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TL431ACDBZR
+Lista de MateriaisIC VREF SHUNT ADJ 1% SOT23-3
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FabricanteTexas Instruments
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Peça do Fabricante #TL431ACDBZR
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Pacote SOT-23 (DBZ)-3
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| ReferenceType | Shunt |
| OutputType | Adjustable |
| Voltage-Output(Min/Fixed) | 2.495V |
| Voltage-Output(Max) | 36 V |
| Current-Output | 100 mA |
| Tolerance | ±1% |
| Current-Cathode | 600 µA |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
Visão Geral
Description
Key features of the TL431ACDBZR include its ability to operate over a wide temperature range and its accurate voltage regulation, with a typical output voltage tolerance of ±0.5%. The reference voltage is typically 2.5V, but it can be adjusted to other values through the external resistors. This flexibility makes it ideal for use in power supply regulation, battery chargers, and other applications requiring precise voltage control.
Overall, the TL431ACDBZR is praised for its reliability, precision, and ease of integration into various electronic circuits, making it a popular choice among engineers and designers.
Equivalent
1. LM431 series from Texas Instruments.
2. AZ431 series from Diodes Incorporated.
3. KA431 series from ON Semiconductor.
4. LMV431 series from Texas Instruments.
5. TLVH431 series for low voltage applications.
These alternatives offer similar functionality for reference voltage and shunt regulation applications. However, always check specific datasheets for compatibility in terms of voltage rating, tolerance, and package type.
Features
1. Adjustable Precision: The output voltage can be set to any value between 2.5V and 36V using two external resistors, providing flexibility in various applications.
2. High Accuracy: It offers a typical initial accuracy of 0.5%, ensuring precise voltage regulation.
3. Temperature Stability: The device exhibits good stability over a wide temperature range, with a low temperature coefficient.
4. Wide Operating Current Range: It supports a cathode current range from 1 mA to 100 mA, making it suitable for a variety of load conditions.
5. Low Dynamic Output Impedance: This feature ensures consistent performance and minimal variation in output voltage under different loads.
6. Package Options: The TL431ACDBZR is available in various package types, including SOT-23, which provides a compact footprint for space-constrained applications.
Overall, the TL431ACDBZR is ideal for use in precision voltage regulation, battery-operated devices, and power supply systems that require accurate reference voltages.
Pinout
1. Cathode (K): This is the negative terminal where the current flows out of the device.
2. Anode (A): This is the positive terminal connected to the ground or a lower potential point in the circuit.
3. Reference (R): This pin is used to set the output voltage by connecting it to a voltage divider network.
The TL431ACDBZR can be used to provide a reference voltage for a wide range of applications, such as switching power supplies, voltage monitoring, and adjustable voltage references. The output voltage can be adjusted from 2.5V to 36V, depending on the external resistors used.
Manufacturer
Application
1. Voltage Regulation: Provides stable reference voltage for linear and switching regulators.
2. Power Supplies: Used in power supply circuits to ensure maintained output voltage.
3. Battery Chargers: Helps in maintaining precise charging voltage and current.
4. Overvoltage Protection: Serves as a reference in overvoltage protection circuits.
5. Data Converters: Used in ADCs/DACs for ensuring accurate reference voltages.
6. Feedback Circuits: Acts as a reference in feedback loops for consistent performance.
These applications benefit from its accuracy, stability, and programmability.