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Analog Devices LTC4257CDD-1#TRPBF

Manufacturer No:

LTC4257CDD-1#TRPBF

Manufacturer:

Analog Devices

Utmel No:

153-LTC4257CDD-1#TRPBF

Package:

DFN-8

ECAD Model:

Description:

LTC4257CDD-1#TRPBF datasheet pdf and PMIC - Power Over Ethernet (PoE) Controllers product details from Analog Devices stock available at Utmel

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LTC4257CDD-1#TRPBF information

Specifications
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Product Details
Analog Devices LTC4257CDD-1#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices LTC4257CDD-1#TRPBF.
  • Type
    Parameter
  • Lifecycle Status

    Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.

    Production (Last Updated: 1 month ago)
  • Package / Case

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

    DFN-8
  • 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
  • Surface Mount

    having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.

    YES
  • Number of Pins
    8
  • Supplier Device Package

    The parameter "Supplier Device Package" in electronic components refers to the physical packaging or housing of the component as provided by the supplier. It specifies the form factor, dimensions, and layout of the component, which are crucial for compatibility and integration into electronic circuits and systems. The supplier device package information typically includes details such as the package type (e.g., DIP, SOP, QFN), number of pins, pitch, and overall size, allowing engineers and designers to select the appropriate component for their specific application requirements. Understanding the supplier device package is essential for proper component selection, placement, and soldering during the manufacturing process to ensure optimal performance and reliability of the electronic system.

    8-DFN (3x3)
  • Number of Terminals
    8
  • Manufacturer Lifecycle Status
    PRODUCTION (Last Updated: 1 month ago)
  • RoHS
    Compliant
  • Factory Pack QuantityFactory Pack Quantity
    2500
  • Mounting Styles
    SMD/SMT
  • Manufacturer
    Analog Devices Inc.
  • Brand
    Analog Devices
  • Package
    Tape & Reel (TR)
  • Base Product Number

    "Base Product Number" (BPN) refers to the fundamental identifier assigned to a component by the manufacturer. This number is used to identify a specific product family or series of components that share common features, characteristics, or functionality. The BPN is usually part of a larger part number or order code that includes additional information, such as variations in packaging, tolerance, voltage ratings, and other specifications.

    LTC4257
  • Mfr
    Analog Devices Inc.
  • Product Status
    Active
  • Package Description
    VSON,
  • Package Style
    SMALL OUTLINE, VERY THIN PROFILE
  • Risk Rank
    5.22
  • Ihs Manufacturer
    ANALOG DEVICES INC
  • Part Life Cycle Code
    Active
  • Package Shape
    SQUARE
  • Package Code
    VSON
  • Manufacturer Part Number
    LTC4257CDD-1#TRPBF
  • Rohs Code
    Yes
  • Operating Temperature-Max
    70 °C
  • Reflow Temperature-Max (s)
    30
  • Manufacturer Package Code
    05-08-1698
  • Package Body Material
    PLASTIC/EPOXY
  • Moisture Sensitivity Levels
    1
  • 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.

    Tape & Reel (TR)
  • 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.

    LTC4257-1
  • 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
  • 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.

    No
  • Type
    Powered Device - PD
  • 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)
  • Max Operating Temperature

    The Maximum Operating Temperature is the maximum body temperature at which the thermistor is designed to operate for extended periods of time with acceptable stability of its electrical characteristics.

    70 °C
  • Min Operating Temperature

    The "Min Operating Temperature" parameter in electronic components refers to the lowest temperature at which the component is designed to operate effectively and reliably. This parameter is crucial for ensuring the proper functioning and longevity of the component, as operating below this temperature may lead to performance issues or even damage. Manufacturers specify the minimum operating temperature to provide guidance to users on the environmental conditions in which the component can safely operate. It is important to adhere to this parameter to prevent malfunctions and ensure the overall reliability of the electronic system.

    0 °C
  • Additional Feature

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

    REQUIRES A NEGATIVE SUPPLY OF 48V
  • Subcategory
    Switch ICs
  • Voltage - Supply

    Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.

    57V (Max)
  • 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.

    NO LEAD
  • 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
  • Number of Functions
    1
  • Terminal Pitch

    The center distance from one pole to the next.

    0.5 mm
  • Depth

    In electronic components, "Depth" typically refers to the measurement of the distance from the front to the back of the component. It is an important parameter to consider when designing or selecting components for a project, as it determines how much space the component will occupy within a circuit or device. The depth of a component can impact the overall size and layout of the circuit board or enclosure in which it will be installed. It is usually specified in millimeters or inches and is crucial for ensuring proper fit and functionality within the intended application.

    3 mm
  • Reach Compliance Code

    Reach Compliance Code refers to a designation indicating that electronic components meet the requirements set by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation in the European Union. It signifies that the manufacturer has assessed and managed the chemical substances within the components to ensure safety and environmental protection. This code is vital for compliance with regulations aimed at minimizing risks associated with hazardous substances in electronic products.

    compliant
  • 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.

    S-PDSO-N8
  • Qualification Status

    An indicator of formal certification of qualifications.

    Not Qualified
  • Brand Name
    Analog Devices Inc
  • Temperature Grade

    Temperature grades represent a tire's resistance to heat and its ability to dissipate heat when tested under controlled laboratory test conditions.

    COMMERCIAL
  • Number of Channels
    1
  • 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.

    -57 V
  • 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.

