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TL431BIDR2G
+StücklisteIC VREF SHUNT ADJ 0.4% 8SOIC
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Herstellerteil #TL431BIDR2G
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Spezifikationen
| Attribut | Wert |
| Part Status | Active |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V |
| Current - Output | 100 mA |
| Tolerance | ±0.4% |
| Temperature Coefficient | 50ppm/°C Typical |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | TL431 |
| Current - Cathode | 1 mA |
| Voltage - Output (Max) | 36 V |
Übersicht
Description
This device is designed to operate with a wide input voltage range, typically from 2.5V to 36V, making it versatile for different circuit designs. The TL431 can be configured in different modes, such as a voltage regulator or as a comparator, allowing for flexibility in circuit applications.
It comes in a surface-mount package (SOT-23), making it suitable for space-constrained designs. Additionally, the TL431 is compatible with various feedback mechanisms, allowing it to stabilize and regulate output voltage efficiently. Overall, it is a reliable component widely used in consumer electronics, industrial controls, and automotive systems.
Equivalent
1. LM185/LM385 series
2. LM431
3. TLV431
4. LT1004
5. MCP1401
These alternatives provide similar functionality in voltage regulation and reference applications. Always verify specifications for compatibility in your specific use case.
Features
1. Voltage Reference: Provides a precise reference voltage of 1.24V, adjustable from 2.5V to 36V with external resistors.
2. High Accuracy: Offers low temperature coefficient and tight tolerance, typically around ±1%.
3. Wide Operating Current Range: Works with a cathode current from 1 mA to 100 mA, allowing flexibility in various applications.
4. Fast Response Time: Quick response to load changes, ensuring stability in voltage regulation.
5. Low Output Impedance: Ensures minimal variation in output voltage with changes in current.
6. Temperature Range: Operates effectively over a wide temperature range, from -40°C to 125°C.
7. Compact Package: Available in a small SOT-23 package, making it suitable for space-constrained designs.
The TL431BIDR2G is ideal for applications in power supplies, battery management, and voltage regulation circuits.
Pinout
1. Ref (Reference) - This pin is used to provide feedback to the internal comparator and can be connected to an external resistor divider to set the output voltage.
2. Cathode (K) - This is the output pin where the regulated voltage is available. It connects to the load and is responsible for sourcing current when the output is below the reference voltage.
3. Anode (A) - This pin connects to the ground or negative supply. It allows the shunt regulator to function by providing a path for the excess current.
The TL431 can be used in various applications, including power supplies, voltage regulation circuits, and as an adjustable voltage reference.
Manufacturer
Texas Instruments serves various markets, including automotive, industrial, communications, and consumer electronics. The company is particularly recognized for its expertise in analog technology, which is crucial for applications involving signal processing and power management. The TL431 is a programmable shunt voltage reference that can be used in various applications, such as power supplies and voltage regulation circuits. Texas Instruments is committed to innovation and has a strong focus on research and development to drive advancements in semiconductor technology.
Application
1. Power Supply Regulation: Acts as a voltage reference in linear power supplies and switching regulators.
2. Feedback Control: Provides feedback in control circuits for voltage regulation.
3. Battery Management Systems: Monitors and regulates battery voltages.
4. Data Acquisition Systems: Ensures stable reference voltages for ADCs.
5. Voltage Supervisors: Acts as a reset circuit for microcontrollers when voltage levels drop.
6. LED Drivers: Maintains constant current in LED applications.
Its precision and flexibility make it suitable for diverse electronic designs.