LNK304PN integrated circuit: Features, Applications and datasheet

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Published: 13 October 2023 | Last Updated: 13 October 2023

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LNK304PN

LNK304PN

Power Integrations

8 Terminations 7 Pin AC to DC power converter LinkSwitch®-TN Series 1 Outputs 66kHz Min 85V V Max 265V V

Purchase Guide

8 Terminations 7 Pin AC to DC power converter LinkSwitch®-TN Series 1 Outputs 66kHz Min 85V V Max 265V V

LNK304PN is an integrated circuit (IC) designed for use in off-line and DC-to-DC converter applications. This article will introduce its features, applications and so on.

LNK304PN Description

The LNK304PN is an integrated circuit (IC) designed for use in off-line and DC-to-DC converter applications. It is a highly integrated switch and is the lowest cost and component count buck converter solution.


LNK304PN Pinout

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LNK304PN CAD model

Footprint

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CAD Model

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LNK304PN Features

  • Integrated Switcher

  • Primary-Side Regulation

  • Very Low Standby Power Consumption

  • Auto-Restart Protection Mode

  • Frequency Jittering for EMI Reduction


Specifications

Power Integrations LNK304PN technical specifications, attributes, parameters and parts with similar specifications to Power Integrations LNK304PN.
  • Type
    Parameter
  • Factory Lead Time
    4 Weeks
  • 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
  • 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
  • Package / Case

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

    8-DIP (0.300, 7.62mm), 7 Leads
  • Number of Pins
    7
  • Weight
    2.26799g
  • 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.

    -40°C~150°C TJ
  • 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
  • Series

    In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.

    LinkSwitch®-TN
  • Published
    2008
  • 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.

    e3
  • Pbfree Code

    The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.

    yes
  • Part Status

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

    Active
  • 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
  • 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
  • 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.

    Matte Tin (Sn)
  • Additional Feature

    Any Feature, including a modified Existing Feature, that is not an Existing Feature.

    REQUIRES AN AC SUPPLY OF 85 TO 256V
  • Max Power Dissipation

    The maximum power that the MOSFET can dissipate continuously under the specified thermal conditions.

    12mW
  • 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
  • Number of Functions
    1
  • Terminal Pitch

    The center distance from one pole to the next.

    2.54mm
  • Pin Count

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

    8
  • JESD-30 Code

    JESD-30 Code refers to a standardized descriptive designation system established by JEDEC for semiconductor-device packages. This system provides a systematic method for generating designators that convey essential information about the package's physical characteristics, such as size and shape, which aids in component identification and selection. By using JESD-30 codes, manufacturers and engineers can ensure consistency and clarity in the specification of semiconductor packages across various applications and industries.

    R-PDIP-T8
  • 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.

    12V
  • 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.

    Adjustable
  • Voltage

    Voltage is a measure of the electric potential difference between two points in an electrical circuit. It is typically represented by the symbol "V" and is measured in volts. Voltage is a crucial parameter in electronic components as it determines the flow of electric current through a circuit. It is responsible for driving the movement of electrons from one point to another, providing the energy needed for electronic devices to function properly. In summary, voltage is a fundamental concept in electronics that plays a key role in the operation and performance of electronic components.

    9V
  • 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.

    SWITCHING REGULATOR
  • Operating Supply Current

    Operating Supply Current, also known as supply current or quiescent current, is a crucial parameter in electronic components that indicates the amount of current required for the device to operate under normal conditions. It represents the current drawn by the component from the power supply while it is functioning. This parameter is important for determining the power consumption of the component and is typically specified in datasheets to help designers calculate the overall power requirements of their circuits. Understanding the operating supply current is essential for ensuring proper functionality and efficiency of electronic systems.

    200μA
  • Output Current

    The rated output current is the maximum load current that a power supply can provide at a specified ambient temperature. A power supply can never provide more current that it's rated output current unless there is a fault, such as short circuit at the load.

    170mA
  • Topology

    In the context of electronic components, "topology" refers to the arrangement or configuration of the components within a circuit or system. It defines how the components are connected to each other and how signals flow between them. The choice of topology can significantly impact the performance, efficiency, and functionality of the electronic system. Common topologies include series, parallel, star, mesh, and hybrid configurations, each with its own advantages and limitations. Designers carefully select the appropriate topology based on the specific requirements of the circuit to achieve the desired performance and functionality.

    Buck, Buck-Boost, Flyback
  • 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.

    85V
  • Frequency - Switching

    "Frequency - Switching" in electronic components refers to the rate at which a device, such as a transistor or switching regulator, turns on and off during operation. This parameter is crucial in determining the efficiency and performance of power converters, oscillators, and other circuits that rely on rapid switching. Higher switching frequencies typically allow for smaller component sizes but may require more advanced design considerations to manage heat and electromagnetic interference.

    66kHz
  • 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.

    265V
  • Control Technique

    In electronic components, "Control Technique" refers to the method or approach used to regulate and manage the operation of the component. This parameter is crucial in determining how the component functions within a circuit or system. Different control techniques can include analog control, digital control, pulse-width modulation (PWM), and various feedback mechanisms. The choice of control technique can impact the performance, efficiency, and overall functionality of the electronic component. It is important to select the appropriate control technique based on the specific requirements and characteristics of the application in which the component will be used.

    PULSE WIDTH MODULATION
  • Internal Switch(s)

    The term "Internal Switch(s)" in electronic components typically refers to a built-in mechanism within a device that allows for the control of electrical current flow. These internal switches can be used to turn circuits on or off, change the direction of current, or regulate the flow of electricity within the component. They are often designed to be controlled externally, either manually or automatically, to enable various functions or operations within the electronic device. Internal switches play a crucial role in the overall functionality and performance of electronic components by providing a means to manage and manipulate electrical signals effectively.