    POWER SUPPLY SUPPORT CIRCUIT
  • Adjustable Threshold

    The "Adjustable Threshold" parameter in electronic components refers to the ability to manually set or modify the threshold level at which a specific function or operation is triggered. This feature allows users to customize the sensitivity or activation point of the component according to their specific requirements or preferences. By adjusting the threshold, users can fine-tune the performance of the component to suit different applications or environmental conditions. This flexibility in threshold adjustment can be particularly useful in various electronic devices and systems where precise control over triggering levels is necessary for optimal functionality.

    NO
  • Power - Max

    Power - Max is a parameter that specifies the maximum amount of power that an electronic component can handle without being damaged. It is typically measured in watts and indicates the upper limit of power that can be safely supplied to the component. Exceeding the maximum power rating can lead to overheating, malfunction, or permanent damage to the component. It is important to consider the power-max rating when designing circuits or systems to ensure proper operation and longevity of the electronic components.

    12.95 W
  • Current - Supply

    Current - Supply is a parameter in electronic components that refers to the maximum amount of electrical current that the component can provide to the circuit it is connected to. It is typically measured in units of amperes (A) and is crucial for determining the power handling capability of the component. Understanding the current supply rating is important for ensuring that the component can safely deliver the required current without overheating or failing. It is essential to consider this parameter when designing circuits to prevent damage to the component and ensure proper functionality of the overall system.

    3mA
  • Seated Height-Max

    Seated Height-Max in electronic components refers to the maximum height at which a component can be comfortably installed or operated when a user is seated. It is particularly relevant in designs involving ergonomic considerations, where the placement of controls, displays, or other interfaces must accommodate users in seated positions. This parameter ensures accessibility and usability, preventing strain or discomfort during operation.

    0.8 mm
  • Product Type

    a group of products which fulfill a similar need for a market segment or market as a whole.

    Power Switch ICs - POE / LAN
  • 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
  • Standards

    The parameter "Standards" in electronic components refers to established criteria or specifications that ensure interoperability, safety, and performance across various electronic devices and systems. These standards are often set by recognized organizations and describe the characteristics, dimensions, and testing methods for components. Adherence to these standards helps manufacturers produce compatible and reliable products, facilitates communication between devices, and ensures compliance with regulatory requirements. Standards play a crucial role in the consistency and quality of electronic components in the industry.

    802.3af (PoE)
  • Standard

    In the context of electronic components, the term "Standard" typically refers to a set of specifications or guidelines that define the characteristics and performance of a particular component. These standards are established by organizations such as the International Electrotechnical Commission (IEC), the Institute of Electrical and Electronics Engineers (IEEE), or the Electronic Industries Alliance (EIA).Standard parameters for electronic components may include electrical characteristics such as voltage ratings, current ratings, frequency response, impedance, and tolerance levels. They may also cover physical attributes like size, shape, material composition, and environmental operating conditions.Adhering to established standards ensures compatibility, reliability, and interoperability of electronic components across different manufacturers and applications. It helps in designing and manufacturing electronic systems that meet industry requirements and quality standards.

    802.3af
  • Auxiliary Sense

    Auxiliary Sense refers to an additional sensing capability in electronic components that allows for the measurement of parameters such as voltage or current for the purposes of improving accuracy and performance. This feature is often used in power electronics to monitor and compensate for variations in load or temperature. By utilizing auxiliary sense inputs, designs can achieve better regulation and operational stability in various applications.

    No
  • Product Category

    a particular group of related products.

    Power Switch ICs - POE / LAN
  • Length
    3 mm
  • Width
    3 mm
  • 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 Analog Devices LTC4257CDD-1#TRPBF.

LTC4257CDD-1#TRPBF Overview

Embedded in the Tape & Reel (TR) package, it is used by many applications.In this case, it is packaged in the same way as DFN-8.Powered Device - PD is the type of PoE controller that this is.It has been reported that the number of channels is growing strongly/weakly: 1.In order to ensure its reliability, PoE operates at the operating temperature of 0°C ~ 70°C.This electrical Po E controller requires a voltage supply of 57V (Max) to operate.It is estimated that this electrical ethernet over power controller has a maximum power of 12.95 W Watts.In addition, it is equipped with a 8 pin count.There is a supply current of 3mA in the system.There is a Po E controller named Switch ICs that includes this Po E controller.As you can see, it is designed with 8 pins.There is a certain temperature that this electrical ethernet power controller reaches during reflow (Cel) of 260.There is also a characteristic REQUIRES A NEGATIVE SUPPLY OF 48V associated with it.In order to ensure its reliability, it operates at a maximal operating temperature of 70 °C.As a result of its reliability, it operates at 0 °C, which is the minimum operating temperature required.

LTC4257CDD-1#TRPBF Features

Tape & Reel (TR) package
8 pin count
8 pins
The maximal operating temperature of 70 °C
The minimal operating temperature of 0 °C

LTC4257CDD-1#TRPBF Applications

There are a lot of Analog Devices
LTC4257CDD-1#TRPBF Power Over Ethernet (PoE) Controllers applications.


  • Non-Compliant, Application Specific Devices
  • Higher Power Ethernet Powered Devices
  • IP Phone Power Management
  • Wireless Access Points
  • Security Cameras
  • Power over Ethernet
  • PoE powered device appliances
  • High power (>12.95 W) powered devices
  • IEEE 802.3bt (Draft) Compliant Devices
  • Lighting