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LMV431AIM5
+NomenclatureIC VREF SHUNT ADJ 1% SOT23-5
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FabricantTexas Instruments
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Pièce fabricant #LMV431AIM5
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Package SOT-23-5
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En stock1554
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Not For New Designs |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 1.24V |
| Voltage - Output (Max) | 30 V |
| Current - Output | 15 mA |
| Tolerance | ±1% |
| Current - Cathode | 80 µA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features include:
1. Adjustable Output: The LMV431AIM5 allows for an adjustable output voltage, typically set using an external voltage divider network. The reference voltage is approximately 1.24V.
2. Precision: The device offers high accuracy and stability, which is crucial for precision applications.
3. Package and Size: It is typically available in a compact SOT-23-5 package, making it suitable for space-constrained designs.
4. Temperature Range: It operates over a wide temperature range, ensuring reliable performance under various environmental conditions.
Applications of the LMV431AIM5 include battery management systems, LED drivers, and as a reference in A/D converters. Its versatility and precision make it a popular choice in industrial and consumer electronics for voltage regulation tasks.
Equivalent
Features
1. Adjustable Output Voltage: It can be set to a wide range of voltages, typically from 1.24V to 18V, using two external resistors.
2. Precision Reference: It has a precise 1.24V reference voltage with a tight tolerance, allowing for accurate voltage regulation.
3. Low Operating Current: The device operates with a low quiescent current, making it suitable for battery-powered applications.
4. Wide Temperature Range: The LMV431AIM5 is designed to function effectively over a wide temperature range, typically from -40°C to +85°C.
5. Stability: It offers stable operation with capacitive loads, ensuring reliable performance in various circuit configurations.
6. Package: It is available in a SOT-23-5 package, which is compact and ideal for space-constrained applications.
7. Current Capability: The device can sink up to 100 mA, providing flexibility in handling different load conditions.
8. Application Versatility: Commonly used in power supplies, voltage monitoring, and as a reference in analog-to-digital converters.
These features make the LMV431AIM5 a versatile component for precise voltage regulation tasks in electronic circuits.
Pinout
1. Pin 1 (Ref): This is the reference pin. It is used to set the voltage at which the device conducts, typically connected to the anode of the feedback resistor network.
2. Pin 2 (Anode): The anode pin is where the current flows into the device. It is usually connected to the negative side of the power supply.
3. Pin 3 (Cathode): The cathode pin is where the regulated current flows out of the device. It is usually connected to the load or ground in the circuit.
4. Pin 4 (NC): This pin is not connected internally in the device and is typically left floating or grounded.
5. Pin 5 (GND): This pin is often used as a ground or common connection in the circuit, though in some configurations it may not be internally connected.
The LMV431AIM5 is used in circuits requiring a stable voltage reference, functioning similarly to a Zener diode but with an adjustable output.
Manufacturer
Application
1. Voltage Regulation: Acts as a reference voltage source in power supply circuits to maintain stable output despite variations.
2. Precision Current Limiters: Provides accurate current regulation in constant current applications.
3. Analog-to-Digital Converters (ADC): Offers a stable reference for enhancing ADC accuracy.
4. Battery Management Systems: Assists in monitoring and controlling battery voltage levels.
5. Instrumentations: Used in precision measurement devices requiring stable voltage references.
These applications benefit from its low power consumption, precision, and temperature stability features.