STMicroelectronics LM334D
STMicroelectronics LM334D
LM134,234,334 Outline Dimensions_1
LM134,234,334 Outline Dimensions_2
LM134,234,334 Outline Dimensions_3
LM134,234,334 Outline Dimensions_4
LM134,234,334 Outline Dimensions_5
LM134,234,334  Pinout Diagram_1
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STMicroelectronics LM334D

Current regulation 8 Pin Current Regulator IC

Manufacturer No:

LM334D

Manufacturer:

STMicroelectronics

Utmel No:

2381-LM334D

Package:

8-SOIC (0.154, 3.90mm Width)

Datasheet:

LM134,234,334

ECAD Model:

Description:

8 Terminations 8 Pin LM334 Current regulator 1 Outputs 0°C~70°C Max 40V

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LM334D information

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STMicroelectronics LM334D technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics LM334D.
  • Type
    Parameter
  • Mount

    In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

    Surface Mount
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    8-SOIC (0.154, 3.90mm Width)
  • Number of Pins
    8
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    0°C~70°C
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tube
  • JESD-609 Code

    The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

    e4
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Obsolete
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Number of Terminations
    8
  • Terminal Finish

    Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.

    Nickel/Palladium/Gold (Ni/Pd/Au)
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    DUAL
  • Terminal Form

    Occurring at or forming the end of a series, succession, or the like; closing; concluding.

    GULL WING
  • Peak Reflow Temperature (Cel)

    Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.

    260
  • Time@Peak Reflow Temperature-Max (s)

    Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.

    30
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    LM334
  • Function

    The parameter "Function" in electronic components refers to the specific role or purpose that the component serves within an electronic circuit. It defines how the component interacts with other elements, influences the flow of electrical signals, and contributes to the overall behavior of the system. Functions can include amplification, signal processing, switching, filtering, and energy storage, among others. Understanding the function of each component is essential for designing effective and efficient electronic systems.

    Current Source
  • Number of Outputs
    1
  • Output Voltage

    Output voltage is a crucial parameter in electronic components that refers to the voltage level produced by the component as a result of its operation. It represents the electrical potential difference between the output terminal of the component and a reference point, typically ground. The output voltage is a key factor in determining the performance and functionality of the component, as it dictates the level of voltage that will be delivered to the connected circuit or load. It is often specified in datasheets and technical specifications to ensure compatibility and proper functioning within a given system.

    20V
  • Max Output Current

    The maximum current that can be supplied to the load.

    10mA
  • Supply Voltage-Min (Vsup)

    The parameter "Supply Voltage-Min (Vsup)" in electronic components refers to the minimum voltage level required for the component to operate within its specified performance range. This parameter indicates the lowest voltage that can be safely applied to the component without risking damage or malfunction. It is crucial to ensure that the supply voltage provided to the component meets or exceeds this minimum value to ensure proper functionality and reliability. Failure to adhere to the specified minimum supply voltage may result in erratic behavior, reduced performance, or even permanent damage to the component.

    1V
  • Max Supply Voltage

    In general, the absolute maximum common-mode voltage is VEE-0.3V and VCC+0.3V, but for products without a protection element at the VCC side, voltages up to the absolute maximum rated supply voltage (i.e. VEE+36V) can be supplied, regardless of supply voltage.

    40V
  • Analog IC - Other Type

    Analog IC - Other Type is a parameter used to categorize electronic components that are integrated circuits (ICs) designed for analog signal processing but do not fall into more specific subcategories such as amplifiers, comparators, or voltage regulators. These ICs may include specialized analog functions such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), voltage references, or signal conditioning circuits. They are typically used in various applications where precise analog signal processing is required, such as in audio equipment, instrumentation, communication systems, and industrial control systems. Manufacturers provide detailed specifications for these components to help engineers select the most suitable IC for their specific design requirements.

    ANALOG CIRCUIT
  • Element Configuration

    The distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals.

    Single
  • Nominal Supply Current

    Nominal current is the same as the rated current. It is the current drawn by the motor while delivering rated mechanical output at its shaft.

    10mA
  • Max Supply Current

    Max Supply Current refers to the maximum amount of electrical current that a component can draw from its power supply under normal operating conditions. It is a critical parameter that ensures the component operates reliably without exceeding its thermal limits or damaging internal circuitry. Exceeding this current can lead to overheating, performance degradation, or failure of the component. Understanding this parameter is essential for designing circuits that provide adequate power while avoiding overload situations.

