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LM431CIM3X
+StücklisteIC VREF SHUNT -0.6/+0.4% SOT23-3
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HerstellerTexas Instruments
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Herstellerteil #LM431CIM3X
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Datenblatt LM431CIM3X DataSheet
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Auf Lager9872
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Spezifikationen
| Attribut | Wert |
| Part Status | Obsolete |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.5V |
| Current - Output | 100 mA |
| Tolerance | -0.6%, +0.4% |
| Temperature Coefficient | 50ppm/°C Typical |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 |
| Base Product Number | LM431 |
| Current - Cathode | 1 mA |
| Voltage - Output (Max) | 37 V |
Übersicht
Description
Housed in a compact SOT-23 package, the LM431CIM3X is suitable for space-constrained applications. It is commonly used in voltage regulation, power supply circuits, and as a precision voltage reference in analog-to-digital converters and other precision circuitry.
The LM431CIM3X's temperature stability and low dynamic impedance contribute to its reliability and efficiency in maintaining a stable output voltage despite changes in temperature or load conditions. This makes it ideal for use in consumer electronics, industrial controls, and communication devices. Its robust performance characteristics help in achieving precise voltage control, enhancing the overall performance and reliability of electronic systems.
Equivalent
Features
1. Adjustable Output Voltage: The device can be set to output voltages ranging from 2.5V to 36V by using two external resistors.
2. High Precision: It offers a typical output voltage tolerance of ±1% at 25°C, ensuring accurate voltage regulation.
3. Wide Operating Temperature Range: The LM431CIM3X operates effectively over a temperature range of -40°C to +85°C, making it suitable for various environments.
4. Low Output Impedance: It provides a low output impedance of approximately 0.2 ohms, beneficial for maintaining stable operation under a range of load conditions.
5. Current Capability: The device can sink currents up to 100 mA, offering flexibility for different application needs.
6. Compact Package: Available in a 3-pin SOT-23 package, the LM431CIM3X is ideal for space-constrained applications.
These features make the LM431CIM3X suitable for use in voltage regulation, power supply design, and other electronic applications requiring a stable reference voltage.
Pinout
The three pins are configured as follows:
1. Reference (Ref): This pin is used to adjust the output voltage. By connecting this pin to a resistor divider network, users can set the desired reference voltage level.
2. Anode (A): This pin is typically connected to the ground in most circuits.
3. Cathode (K): This is the output pin and is connected to the load or the point in the circuit where the regulated voltage is needed.
The LM431CIM3X is designed for applications that require a stable reference voltage, such as in switching power supplies and other precision voltage regulation tasks.