instrumentation: Provides precise reference voltages in measurement and testing equipment.
5. Battery Management: Assists in monitoring and managing battery performance.
6. Consumer Electronics: Used in devices requiring precise voltage reference, such as audio equipment and televisions.
7. Telecommunications: Employed in maintaining signal integrity in communication devices.
These applications benefit from the device's wide operating voltage range and temperature stability.
1. Voltage Regulation: Utilized in power supply circuits to maintain a stable output voltage.
2. Precision Current Limiting: Ensures consistent current flow in circuits.
3. Data Acquisition: Used in ADCs (Analog-to-Digital Converters) for accurate signal conversion.
4. Instrumentation: Provides precise reference voltages in measurement and testing equipment.
5. Battery Management: Assists in monitoring and managing battery performance.
6. Consumer Electronics: Used in devices requiring precise voltage reference, such as audio equipment and televisions.
7. Telecommunications: Employed in maintaining signal integrity in communication devices.
These applications benefit from the device's wide operating voltage range and temperature stability.
Package
The ATL431AQDBZR is packaged in a SOT-23-3 configuration. This package type is a small outline transistor package with three leads, commonly used for surface-mount applications due to its compact size and efficient thermal performance.