    10mA
  • Accuracy

    Accuracy in electronic components refers to the degree to which a measured value agrees with the true or accepted value. It evaluates the precision of a component in providing correct output or measurement under specified conditions. High accuracy indicates minimal deviation from the actual value, while low accuracy shows significant error in measurement. This parameter is crucial in applications where precise data is essential for reliable performance and decision-making.

    ±3%
  • Min Input Voltage

    The parameter "Min Input Voltage" in electronic components refers to the minimum voltage level that must be applied to the component for it to operate within its specified parameters. This value is crucial as providing a voltage below this minimum threshold may result in the component malfunctioning or not functioning at all. It is important to adhere to the specified minimum input voltage to ensure the proper operation and longevity of the electronic component. Failure to meet this requirement may lead to potential damage to the component or the overall system in which it is used.

    1V
  • Max Input Voltage

    Max Input Voltage refers to the maximum voltage level that an electronic component can safely handle without getting damaged. This parameter is crucial for ensuring the proper functioning and longevity of the component. Exceeding the specified maximum input voltage can lead to overheating, electrical breakdown, or permanent damage to the component. It is important to carefully adhere to the manufacturer's guidelines regarding the maximum input voltage to prevent any potential issues and maintain the reliability of the electronic device.

    30V
  • Reference Type

    a code object that is not stored directly where it is created, but that acts as a kind of pointer to a value stored elsewhere.

    Adjustable
  • Min Output Voltage

    Min Output Voltage refers to the lowest voltage level that an electronic component, such as a voltage regulator or power supply, can provide reliably under specified conditions. It indicates the minimum threshold required for proper operation of connected devices. Operating below this voltage may lead to device malfunction or failure to operate as intended.

    1V
  • Height
    1.25mm
  • Length
    4.9mm
  • Width
    3.9mm
  • Radiation Hardening

    Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.

    No
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
  • Lead Free

    Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.

    Lead Free
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Download datasheets and manufacturer documentation for STMicroelectronics LM334D.

Product Description: STMicroelectronics LM334D

1. Description

The STMicroelectronics LM334D is a highly accurate, adjustable current source integrated circuit (IC) designed for a wide range of applications requiring precise current regulation. This analog circuit, based on the base part number LM334, offers exceptional stability and reliability, making it an ideal component for various electronic systems.

2. Features

  • Accuracy: The LM334D boasts an accuracy of ±3%, ensuring reliable performance in critical applications.
  • Function: It functions as a current source, providing a stable output current.
  • Operating Temperature: The IC operates within a temperature range of 0°C to 70°C, making it suitable for general-purpose use.
  • Supply Voltage: It can handle a maximum supply voltage of 40V and a minimum input voltage of 1V.
  • Output Specifications: The LM334D delivers a nominal output current of 10mA and can be adjusted to various output voltages.
  • Package & Mounting: Available in an 8-SOIC package with surface mount technology, facilitating easy integration into modern electronic designs.
  • Lead-Free & RoHS Compliant: The part is lead-free and compliant with ROHS3 standards, ensuring environmental sustainability.

3. Applications

The LM334D is versatile and can be used in several primary and secondary applications:

Primary Applications: - Voltage Regulators: As a current source, it can be used in voltage regulator circuits to provide stable reference currents. - Test Equipment: Ideal for calibration and testing purposes due to its high accuracy. - Medical Devices: Used in medical instrumentation where precise current control is crucial.

Secondary Applications: - Audio Equipment: In audio circuits where stable current sources are required. - Industrial Control Systems: For precise control over current levels in industrial automation systems.

4. Alternative Parts

While the LM334D is an obsolete part, some alternative parts that offer similar functionality include:

  • LM336: Another adjustable current source from STMicroelectronics with a similar configuration but slightly different specifications.
  • TL431: A voltage reference IC from Texas Instruments that can also be used as a current source in certain applications.

5. Embedded Modules

The LM334D is not typically used as an embedded module but rather as a standalone IC component. However, it may be integrated into various electronic modules or systems requiring precise current regulation:

  • Voltage Regulator Modules: Integrated voltage regulator modules might include the LM334D as part of their internal circuitry.
  • Test & Measurement Instruments: Specialized test equipment often incorporate components like the LM334D for calibration purposes.

In summary, the STMicroelectronics LM334D remains a reliable choice for applications requiring precise current regulation despite being an obsolete part. Its accuracy and stability make it suitable for a wide range of electronic systems from medical devices to industrial control systems.

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