LM431AIM3X

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LM431AIM3X

IC VREF SHUNT ADJ 2.2% SOT23-3

  • Fabricante
  • Mfr. Parte #LM431AIM3X
  • Paquete SOT23-3
  • Hoja de datos
  • En stock7981

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Especificaciones

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Obsolete
ReferenceType Shunt
OutputType Adjustable
Voltage-Output(Min/Fixed) 2.495V
Voltage-Output(Max) 37 V
Current-Output 100 mA
Tolerance ±2.2%
TemperatureCoefficient 50ppm/°C Typical
Current-Cathode 1 mA
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Descripción general

Description

The LM431AIM3X is a precision adjustable voltage reference device, commonly used in various electronic applications for voltage regulation. It is part of the LM431 series, designed to provide a stable reference voltage over a wide range of operating conditions. The device operates with an adjustable output voltage ranging from 2.5V to 36V and can deliver a typical output current of up to 100mA.
Key features of the LM431AIM3X include a low dynamic output impedance, wide operating temperature range, and excellent temperature stability. These characteristics make it suitable for use in voltage regulation circuits, shunt regulators, and error amplifiers. The device is commonly found in precision power supplies, switching power supplies, and other applications requiring a stable voltage reference.
Housed in a compact SOT-23 package, the LM431AIM3X is designed for ease of use in space-constrained applications. Its performance characteristics and small package size make it a popular choice for designers looking for an efficient and reliable voltage reference solution.

Features

The LM431AIM3X is a versatile, precision voltage reference device commonly used in various electronic applications. Key features include:
1. Adjustable Shunt Regulator: It provides an adjustable output voltage range from 2.5V to 36V, allowing flexibility in different circuit configurations.
2. Accuracy: The device offers a typical reference voltage tolerance of ±1% at 25°C, ensuring precise voltage regulation.
3. Temperature Stability: It maintains stable performance across a wide temperature range, typically from -25°C to +85°C.
4. Low Dynamic Output Impedance: With a typical output impedance of around 0.2Ω, it ensures minimal voltage variation with load changes.
5. Low Cathode Current: Operates efficiently with a minimum cathode current of 1mA, making it suitable for low-power applications.
6. Package Options: Available in a SOT-23 package, it offers compactness for space-constrained designs.
7. Applications: It's used in voltage regulation, adjustable power supplies, switching power supplies, and as a precision voltage reference in various electronic circuits.
These features make the LM431AIM3X a reliable choice for engineers designing precision voltage reference and regulation applications.

Package

The LM431AIM3X is typically available in a SOT-23-3 package type. This is a small outline transistor package with three pins, commonly used for its compact size and surface-mount design convenience in electronic circuits.

Pinout

The LM431AIM3X is a precision adjustable shunt regulator. It typically comes in a SOT-23-3 package, which has 3 pins. The functions of these pins are as follows:
1. Reference (Ref): This pin is used to set the reference voltage by connecting it to a voltage divider network.
2. Anode (A): This pin acts as the current sink for the device. The current through this pin is controlled to maintain a stable output voltage.
3. Cathode (K): This pin is typically connected to ground, and the regulated output voltage is taken with respect to this pin.
The LM431AIM3X is commonly used in voltage regulation applications where it provides an adjustable output voltage, achieved by varying the resistor network connected to the reference pin.

Manufacturer

The LM431AIM3X is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company known for designing and manufacturing semiconductors and various integrated circuits. It operates in more than 30 countries and is one of the largest producers of analog technology components, as well as embedded processors, which are used in a wide range of electronic devices. TI's products are a key component in industrial, automotive, personal electronics, and communications equipment.

Application

The LM431AIM3X is a precision voltage reference used in various applications, including voltage regulation, switching power supplies, and adjustable voltage references. It is commonly used in feedback networks for power supply regulation, precision current limiting, and as a precision comparator. Its versatility makes it suitable for use in consumer electronics, telecommunications, and industrial equipment, where stable voltage references are crucial.

Equivalent

The LM431AIM3X is a programmable shunt voltage reference. Equivalent products include:
1. TL431 (Texas Instruments)
2. TLVH431 (Texas Instruments)
3. LMV431 (Texas Instruments)
4. AZ431 (Diodes Incorporated)
5. AS431 (Diodes Incorporated)
6. KA431 (ON Semiconductor)
7. LM431 (ON Semiconductor)
8. KIA431 (KEC Corporation)
These alternatives offer similar functionality and are suitable for use in voltage regulation and reference applications. Always check the datasheets for specific electrical characteristics and pin configurations.

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