規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V |
| Voltage - Output (Max) | 36 V |
| Current - Output | 100 mA |
| Tolerance | ±2.2% |
| Current - Cathode | 1 mA |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The TL431CDBVR is a precision programmable voltage reference from Texas Instruments. It is commonly used in applications requiring stable voltage references such as power supplies, battery chargers, and switching regulators. This device can act as a precise voltage regulator or a comparator with an adjustable output voltage.
Key features include:
1. Programmable Output Voltage: The output voltage can be set between 2.5V and 36V with two external resistors.
2. High Stability: It offers a stable voltage reference with low temperature coefficient, enhancing accuracy over varying temperatures.
3. High-Precision: Typical initial accuracy is around ±0.5%, making it suitable for precision applications.
4. Low Output Noise: Ensures minimal interference in sensitive electronic circuits.
5. Small Package: Available in a SOT-23 surface-mount package, making it suitable for space-constrained designs.
Overall, the TL431CDBVR is versatile and reliable, making it a popular choice for ensuring accurate voltage regulation in a variety of electronic applications.
Key features include:
1. Programmable Output Voltage: The output voltage can be set between 2.5V and 36V with two external resistors.
2. High Stability: It offers a stable voltage reference with low temperature coefficient, enhancing accuracy over varying temperatures.
3. High-Precision: Typical initial accuracy is around ±0.5%, making it suitable for precision applications.
4. Low Output Noise: Ensures minimal interference in sensitive electronic circuits.
5. Small Package: Available in a SOT-23 surface-mount package, making it suitable for space-constrained designs.
Overall, the TL431CDBVR is versatile and reliable, making it a popular choice for ensuring accurate voltage regulation in a variety of electronic applications.
Equivalent
The TL431CDBVR is a shunt voltage reference. Equivalent products include:
1. LM431 series (e.g., LM431A, LM431B) by Texas Instruments.
2. TLVH431 series by Texas Instruments.
3. AZ431 by Diodes Incorporated.
4. KA431 by ON Semiconductor.
5. NCP431 by ON Semiconductor.
6. AS431 by BCD Semiconductor.
7. LMV431 series by Texas Instruments.
Ensure to verify specifications such as voltage, tolerance, and temperature range for compatibility.
1. LM431 series (e.g., LM431A, LM431B) by Texas Instruments.
2. TLVH431 series by Texas Instruments.
3. AZ431 by Diodes Incorporated.
4. KA431 by ON Semiconductor.
5. NCP431 by ON Semiconductor.
6. AS431 by BCD Semiconductor.
7. LMV431 series by Texas Instruments.
Ensure to verify specifications such as voltage, tolerance, and temperature range for compatibility.
Features
The TL431CDBVR is a three-terminal adjustable shunt regulator with precise voltage regulation capabilities. Key features include:
1. Adjustable Output Voltage: It can be set to a range from 2.5V to 36V with the use of external resistors.
2. Precise Voltage Reference: The device has a typical output voltage tolerance of ±0.5%, ensuring stable performance.
3. Wide Operating Temperature Range: It performs reliably in temperatures ranging from -40°C to +125°C.
4. Low Output Impedance: The output impedance is around 0.2 ohms, providing a stable and consistent output.
5. High Stability: The TL431CDBVR offers good thermal stability with minimal drift over varying temperatures.
6. Low Noise Output: It contributes to low operational noise levels in the circuits.
7. Small Package: Available in surface-mount SOT-23 package, making it suitable for compact designs.
8. Applications: Commonly used in voltage monitoring, precision high-current output regulation, and adjustable power supplies.
These features make it a versatile component for various applications in electronics requiring precise voltage regulation.
1. Adjustable Output Voltage: It can be set to a range from 2.5V to 36V with the use of external resistors.
2. Precise Voltage Reference: The device has a typical output voltage tolerance of ±0.5%, ensuring stable performance.
3. Wide Operating Temperature Range: It performs reliably in temperatures ranging from -40°C to +125°C.
4. Low Output Impedance: The output impedance is around 0.2 ohms, providing a stable and consistent output.
5. High Stability: The TL431CDBVR offers good thermal stability with minimal drift over varying temperatures.
6. Low Noise Output: It contributes to low operational noise levels in the circuits.
7. Small Package: Available in surface-mount SOT-23 package, making it suitable for compact designs.
8. Applications: Commonly used in voltage monitoring, precision high-current output regulation, and adjustable power supplies.
These features make it a versatile component for various applications in electronics requiring precise voltage regulation.
Pinout
The TL431CDBVR is a precision programmable shunt voltage reference from Texas Instruments. It is typically available in a 5-pin SOT-23 package. The functions of its pins are as follows:
1. Reference (REF): This pin is used to set the reference voltage by connecting it to the desired voltage divider network.
2. Anode (A): This pin serves as the ground or low-side connection for current flow through the device.
3. Cathode (K): This pin connects to the load and provides the output current path from the supply through the regulated output voltage.
The TL431 can be used in various applications, including voltage monitoring, overvoltage protection, and adjustable power supplies, due to its ability to maintain a stable voltage over a wide range of currents and temperatures. It is highly versatile, allowing it to be configured for both linear and switching power supplies.
1. Reference (REF): This pin is used to set the reference voltage by connecting it to the desired voltage divider network.
2. Anode (A): This pin serves as the ground or low-side connection for current flow through the device.
3. Cathode (K): This pin connects to the load and provides the output current path from the supply through the regulated output voltage.
The TL431 can be used in various applications, including voltage monitoring, overvoltage protection, and adjustable power supplies, due to its ability to maintain a stable voltage over a wide range of currents and temperatures. It is highly versatile, allowing it to be configured for both linear and switching power supplies.
Manufacturer
The TL431CDBVR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company headquartered in Dallas, Texas. It is a global semiconductor company that designs and manufactures a variety of electronic components and systems. TI is well-known for its analog chips and embedded processors, which are used in a wide range of applications across industries such as automotive, industrial, personal electronics, communications, and enterprise systems. The company has a strong reputation for innovation and quality, providing components that are integral to many modern electronic devices and systems.
Application
The TL431CDBVR is a precision programmable shunt voltage reference used in various applications. Key application areas include:
1. Voltage Regulation: It is used in power supplies and chargers for maintaining a stable output voltage.
2. Switching Power Supplies: Acts as a reference in SMPS for accurate voltage regulation.
3. Battery Chargers: Ensures precise voltage control.
4. Data Acquisition Systems: Provides stable reference voltage for ADCs.
5. Instrumentation: Used in measurement devices needing precise voltage references.
6. Overvoltage/Undervoltage Protection: Monitors and controls voltage levels to prevent damage.
Its versatility and precision make it suitable for numerous electronic applications requiring stable voltage references.
1. Voltage Regulation: It is used in power supplies and chargers for maintaining a stable output voltage.
2. Switching Power Supplies: Acts as a reference in SMPS for accurate voltage regulation.
3. Battery Chargers: Ensures precise voltage control.
4. Data Acquisition Systems: Provides stable reference voltage for ADCs.
5. Instrumentation: Used in measurement devices needing precise voltage references.
6. Overvoltage/Undervoltage Protection: Monitors and controls voltage levels to prevent damage.
Its versatility and precision make it suitable for numerous electronic applications requiring stable voltage references.
Package
The TL431CDBVR is packaged in a SOT-23 surface-mount package. This small outline transistor package is commonly used for compact electronic designs where space efficiency is crucial.