    Yes
  • Fault Protection

    Protection against electric shock under. single fault conditions.

    Current Limiting, Open Loop, Over Temperature, Short Circuit
  • Max Duty Cycle

    Max Duty Cycle refers to the maximum percentage of time that an electronic component, such as a switch or a power supply, can be in an "on" state during a defined time period. It is an important parameter in pulse-width modulated (PWM) systems and helps determine how often a device can operate without overheating or sustaining damage. By specifying the maximum duty cycle, manufacturers provide guidance on the safe operational limits of the component, ensuring reliability and efficiency in various applications.

    72 %
  • Max Supply Voltage (AC)

    Max Supply Voltage (AC) refers to the maximum alternating current voltage that an electronic component can safely handle without risk of damage or failure. This parameter ensures the component operates within its designed voltage range and prevents overheating or breakdown. Exceeding the maximum supply voltage can lead to degradation of performance or complete failure of the component. It is crucial for designers to consider this specification when integrating components into electronic circuits to maintain reliability and safety.

    265V
  • Duty Cycle

    the percentage of the ratio of pulse duration, or pulse width (PW) to the total period (T) of the waveform.

    69%
  • Output Isolation

    Output isolation in electronic components refers to the degree to which the output signal is electrically separated or isolated from the input signal or other parts of the circuit. This isolation is important for preventing interference, noise, or voltage fluctuations from affecting the output signal. It helps maintain signal integrity and ensures that the output remains stable and accurate. Output isolation can be achieved through various methods such as using transformers, optocouplers, or isolation amplifiers to physically separate the input and output circuits electrically. This parameter is particularly crucial in applications where there is a need to protect sensitive components or ensure reliable communication between different parts of a system.

    Non-Isolated
  • Voltage - Breakdown

    Voltage - Breakdown is a parameter that refers to the maximum voltage that an electronic component can withstand before it breaks down and allows current to flow through it uncontrollably. This breakdown voltage is a critical specification for components like diodes, transistors, and capacitors, as exceeding this voltage can lead to permanent damage or failure of the component. Manufacturers typically provide this information in datasheets to help engineers and designers ensure the proper operation and reliability of their circuits. It is important to consider the breakdown voltage when designing circuits to prevent overvoltage conditions that could compromise the performance and longevity of the components.

    700V
  • Min Input Voltage (AC)

    Min Input Voltage (AC) refers to the minimum alternating current voltage level required for an electronic component or device to operate correctly. This parameter is crucial for ensuring that the component receives adequate power for its intended function. If the input voltage falls below this threshold, the device may not turn on or could function improperly. It is an important consideration in the design and selection of power supply systems for electronic applications.

    85V
  • Max Input Voltage (AC)

    The parameter "Max Input Voltage (AC)" in electronic components refers to the maximum alternating current voltage that the component can safely handle without getting damaged. This specification is crucial for ensuring the reliability and longevity of the component in a circuit. Exceeding the maximum input voltage can lead to overheating, breakdown, or even permanent damage to the component. It is important to carefully consider this parameter when designing or selecting components for a circuit to prevent any potential issues related to voltage spikes or fluctuations.

    265V
  • Min Supply Voltage (AC)

    Min Supply Voltage (AC) refers to the minimum alternating current voltage required for an electronic component or device to function properly. It ensures that the device operates within its designed specifications and performance parameters. Operating below this voltage may result in insufficient performance, malfunction, or potential damage to the component. This parameter is critical for ensuring compatibility with power sources and maintaining reliability in electronic applications.

    85V
  • Height
    3.68mm
  • Length
    9.83mm
  • Width
    6.6mm
  • 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
  • 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.

    RoHS 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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LNK304P-TL

Switching Regulator, 0.4A, 70kHz Switching Freq-Max, PDIP8, PLASTIC, DIP-8

Power Integrations


LNK304PN Applications

  • AC-DC Adapters

  • LED Drivers

  • Auxiliary Power Supplies

  • Battery Chargers

  • White Goods

LNK304PN Manufacturer

Power Integrations is a semiconductor company that specializes in the design and manufacture of integrated circuits (ICs) for power conversion and energy-efficient electronics. The company was founded in 1988 and has its headquarters in San Jose, California, USA. Power Integrations is known for its innovative power management and power conversion solutions, particularly in the field of offline power supplies.

The core mission of Power Integrations is to develop and provide advanced power management technologies and ICs that enable the creation of energy-efficient and environmentally responsible electronic devices. These ICs are designed to improve power conversion efficiency, reduce energy consumption, and enhance the performance of various applications, ultimately contributing to a more sustainable and eco-friendly future.


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Datasheet PDF

Download datasheets and manufacturer documentation for Power Integrations LNK304PN.
Frequently Asked Questions

What are the typical applications of LNK304PN?

Typical applications include AC-DC adapters, LED drivers, battery chargers, power supplies for consumer electronics, and various low-power offline power supply designs. 

How do I calculate the output voltage using LNK304PN?

The output voltage can be calculated based on the transformer turns ratio and the input voltage. Refer to the datasheet and application notes for detailed design calculations.

What safety features are included in LNK304PN?

LNK304PN typically includes safety features such as input overvoltage protection, thermal shutdown, and automatic restart after a fault condition.
LNK304PN

Power Integrations

In Stock: 32936

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