Imagens apenas para referência
TL431QDBZR
+Lista de MateriaisIC VREF SHUNT ADJ 2.2% SOT23-3
-
FabricanteTexas Instruments
-
Peça do Fabricante #TL431QDBZR
-
Pacote SOT-23 (DBZ)-3
-
Em Estoque3549
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| ReferenceType | Shunt |
| OutputType | Adjustable |
| Voltage-Output(Min/Fixed) | 2.495V |
| Voltage-Output(Max) | 36 V |
| Current-Output | 100 mA |
| Tolerance | ±2.2% |
| Current-Cathode | 1 mA |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
Visão Geral
Description
Key features of the TL431QDBZR include:
- Adjustable Output: The output voltage can be set to any value between 2.5V and 36V using two external resistors.
- Precision: It offers a typical voltage tolerance of ±0.5%, ensuring highly accurate voltage reference.
- Temperature Stability: Designed to perform consistently across a broad temperature range, typically from -40°C to +125°C.
- Low Output Noise: Ensures minimal interference in sensitive electronic applications.
- SOT-23 Package: This compact package allows for efficient use of PCB space in various applications.
Overall, the TL431QDBZR is valued for its versatility, precision, and reliability in managing voltage levels within electronic systems.
Equivalent
1. LM431 series from Texas Instruments.
2. KA431 from ON Semiconductor.
3. LMV431 from Texas Instruments.
4. AZ431 from Diodes Incorporated.
5. AS431 from Diotec.
6. TL1431 from STMicroelectronics.
These alternatives offer similar functionalities and can be used as substitutes depending on specific circuit requirements. Always check the datasheets for compatibility regarding voltage, current, and package type.
Features
1. Adjustable Output Voltage: The device supports an output voltage range from 2.5 V to 36 V, making it versatile for various applications.
2. Accuracy: It offers high precision with a typical reference voltage tolerance of ±0.5%, ensuring stable operation in critical designs.
3. Temperature Stability: The TL431QDBZR maintains consistent performance over a wide temperature range, enhancing reliability in different environments.
4. Low Temperature Coefficient: With a low typical temperature coefficient, the device offers consistent voltage reference over temperature variations.
5. Wide Operating Current Range: It functions efficiently with cathode currents between 1 mA and 100 mA.
6. Package Options: Available in a variety of package options, including SOT-23, allowing flexibility for space-constrained applications.
7. Applications: Commonly used in precision power supplies, voltage monitoring, and comparator circuits.
8. Low Output Impedance: Offers low output impedance for better stability and performance.
These features make the TL431QDBZR an ideal choice for applications requiring accurate voltage references.
Pinout
### Pin Count:
- 3 Pins
### Pin Functions:
1. REF (Reference): This pin is used to set the reference voltage. By connecting appropriate resistors between this pin, the anode, and the cathode, you can adjust the output voltage over a wide range.
2. ANODE: This is the negative terminal of the device, typically connected to the ground or the lower potential side of the circuit.
3. CATHODE: This is the positive terminal of the device, and it is where the output voltage is regulated. The cathode is connected to the load or the point where the regulated voltage is required.
The TL431QDBZR is used in various applications for its precision voltage regulation and is commonly employed in power supplies, battery chargers, and other electronic circuits requiring stable voltage references.