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 | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The TL431IDBZR is a programmable voltage reference device designed for use in precision applications. It functions by providing a stable reference voltage, which is crucial for a wide range of electronic applications, such as power supply regulation, and battery management systems. The device operates as a shunt regulator, which means it can maintain a constant voltage over a wide range of input voltages.
Key features of the TL431IDBZR include its adjustable output voltage, which can be set using two external resistors, and its wide operating temperature range, making it suitable for various environmental conditions. The device typically offers a reference voltage of 2.5 V, with excellent temperature stability and low output noise.
This device is housed in a small SOT-23 package, which is ideal for space-constrained applications. Additionally, the TL431IDBZR has a low dynamic output impedance, ensuring better performance in dynamic conditions. It's commonly used in applications like switching power supplies, chargers, and instrumentation.
Key features of the TL431IDBZR include its adjustable output voltage, which can be set using two external resistors, and its wide operating temperature range, making it suitable for various environmental conditions. The device typically offers a reference voltage of 2.5 V, with excellent temperature stability and low output noise.
This device is housed in a small SOT-23 package, which is ideal for space-constrained applications. Additionally, the TL431IDBZR has a low dynamic output impedance, ensuring better performance in dynamic conditions. It's commonly used in applications like switching power supplies, chargers, and instrumentation.
Equivalent
The TL431IDBZR is a programmable precision reference chip. Equivalent products include:
1. LM431 series from Texas Instruments
2. KA431 series from ON Semiconductor
3. AN431 series from Panasonic
4. TLVH431 series from Texas Instruments for low voltage
5. AS431 series from Diodes Incorporated
These products offer similar performance in terms of voltage reference, temperature stability, and output current capability. Always check the datasheet for specific parameter matching.
1. LM431 series from Texas Instruments
2. KA431 series from ON Semiconductor
3. AN431 series from Panasonic
4. TLVH431 series from Texas Instruments for low voltage
5. AS431 series from Diodes Incorporated
These products offer similar performance in terms of voltage reference, temperature stability, and output current capability. Always check the datasheet for specific parameter matching.
Features
The TL431IDBZR is a precision programmable shunt regulator with the following key features:
1. Adjustable Output Voltage: It provides an adjustable output voltage range from 2.5V to 36V, making it versatile for various applications.
2. Accuracy: It offers a precise voltage reference with a typical accuracy of ±0.5%, ensuring reliable performance.
3. Temperature Stability: The device exhibits excellent thermal stability, with minimal drift over a broad temperature range.
4. Low Output Impedance: It has a low output impedance of approximately 0.2 ohms, which enhances its ability to maintain a stable reference voltage.
5. Operational Temperature Range: The TL431IDBZR operates effectively across a wide temperature range from -40°C to +85°C.
6. Package: It is available in a SOT-23 package, which is compact and suitable for space-constrained designs.
7. Applications: Commonly used in voltage regulation, adjustable power supplies, and as a precision current limiter.
8. Low Cathode Current: The device can operate with a low minimum cathode current of 1 mA.
These features make the TL431IDBZR suitable for a variety of electronic applications requiring precise voltage regulation and reference.
1. Adjustable Output Voltage: It provides an adjustable output voltage range from 2.5V to 36V, making it versatile for various applications.
2. Accuracy: It offers a precise voltage reference with a typical accuracy of ±0.5%, ensuring reliable performance.
3. Temperature Stability: The device exhibits excellent thermal stability, with minimal drift over a broad temperature range.
4. Low Output Impedance: It has a low output impedance of approximately 0.2 ohms, which enhances its ability to maintain a stable reference voltage.
5. Operational Temperature Range: The TL431IDBZR operates effectively across a wide temperature range from -40°C to +85°C.
6. Package: It is available in a SOT-23 package, which is compact and suitable for space-constrained designs.
7. Applications: Commonly used in voltage regulation, adjustable power supplies, and as a precision current limiter.
8. Low Cathode Current: The device can operate with a low minimum cathode current of 1 mA.
These features make the TL431IDBZR suitable for a variety of electronic applications requiring precise voltage regulation and reference.
Pinout
The TL431IDBZR is a three-pin adjustable precision shunt regulator. It is commonly used in various electronic circuits for voltage regulation and reference applications. The pin functions are as follows:
1. Reference (Ref): This pin sets the reference voltage. By connecting it to a resistor network, you can adjust the output voltage.
2. Anode (A): This is the negative terminal of the device. Current flows out of this pin during operation.
3. Cathode (K): This is the positive terminal and serves as the input for the regulated voltage. Current flows into this pin.
The TL431IDBZR can be used as a zener diode replacement with an adjustable breakdown voltage, making it versatile for applications requiring precise voltage regulation.
1. Reference (Ref): This pin sets the reference voltage. By connecting it to a resistor network, you can adjust the output voltage.
2. Anode (A): This is the negative terminal of the device. Current flows out of this pin during operation.
3. Cathode (K): This is the positive terminal and serves as the input for the regulated voltage. Current flows into this pin.
The TL431IDBZR can be used as a zener diode replacement with an adjustable breakdown voltage, making it versatile for applications requiring precise voltage regulation.
Manufacturer
The TL431IDBZR is manufactured by Texas Instruments (TI), an American technology company that designs and manufactures semiconductors and various integrated circuits. Texas Instruments is known for its development of analog chips and embedded processors, which are employed in a broad range of electronic devices. The company serves various industries including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is recognized for its innovation in semiconductor technology and its significant impact on the electronics industry.
Application
The TL431IDBZR is a precision programmable voltage reference commonly used in various applications. It is typically employed in switching power supplies and linear regulators for voltage regulation and as a reference voltage source in control circuits. The device is also utilized in battery chargers, overvoltage protection circuits, and adjustable power supplies. Additionally, it can be found in applications requiring precision reference voltage, such as analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). Its versatility and accuracy make it suitable for use in a wide range of consumer electronics, industrial controls, and telecommunications equipment.
Package
The TL431IDBZR is a voltage reference device available in a SOT-23 package type. This package is a small-outline transistor package commonly used for surface-mount applications.
