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TLV431BQDBZR
+Lista de MateriaisIC VREF SHUNT ADJ 0.5% SOT23-3
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FabricanteTexas Instruments
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Peça do Fabricante #TLV431BQDBZR
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Pacote SOT-23-3
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Em Estoque4079
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| ReferenceType | Shunt |
| OutputType | Adjustable |
| Voltage-Output(Min/Fixed) | 1.24V |
| Voltage-Output(Max) | 6 V |
| Current-Output | 15 mA |
| Tolerance | ±0.5% |
| Current-Cathode | 100 µA |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
Visão Geral
Description
The TLV431BQDBZR is available in the SOT-23 package, which is compact and suitable for space-constrained applications. It has a low temperature coefficient, enhancing performance across a broad temperature range. This device is commonly used in voltage monitoring, power supply regulation, and data acquisition systems.
Key features include low dynamic impedance, good thermal stability, and low output noise. It is designed to replace Zener diodes in many applications, offering better performance and reliability. Overall, the TLV431BQDBZR is valued for its precision, versatility, and efficiency in voltage reference applications.
Equivalent
1. LM431 - Commonly used in similar applications.
2. TL431 - A widely recognized alternative with similar functionality.
3. KA431 - Offers similar performance characteristics.
4. ZXRE330 - Another equivalent with comparable specifications.
Always check the datasheets to ensure compatibility with your specific application requirements, particularly regarding voltage, current, and temperature ratings.
Features
1. Adjustable Output Voltage: It allows for an output voltage range of 2.5V to 36V by using two external resistors.
2. Precision: The device offers a tight voltage tolerance with an accuracy of ±1% at 25°C, ensuring reliable performance in critical applications.
3. Temperature Stability: It maintains stable performance across a wide temperature range from -40°C to 125°C.
4. Low Output Impedance: The TLV431BQDBZR has a low output impedance of approximately 0.2Ω, which is beneficial for load regulation.
5. Package Type: It is available in a compact SOT-23 package, making it suitable for space-constrained designs.
6. Low Cathode Current: The device operates with a low minimum cathode current of about 80 μA, enhancing efficiency.
These features make the TLV431BQDBZR ideal for use in various applications, including power supplies, voltage monitoring, and adjustable voltage references.
Pinout
1. Pin Count: It has 3 pins.
2. Pin Functions:
- Cathode (K): This pin serves as the shunt regulator output and is connected to the cathode of the internal reference diode.
- Anode (A): This pin is the ground or reference point for the device, often connected to the negative side of the circuit.
- Reference (R): This pin allows the user to set the desired output voltage through an external resistor network. By adjusting the voltage on this pin, the output voltage can be programmed.
The TLV431BQDBZR is valued for its low voltage operation, precise voltage regulation, and small form factor, making it suitable for various precision electronics applications.
Manufacturer
Application
1. Voltage Regulation: Ensures stable voltage levels in power supplies and converters.
2. Precision Current Sources: Used in circuits that need stable and accurate current outputs.
3. Voltage Monitoring: Provides a reference for monitoring and controlling voltage levels.
4. Analog-to-Digital Converters (ADCs): Acts as a reference in ADCs for better accuracy.
5. Battery Chargers: Regulates voltage levels in battery charging circuits.
6. Instrumentation: Provides precise references in measurement and instrumentation systems.
Its low power consumption and adjustable voltage make it versatile across these applications.