LM336 2.5V Regulator Diodes: Datasheet, Reference and Circuit

UTMEL

Published: 22 September 2021 | Last Updated: 22 September 2021

7488

LM336Z

LM336Z

STMicroelectronics

0°C~70°C TA Fixed PMIC LM336 1 Channel TO-226-3, TO-92-3 (TO-226AA)

Purchase Guide

0°C~70°C TA Fixed PMIC LM336 1 Channel TO-226-3, TO-92-3 (TO-226AA)

LM336 is a 2.5V reference voltage diode. This article mainly covers datasheet, pinout, circuit, and reference of 2.5V voltage diode. Furthermore, there is a huge range of Semiconductors, Capacitors, Resistors, and Ics in stock. Welcome RFQ!

Since having a look at the LM317 I found a diagram using the LM336Z, but what is it.  So I have had a look into this item, turns out to be a voltage reference of some sort sporting a 2.5V and 5V version.  So this is a basic overview of them but hopefully it will give folk some ideas on use and if you have a few ideas put them in the comments.

Reference Diode to Shunt Regulator LM336Z

LM336 Pinout

lm336 pinout.png

LM336 Pinout

Pin NumberPin NameDescription
1ADJAdjacent pin – used   to adjust breakdown voltage
2Positive (+)Cathode pin of   internal Zener Diode
3Negative (-)Anode pin of internal   Zener Diode


LM336 CAD Model

Symbol

lm336 symbol.png

Symbol


Footprint

lm336 footprint.png

Footprint

3D Model

lm336 3d model.png

3D Model


LM336 Description

The LM336 is a precision 2.5V regulator diode that is commonly used in Voltage reference designs. These voltage reference monolithic ICs operate like 2.5V Zener diodes with a low-temperature coefficient and a dynamic impedance of 0.2Ω. A third pin enables adjusting the reference voltage and the temperature coefficient. Also, check TI's LM336


Specifications

STMicroelectronics LM336Z technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics LM336Z.
  • Type
    Parameter
  • Package / Case

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

    TO-226-3, TO-92-3 (TO-226AA)
  • 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.

    Through Hole
  • 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.

    Through Hole
  • Number of Pins
    3
  • 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.

    Bulk
  • 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 TA
  • Tolerance

    In electronic components, "tolerance" refers to the acceptable deviation or variation from the specified or ideal value of a particular parameter, such as resistance, capacitance, or voltage. It indicates the range within which the actual value of the component can fluctuate while still being considered acceptable for use in a circuit. Tolerance is typically expressed as a percentage or a specific value and is important for ensuring the accuracy and reliability of electronic devices. Components with tighter tolerances are more precise but may also be more expensive. It is crucial to consider tolerance when selecting components to ensure proper functionality and performance of the circuit.

    ±4.02%
  • 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.

    e0
  • 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
    3
  • Termination

    Termination in electronic components refers to the practice of matching the impedance of a circuit to prevent signal reflections and ensure maximum power transfer. It involves the use of resistors or other components at the end of transmission lines or connections. Proper termination is crucial in high-frequency applications to maintain signal integrity and reduce noise.

    Through Hole
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    EAR99
  • Temperature Coefficient

    The resistance-change factor per degree Celsius of temperature change is called the temperature coefficient of resistance. This factor is represented by the Greek lower-case letter “alpha” (α). A positive coefficient for a material means that its resistance increases with an increase in temperature.

    54 ppm/°C
  • 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.

    Tin/Lead (Sn/Pb)
  • 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.

    BOTTOM
  • Number of Functions
    1
  • 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.

    LM336
  • Pin Count

    a count of all of the component leads (or pins)

    3
  • 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.

    2.5V
  • Output Type

    The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.

    Fixed
  • Number of Channels
    1
  • Trim/Adjustable Output

    Trim or adjustable output refers to the ability of an electronic component, such as a voltage regulator or power supply, to produce an output voltage that can be finely tuned or adjusted to meet specific requirements. This feature allows for precise control over the output voltage level, accommodating variations in load conditions or desired operational parameters. Users can typically achieve this adjustment through external resistors, potentiometers, or internal calibration mechanisms, ensuring optimal performance in diverse applications.

    YES
  • 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.

    TWO TERMINAL VOLTAGE REFERENCE
  • 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 Output Voltage

    The maximum output voltage refers to the dynamic area beyond which the output is saturated in the positive or negative direction, and is limited according to the load resistance value.

    2.49V
  • Reference Voltage

    A voltage reference is an electronic device that ideally produces a fixed (constant) voltage irrespective of the loading on the device, power supply variations, temperature changes, and the passage of time. Voltage references are used in power supplies, analog-to-digital converters, digital-to-analog converters, and other measurement and control systems. Voltage references vary widely in performance; a regulator for a computer power supply may only hold its value to within a few percent of the nominal value, whereas laboratory voltage standards have precisions and stability measured in parts per million.

    2.5V
  • 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.

    Shunt
  • Nominal Input Voltage

    The actual voltage at which a circuit operates can vary from the nominal voltage within a range that permits satisfactory operation of equipment. The word “nominal” means “named”.

    2.5V
  • Current - Cathode

    Current - Cathode refers to the flow of electric current through the cathode terminal of an electronic component, such as a diode or a vacuum tube. It represents the amount of charge carriers, typically electrons, moving towards the cathode during operation. This parameter is crucial for determining the component's functionality and performance characteristics, as it influences the efficiency and stability of the circuit. High cathode current can indicate increased power consumption or potential overheating issues if not managed properly.

    400μA
  • RoHS Status

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

    ROHS3 Compliant
  • 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
  • REACH SVHC

    The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.

    No SVHC
  • 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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LM336 Schematic Diagram

lm336 schematic diagram.png

LM336 Schematic Diagram

LM336 Features

  • Low-temperature coefficient

  • The wide operating current of 400µA to 10mA

  • 0.2Ω dynamic impedance

  • Guaranteed temperature stability

  • Fast turn-on


LM336 Applications

  • Op-Amp Reference Voltage

  • Switching regulator voltage reference

  • ADC/DAC designs

  • Reference voltage for Sensor calibration


How to use LM336

The LM336 series voltage references are much easier to use than ordinary Zener diodes. Their low impedance and wide operating current range simplify biasing in almost any circuit.

Further, either the breakdown voltage or the temperature coefficient can be adjusted to optimize circuit performance.

lm336 2.5v reference.png

LM336 2.5V  Reference

lm336 wide input range reference.png

LM336 Wide Input Range Reference

lm336 with minimun temperature coefficient.png

LM336 With Minimum Temperature Coefficient

LM336 Package

lm336 package.png

LM336 Package

LM336 Manufacturer

STMicroelectronics is a French-Italian multinational electronics and semiconductors manufacturer headquartered in Plan-les-Ouates near Geneva, Switzerland.


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Datasheet PDF

Frequently Asked Questions

What is LM336 used for?

The LM336 is a general-purpose shunt regulator diode designed to operate over a wide current range while maintaining good stability with time and temperature.

How does LM336 work?

The LM336 is a general-purpose shunt regulator diode designed to operate over a wide current range while maintaining good stability with time and temperature. Because it operates as a shunt regulator it can be used equally well as a positive or negative reference.

What is the application of LM336?

The LM336 is commonly used in 5V digital systems to provide 2.5V reference voltage; also since it operates as a shunt regulator it can provide both positive and negative voltage references.
LM336Z

STMicroelectronics

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