A Comprehensive Guide to LTC7810ILXE#PBF Dual Switching Controller

UTMEL

Published: 06 March 2024 | Last Updated: 06 March 2024

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LTC7810ILXE#PBF

LTC7810ILXE#PBF

Linear Technology/Analog Devices

4.5V~140V DC to DC converter IC DUAL SWITCHING CONTROLLER 2 Outputs 105kHz~780kHz Transistor Driver

Purchase Guide

4.5V~140V DC to DC converter IC DUAL SWITCHING CONTROLLER 2 Outputs 105kHz~780kHz Transistor Driver

This article provides a detailed overview of the LTC7810ILXE#PBF dual switching controller from Linear Technology/Analog Devices. It covers the features, applications, reference designs, alternative parts, and FAQs related to this product. Whether you are a professional electronic engineer or someone interested in voltage regulators, this guide will help you understand the capabilities and uses of the LTC7810ILXE#PBF.

Product Introduction

1. Description:
The LTC7810ILXE#PBF is a dual switching controller designed for step-down voltage regulation applications. It features two outputs with a positive output configuration and a wide input voltage range of 4.5V to 140V. The device operates in a buck topology with a switching frequency ranging from 105kHz to 780kHz. With integrated current limit, frequency control, and soft start features, the LTC7810ILXE#PBF offers efficient and reliable power management solutions.

2. Features:
- Dual switching controller for step-down voltage regulation
- Wide input voltage range of 4.5V to 140V
- Two outputs with positive output configuration
- Buck topology with synchronous rectifier
- Integrated current limit, frequency control, and soft start
- Switching frequency ranging from 105kHz to 780kHz
- RoHS compliant and lead-free package

3. Applications:
Primary Applications:
- Industrial power supplies
- Telecom and networking equipment
- Automotive power systems
- Renewable energy systems

Secondary Applications:
- Battery charging systems
- LED lighting applications
- Motor control systems
- Power over Ethernet (PoE) devices

Applicable Specific Modules:
- Power distribution modules
- Voltage regulation modules
- Power management modules

4. Reference Designs:
The LTC7810ILXE#PBF dual switching controller is used in various reference designs by Linear Technology/Analog Devices. Some of the notable reference designs include:
- Dual output synchronous buck converter
- High voltage step-down converter
- Multi-phase voltage regulator
- High-efficiency power supply for industrial applications

5. Alternative Parts:
While the LTC7810ILXE#PBF offers advanced features and performance, there are alternative parts available for different application requirements. Some alternative parts to consider are:
- LTC7811: Single output switching controller
- LTC7800: Dual output synchronous buck controller
- LTC3864: High voltage step-down regulator

6. FAQs:
Q: What is the maximum duty cycle supported by the LTC7810ILXE#PBF?
A: The LTC7810ILXE#PBF supports a maximum duty cycle of 100%.

Q: Can the LTC7810ILXE#PBF be used in automotive applications?
A: Yes, the LTC7810ILXE#PBF is suitable for automotive power systems with its wide input voltage range.

Q: Does the LTC7810ILXE#PBF require external components for current limit and soft start functions?
A: No, the LTC7810ILXE#PBF integrates current limit and soft start features for simplified design implementation.

In conclusion, the LTC7810ILXE#PBF dual switching controller offers a versatile solution for various voltage regulation applications. With its advanced features, wide input voltage range, and efficient performance, this product is a reliable choice for power management designs in industrial, automotive, and renewable energy sectors. Whether you are designing a power supply or upgrading an existing system, the LTC7810ILXE#PBF provides the flexibility and performance needed for your application requirements.

Specifications

Linear Technology/Analog Devices LTC7810ILXE#PBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology/Analog Devices LTC7810ILXE#PBF.
  • Type
    Parameter
  • Factory Lead Time
    10 Weeks
  • 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.

    48-LQFP Exposed Pad
  • 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~125°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.

    Tray
  • 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

    3 (168 Hours)
  • 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
  • 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.

    Step-Down
  • Number of Outputs
    2
  • 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.

    Transistor Driver
  • 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.

    DUAL SWITCHING CONTROLLER
  • Output Configuration

    Output Configuration in electronic components refers to the arrangement or setup of the output pins or terminals of a device. It defines how the output signals are structured and how they interact with external circuits or devices. The output configuration can determine the functionality and compatibility of the component in a circuit design. Common types of output configurations include single-ended, differential, open-drain, and push-pull configurations, each serving different purposes and applications in electronic systems. Understanding the output configuration of a component is crucial for proper integration and operation within a circuit.

    Positive
  • Voltage - Supply (Vcc/Vdd)

    Voltage - Supply (Vcc/Vdd) is a key parameter in electronic components that specifies the voltage level required for the proper operation of the device. It represents the power supply voltage that needs to be provided to the component for it to function correctly. This parameter is crucial as supplying the component with the correct voltage ensures that it operates within its specified limits and performance characteristics. It is typically expressed in volts (V) and is an essential consideration when designing and using electronic circuits to prevent damage and ensure reliable operation.

    4.5V~140V
  • Control Features

    Control features in electronic components refer to specific functionalities or characteristics that allow users to manage and regulate the operation of the component. These features are designed to provide users with control over various aspects of the component's performance, such as adjusting settings, monitoring parameters, or enabling specific modes of operation. Control features can include options for input/output configurations, power management, communication protocols, and other settings that help users customize and optimize the component's behavior according to their requirements. Overall, control features play a crucial role in enhancing the flexibility, usability, and performance of electronic components in various applications.

    Current Limit, Frequency Control, Soft Start
  • 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
  • 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.

    105kHz~780kHz
  • Synchronous Rectifier

    Synchronous rectification is a technique for improving the efficiency of rectification by replacing diodes with actively controlled switches, usually power MOSFETs or power bipolar junction transistors (BJT).

    Yes
  • Duty Cycle (Max)

    The "Duty Cycle (Max)" parameter in electronic components refers to the maximum percentage of time that a signal is active or on within a specific period. It is commonly used in components such as pulse-width modulation (PWM) controllers, oscillators, and timers. A duty cycle of 100% means the signal is always on, while a duty cycle of 0% means the signal is always off. Understanding the maximum duty cycle is important for ensuring proper operation and performance of the electronic component within its specified limits. It is typically expressed as a percentage and helps determine the amount of power or energy being delivered by the signal.

    100%
  • RoHS Status

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

    RoHS Compliant
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LTC7810ILXE#PBF

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