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TL431AQDBVR
+NomenclatureIC VREF SHUNT ADJ 1% SOT23-5
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FabricantTexas Instruments
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Pièce fabricant #TL431AQDBVR
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En stock4100
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V |
| Current - Output | 100 mA |
| Tolerance | ±1% |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| Base Product Number | TL431 |
| Current - Cathode | 700 µA |
| Voltage - Output (Max) | 36 V |
Présentation
Description
Key features include low output noise, wide temperature range, and high speed, making it ideal for applications like switching power supplies, battery chargers, and voltage reference circuits. The TL431 is often used in feedback loops to maintain stable output voltages, enhancing overall system performance.
In terms of packaging, the TL431AQDBVR comes in a compact SOT-23 format, allowing for efficient use of PCB space. Its ability to function in both linear and switching modes makes it versatile, catering to various electronic applications while ensuring reliability and efficiency.
Equivalent
Features
1. Reference Voltage: Offers a fixed reference voltage of 2.5V, adjustable via external resistors.
2. Accuracy: High initial accuracy of ±0.5% and low temperature coefficient, ensuring stable performance across temperature variations.
3. Wide Operating Range: Can operate from 2.5V to 36V, making it versatile for various applications.
4. Low Output Impedance: Typical output impedance of 0.2Ω, allowing for stable voltage regulation.
5. Temperature Range: Rated for operation over a wide temperature range, typically from -40°C to +125°C.
6. Applications: Suitable for use in power supply circuits, battery management systems, and as a voltage reference in precision instrumentation.
7. Package: Available in a compact SOT-23 package, facilitating easy integration into designs.
These features make the TL431AQDBVR an ideal choice for applications requiring reliable voltage regulation and reference.
Pinout
1. Ref (Reference): This pin provides a reference voltage output, typically set at 1.24V. It is used to compare against a feedback voltage in regulation applications.
2. Anode (A): The anode pin connects to the positive side of the load and is used to source current to the device.
3. Cathode (K): The cathode pin connects to the negative side or ground, allowing the device to shunt excess current and maintain a stable output voltage.
The TL431 operates within a voltage range of 2.5V to 36V and provides adjustable output voltage with a current sink capacity, making it suitable for voltage regulation, power supply circuits, and feedback control systems.
Manufacturer
The TL431 is a programmable shunt voltage reference widely used in power management applications, including voltage regulation and reference voltage generation. Texas Instruments is recognized for its innovation in the semiconductor industry and serves various markets, including automotive, industrial, communications, and consumer electronics. The company emphasizes research and development, contributing to its reputation for high-quality, reliable electronic components.
Application
1. Power Supply Regulation: Serves as a feedback element in switching power supplies and linear regulators.
2. Voltage Reference: Provides a stable reference voltage for precision measurements.
3. Battery Management Systems: Monitors and regulates battery voltages.
4. Signal Conditioning: Used in circuits to maintain consistent signal levels.
5. LED Drivers: Regulates current in LED lighting applications.
6. Telecommunications: Ensures stable operation of communication circuits.
Its versatility and precision make it suitable for both consumer and industrial applications.